CN106375649B - Image Acquisition control method and device, image capture device - Google Patents
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Abstract
This application discloses a kind of Image Acquisition control method and devices, image capture device, one of which is the described method includes: determine that the partial pixel unit in at least localized imaging region of digital image sensor is the first pixel unit set, other at least partly pixel units are the second pixel unit set, wherein, any first pixel unit in the first pixel unit set is associated with at least one second pixel unit in the second pixel unit set；The digital image sensor is controlled by the acquisition information of first pixel unit, passes through first pixel unit and at least one second pixel unit united recording associated with it；The acquisition information of first pixel unit is determined according to the result of united recording.The application improves the dynamic range that single pixel unit allows to acquire.
Description
Technical field
This application involves field of terminal technology, more particularly to a kind of Image Acquisition control method and device, Image Acquisition
Equipment.
Background technique
Such as the resolution ratio of the image capture devices such as digital camera institute acquired image, it is limited to single object in sensitive chip
Manage the size of pixel and the optical resolution of optical imaging system.For sensitive chip, current design mainstream is small
Type and high pixelation；For optical imaging system, when object point is through optical system imaging, due to aberration, imaging beam
The circular projection of a diffusion, referred to as blur circle (Circle of Confusion) are usually formed on as plane, blur circle
Size and lens opening (such as aperture size), light source departure degree (such as object distance), focusing state (such as focus, state out of focus)
Factor is related, can measure optical resolution with the size of blur circle to a certain extent.With single physical pixel in sensitive chip
Size it is smaller and smaller, the limitation of the optical resolution of optical imaging system may influence image imaging effect in some scenarios
Further promotion.
Summary of the invention
The brief overview about the application is given below, in order to provide the basic of some aspects about the application
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction about the application.It is not intended to determine the pass of the application
Key or pith, nor intended limitation scope of the present application.Its purpose only provides certain concepts in simplified form,
Taking this as a prelude to a more detailed description discussed later.
The embodiment of the present application provides a kind of Image Acquisition control method and device, image capture device.
In a first aspect, the embodiment of the present application provides a kind of Image Acquisition control method, comprising:
Determine that the partial pixel unit in at least localized imaging region of digital image sensor is the first pixel unit collection
It closes, other at least partly pixel units are the second pixel unit set, wherein any the in the first pixel unit set
One pixel unit is associated with at least one second pixel unit in the second pixel unit set；
The digital image sensor is controlled by the acquisition information of first pixel unit, passes through the first pixel list
At least one second pixel unit united recording first and associated with it；
The acquisition information of first pixel unit is determined according to the result of united recording.
It is optionally, described to pass through described first in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Pixel unit and at least one second pixel unit united recording associated with it include: the meter by first pixel unit
The counter united recording of number device and at least one second pixel unit associated with it.
It is optionally, described to pass through described first in conjunction with any Image Acquisition control method provided by the embodiments of the present application
The counter united recording of the counter of pixel unit and at least one second pixel unit associated with it includes: by described
The counter of first pixel unit carries out counting record and by the triggering of the spill over of the counter of first pixel unit
The counter of second pixel unit associated with it carries out counting record.
Optionally the digital picture is controlled in conjunction with any Image Acquisition control method provided by the embodiments of the present application
The acquisition information of first pixel unit is passed through first pixel unit and associated with it at least 1 by sensor
Before two pixel unit united recordings, the method also includes: determine that at least localized imaging region is in pixel redundancy and adopts
Integrated mode.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally it is determined that described at least local
Imaging region is in pixel redundancy acquisition mode, comprising: obtains disperse in at least localized imaging region acquired image
Round size；The ratio of the size of size and the pixel unit in response to the blur circle is more than a permissible range, is determined
At least localized imaging region is in pixel redundancy acquisition mode.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally, first pixel unit
It is adjacent with the associated with it at least 1 second pixel unit difference.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally it is determined that described at least local
Imaging region is in pixel redundancy acquisition mode, comprising: obtains the number of the image capture device of the digital image sensor
Zoom ratio；It is greater than or equal to a given threshold in response to the Digital Zoom multiplying power, determines at least localized imaging region
In pixel redundancy acquisition mode.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally, the determining digital picture
At least partly pixel unit in at least localized imaging region of sensor is the first pixel unit set, at least partly pixel list
Member is the second pixel unit set, comprising: determining corresponding with the Digital Zoom multiplying power in the digital image sensor has
Imitate the partial pixel unit in imaging region be the first pixel unit set, except effective imaging region other at
As at least partly pixel unit in region is the second pixel unit set.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally it is determined that described at least local
Imaging region is in pixel redundancy acquisition mode, comprising: it is out of focus to correspond to target object in response at least localized imaging region
The acquisition of parts of images determines that at least localized imaging region is in pixel redundancy acquisition mode.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally, first pixel unit
It is adjacent with the associated with it at least 1 second pixel unit difference.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally, the method also includes: really
The fixed at least localized imaging region is in pixel normal acquisition mode；The digital image sensor is controlled by each pixel unit
Inductive signal corresponding to collected optical signal respectively, is recorded respectively by each pixel unit；According to the note of each pixel unit
Record determines the acquisition information of each pixel unit respectively.
Second aspect, the embodiment of the present application also provides a kind of Image Acquisition control devices, comprising:
One pixel determining module, the partial pixel list at least localized imaging region for determining digital image sensor
Member is the first pixel unit set, other at least partly pixel units are the second pixel unit set, wherein first pixel
Any first pixel unit in unit set is associated with at least one second pixel unit in the second pixel unit set；
One first record control module, for controlling the digital image sensor for the acquisition of first pixel unit
Information passes through first pixel unit and at least one second pixel unit united recording associated with it；
One first acquisition information determination module, determines adopting for first pixel unit for the result according to united recording
Collect information.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the first record control
Module includes: a tally control submodule, for controlling the digital image sensor for the acquisition of first pixel unit
Information is combined by the counter of first pixel unit and the counter of at least one second pixel unit associated with it
Record.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the tally control submodule
Block includes: a counting control unit, for controlling the digital image sensor for the acquisition information of first pixel unit,
The spilling of counting record and the counter by first pixel unit is carried out by the counter of first pixel unit
The counter that signal triggers second pixel unit associated with it carries out counting record.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Pixel redundancy acquisition mode determining module, for determining that at least localized imaging region is in pixel redundancy acquisition mode, and
The pixel determining module and/or the first record control module are enabled according to definitive result.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the pixel redundancy acquisition
Mode decision module includes: a blur circle acquisition of information submodule, collected for obtaining at least localized imaging region
The size of blur circle in image；One first pixel redundancy acquisition mode determines submodule, in response to the big of the blur circle
The ratio of the size of the small and described pixel unit is more than a permissible range, and it is superfluous to determine that at least localized imaging region is in pixel
Remaining acquisition mode.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, first pixel unit
It is adjacent with the associated with it at least 1 second pixel unit difference.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the pixel redundancy acquisition
Mode decision module includes: that a Digital Zoom multiplying power obtains module, for obtaining the Image Acquisition of the digital image sensor
The Digital Zoom multiplying power of equipment；One second pixel redundancy acquisition mode determines submodule, in response to the Digital Zoom times
Rate is greater than or equal to a given threshold, determines that at least localized imaging region is in pixel redundancy acquisition mode.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the pixel determining module
Include: that a pixel determines submodule, corresponding with the Digital Zoom multiplying power in the digital image sensor has for determining
Imitate the partial pixel unit in imaging region be the first pixel unit set, except effective imaging region other at
As at least partly pixel unit in region is the second pixel unit set.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the pixel redundancy acquisition
Mode decision module includes: that a third pixel redundancy acquisition mode determines submodule, in response at least local tomography
Region corresponds to the acquisition of target object parts of images out of focus, determines that at least localized imaging region is in pixel redundancy acquisition mould
Formula.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, first pixel unit
It is adjacent with the associated with it at least 1 second pixel unit difference.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Pixel normal acquisition mode decision module, for determining that at least localized imaging region is in pixel normal acquisition mode；One
Second record control module is right by the collected optical signal institute of each pixel unit difference for controlling the digital image sensor
The inductive signal answered is recorded respectively by each pixel unit；One second acquisition information determination module, for according to each pixel unit
Record determine the acquisition information of each pixel unit respectively.
The third aspect, the embodiment of the present application also provides a kind of image capture devices, comprising:
One digital image sensor, a processor, a communication interface, a memory and a communication bus；The processing
Device, the communication interface, the memory and the digital image sensor are completed each other by the communication bus
Communication；
The memory is for storing at least one instruction；Described instruction makes the processor execute following operation:
Determine that the partial pixel unit in at least localized imaging region of the digital image sensor is the first pixel list
Member set, other at least partly pixel units are the second pixel unit set, wherein appointing in the first pixel unit set
One first pixel unit is associated with at least one second pixel unit in the second pixel unit set；
The digital image sensor is controlled by the acquisition information of first pixel unit, passes through the first pixel list
At least one second pixel unit united recording first and associated with it；
The acquisition information of first pixel unit is determined according to the result of united recording.
Technical solution provided by the embodiments of the present application, for a certain first pixel unit and it is associated with it at least one
In the combination of pixels of two pixel units composition, the acquisition information of the first pixel unit, which not only passes through, itself to be recorded, and is also passed through
Second pixel unit associated with it is recorded, in this way, being will be more in combination of pixels in the recording mode of acquisition information
A pixel unit records the acquisition information of a certain pixel unit jointly, and which thereby enhancing single pixel unit allows the dynamic of acquisition
State range.
By the detailed description below in conjunction with attached drawing to the alternative embodiment of the application, the these and other of the application
Advantage will be apparent from.
Detailed description of the invention
The application can be by reference to being better understood, wherein in institute below in association with description given by attached drawing
Have and has used the same or similar appended drawing reference in attached drawing to indicate same or similar component.The attached drawing is together with following
It is described in detail together comprising in the present specification and forming a part of this specification, and is used to that this is further illustrated
The alternative embodiment of application and the principle and advantage for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of flow chart of Image Acquisition control method provided by the embodiments of the present application；
Fig. 2 a is a kind of structural schematic diagram of optional pixel unit provided by the embodiments of the present application；
Fig. 2 b is the structural schematic diagram of another optional pixel unit provided by the embodiments of the present application；
Fig. 3 is a kind of optional associated circuit logic structure chart of pixel unit provided by the embodiments of the present application；
Fig. 4 is a kind of pixel unit classification example provided by the embodiments of the present application；
Fig. 5 is that pixel unit provided by the embodiments of the present application is associated with example；
Fig. 6 is another pixel unit classification example provided by the embodiments of the present application；
Fig. 7 is a kind of logic diagram of Image Acquisition control device provided by the embodiments of the present application；
Fig. 8 is the logic diagram of another Image Acquisition control device provided by the embodiments of the present application；
Fig. 9 is the logic diagram of image capture device provided by the embodiments of the present application.
It will be appreciated by those skilled in the art that element in attached drawing is just for the sake of showing for the sake of simple and clear,
And be not necessarily drawn to scale.For example, the size of certain elements may be exaggerated relative to other elements in attached drawing, with
Just the understanding to the embodiment of the present application is helped to improve.
Specific embodiment
It is described in detail hereinafter in connection with exemplary embodiment of the attached drawing to the application.It rises for clarity and conciseness
See, does not describe all features of actual implementation mode in the description.It should be understood, however, that developing any this reality
Much decisions specific to embodiment must be made during embodiment, to realize the objectives of developer, example
Such as, meet restrictive condition those of related to system and business, and these restrictive conditions may be with embodiment not
It changes together.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from
For those skilled in the art of present disclosure, this development is only routine task.
Here, also it should be noted is that, in order to avoid having obscured the application because of unnecessary details, in attached drawing and
It is merely depicted in explanation with according to the closely related apparatus structure of the scheme of the application and/or processing step, and is omitted pair
With the application relationship is little, expression and description of component known to persons of ordinary skill in the art and processing.
(identical label indicates identical element in several attached drawings) and embodiment with reference to the accompanying drawing, to the tool of the application
Body embodiment is described in further detail.Following embodiment is not limited to scope of the present application for illustrating the application.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application be only used for distinguishing it is asynchronous
Suddenly, equipment or module etc., neither represent any particular technology meaning, also do not indicate the inevitable logical order between them.
Fig. 1 is a kind of flow chart of Image Acquisition control method provided by the embodiments of the present application.The embodiment of the present application provides
The executing subject of Image Acquisition control method can be a certain Image Acquisition control device, described image acquisition control device passes through
It executes described image collection control method and carries out Image Acquisition control.The equipment form of expression of described image acquisition control device is not
It is restricted.For example, described image acquisition control device can (the independent component can be but be not limited to for a certain independent component
One data processing mould group or control circuit), which carries out image by the pixel unit in control digital image sensor and adopts
Collection.Alternatively, in another example, described image acquisition control device can be used as a certain mould group or control circuit is integrated in including the number
A part of the image capture device of imaging sensor, to realize that the Image Acquisition to the digital image sensor controls, etc.
Deng.Described image acquisition control device is by exporting the modes such as control signal to digital image sensor, to digital image sensing
Device carries out such as signal transfer, and/or signal output control.Specifically as shown in Figure 1, Image Acquisition provided by the embodiments of the present application
Control method includes:
S101: determine that the partial pixel unit in at least localized imaging region of digital image sensor is the first pixel list
Member set, other at least partly pixel units are the second pixel unit set, wherein appointing in the first pixel unit set
One first pixel unit is associated with at least one second pixel unit in the second pixel unit set.
S102: the digital image sensor is controlled by the acquisition information of first pixel unit, passes through described first
Pixel unit and at least one second pixel unit united recording associated with it.
S103: the acquisition information of first pixel unit is determined according to the result of united recording.
Digital image sensor includes pixel unit array, and the pixel unit array includes multiple pixels of array distribution
Unit.It is different from and realizes traditional imaging sensor of signal transmission in analog domain, photosignal in digital image sensor
Multiplexing is realized in numeric field, is advantageously implemented the Lossless transport of signal, is improved the channel isolation of digital image sensor
And therefore anti-interference ability etc. in recent years, causes that insider's is wide to the research of the digital image sensor and its application
General concern.
Device with simulation numeral (Analog to Digital, abbreviation AD) conversion function is digital image sensor
Important component, being used for will be after the collected optical signal of pixel unit institute be converted into electric signal in digital image sensor
It is transmitted.Optionally digital image sensor is Pixel-level digital image sensor to one kind, i.e., each pixel unit has mould
Quasi- number (Analog to Digital, abbreviation AD) transition count function, in this way, the collected signal of each pixel unit is
It can realize and transmit in numeric field, for example, the alternative construction of each pixel unit is as shown in Figure 2 a, comprising: photoelectric detector 23, control
Device 24, counter 25 and register 26 processed；Photoelectric detector 23 includes: for acquiring optical signal and being converted into analog electrical signal
Photodiode (Photo-Diode) 21 and the amplifier 22 that the analog electrical signal of photodiode is amplified；Control
Device 24 includes integrating circuit 241 and comparator 242, is matched by integrating circuit 241, comparator 242, counter 25 and register 26
It closes, converts analog signals into digital signal and transmitted.One optional AD conversion counting process is for example: when including number
Imaging sensor image capture device exposure after the completion of, photodiode 21 by collected optical signal be converted into electric signal,
The input terminal "-" of electric signal input comparator 242 after the amplification of amplifier 22, output end and the comparator 242 of integrating circuit
Input terminal "+" connects, and the capacitor of integrating circuit 241 starts to charge in controller 24, and 25 control counter 25 of controller resets, meter
Number devices 25 start to certain count clock (such as described counting clock can be but be not limited to clock pulses or and photoelectric detector
The corresponding pulse of acquisition information etc.) pulse along being counted；When the voltage of the input terminal "+" of comparator 242 is defeated higher than its
When entering to hold the voltage of "-", the capacitor electric discharge of integrating circuit 241, control in the output end signal trigger controller 25 of comparator 242
Device 25 controls the count value of 26 read-out counter 25 of register and control counter 25 resets.
In another example the alternative construction of each pixel unit is as shown in Figure 2 b, comprising: photoelectric detector 23,24 and of controller
Counter 25；Photoelectric detector 23 include: for acquire optical signal and be converted into analog electrical signal photodiode 21 and
The amplifier 22 that the analog electrical signal of photodiode is amplified；Controller 24 includes the mould for exporting amplifier 22
Quasi- pulse frequency modulator 243 and logic control element 244 of the modulates information at corresponding pulse signal, logic control element
The arteries and veins for the pulse that 244 control pulse frequency modulator 243 movements and control counter 25 export pulse frequency modulator 243
The operations such as punching edge is counted, resetted, counting mode is arranged, data are read.
It is appreciated that the structure of the above pixel unit is only washability example, should not be construed as to the embodiment of the present application skill
The limitation of art essence.
The embodiment of the present application can determine that the partial pixel unit in the whole imaging region of the digital image sensor is
First pixel unit set, at least partly pixel unit is the second pixel unit set for other, alternatively, the embodiment of the present application can be true
Partial pixel unit in the whole imaging region of the fixed digital image sensor be the first pixel unit set, other at least
Partial pixel unit is the second pixel unit set.Any first pixel unit in the first pixel unit set with it is described
The association of the second pixel unit of one or more of second pixel unit set, is equivalent to, the first pixel unit and is associated with
At least one second pixel unit form a combination of pixels.
In traditional digital image sensor, each collected photosignal of pixel unit is remembered by each pixel unit itself
Record.It is different from traditional digital image sensor, technical solution provided by the embodiments of the present application, for a certain first pixel unit
In the combination of pixels of at least one second pixel unit associated with it composition, the acquisition information of the first pixel unit is not only led to
It crosses itself to be recorded, also be recorded by the second pixel unit associated with it, in this way, in the recording mode of acquisition information
On, it is that multiple pixel units in combination of pixels are recorded into the acquisition information of a certain pixel unit jointly, which thereby enhances list
A pixel unit allows the dynamic range acquired.
In actual use, counter overflow can make counter resets and start counting again or counter overflow
Can make the counter maintain count peak and no longer count, under the situation, if counter overflow and fail to pass through deposit
The count value of the timely read-out counter of device, then the photoelectric information of the count value of counter and respective pixel unit actual acquisition is not
Symbol, leads to misregistration.In conjunction in any technical solution provided by the embodiments of the present application, in any pixel combination first
The acquisition information of pixel unit passes through the counter and at least one second pixel list associated with it of first pixel unit
The counter united recording of member, that is to say, that the counter of each pixel unit in the combination of pixels is joined together, common to record
The acquisition information of first pixel unit.Since the counter of multiple pixel units joins together to record the capacity of information, it is greater than single
The capacity of a counter is equivalent to the upper limit at least improving the first pixel unit permission count information amount, that is to say, that allow
The maximum brightness value of first pixel unit of record improves, and thus can get the bigger dynamic range of the first pixel unit, drop
The low probability for occurring to lead to misregistration because of counter overflow.
The mode that the counter of multiple pixel units is used in combination is very flexible, and the embodiment of the present application is not intended to limit this.
Optionally, the counter of multiple pixel units can be cascaded up and is counted；Alternatively, can be by the counter of multiple pixel units
It cascades up and appropriate adjustment is carried out to the counting mode of at least one pixel unit, to obtain bigger dynamic range, such as:
Counting record and overflowing by the counter of first pixel unit can be carried out by the counter of first pixel unit
The counter that signal triggers second pixel unit associated with it out carries out counting record.
In a kind of optional digital image sensor, each pixel unit includes counter, connects with the count section of counter
The photoelectric detector connect and the controller being connect with the control unit of counter, it may be determined that the digital image sensor is at least
Partial pixel unit in regional area be the first pixel unit set, in at least regional area other at least partly as
Plain unit be the second pixel unit set, the first pixel unit of each of first pixel set respectively with the second pixel unit collection
At least one of conjunction the second pixel unit association, the interrelational form such as counter of the first pixel unit and controller are also distinguished
It is connected with the counter at least one second pixel unit being associated, in this way, by the controller of the first pixel unit to the
The counter of the counter of one pixel unit and the second pixel unit is planned as a whole the control such as to be counted, resetted, and is equivalent to and passes through
The cascade dilatation of counter provides dynamic range obtained by the first pixel unit.
Optionally, the meter of the counter of the spilling portion of the counter of first pixel unit and second pixel unit
Several connections, and the control unit of the counter of second pixel unit is connect with the controller of first pixel unit.Tool
Body, signal can be controlled to the control unit hair of the counter of the second pixel unit by the controller of the first pixel unit, with control
The operations such as the counter for making the second pixel unit resetted, counting mode control, wherein the counting mode of the first pixel unit
Traditional mode can be used to count (as the pulse by known pulse is counted along triggering), and the counting of the second pixel unit
The counting mode of device is different from traditional counting mode, it is the spill over according to the spilling portion of the counter of the first pixel unit
It is counted, for example, the spilling portion of the counter of the first pixel unit occurs to trigger the second pixel unit when signal condition variation
Counter count, and reset after the counter overflow of the first pixel unit and start counting again, up to the first pixel list
The counter of member overflows again, and the counter which triggers the second pixel unit counts；Repeatedly until having counted
At.Other counter (such as certain second pictures are cascaded except through the spilling portion of certain counter (such as counter of the first pixel unit)
The counter of plain unit) except, it can also be joined by other ministerial levels of the counter, it, can be by the meter such as N-bit counter
Number device N (being equivalent to overflow position), N-1, N-2 ... cascade other counters, specific implementation is very
Flexibly, details are not described herein for the embodiment of the present application.And the cascade between different counters is carried out by spilling portion, then it can get more
Big dilatation, and control relatively simple convenience.Is accurately triggered for the ease of the spill over of the counter of the first pixel unit
The counting operation of the counter of two pixel units, still optionally further, the spilling portion of the counter of the first pixel unit can be at least
It negates device through one to connect with the count section of the counter of the second pixel unit, the program can the first picture of sensitive perception by negating device
The state change of the spill over of the counter of plain unit is started counting with accurately triggering the counter of the second pixel unit.
It counts after completing, can be combined according to each counter of the first pixel unit and the second pixel unit associated with it
The result of record determines the acquisition information of first pixel unit, wherein due to the difference of counter triggering mode, the first picture
The unit count value institute table of the counter of meaning represented by the unit count value of the counter of plain unit and the second pixel unit
The meaning reached is different, and the unit count value of the counter of second pixel unit indicates the one of the counter of the first pixel unit
Secondary spilling (being equivalent to maximum count value), can also determine the count value of united recording by following formula:
M=Mn·Nmax+Mn+1..............................(1)
Wherein, M indicates the count value of united recording, MnIndicate the count value that the counter of the second pixel unit is read, Nmax
Indicate the maximum count value of the counter of the first pixel unit, Mn+1Indicate the count value that the counter of the first pixel unit is read.
It is that can determine the acquisition information of the first pixel unit using the prior art, herein no longer after the count value for obtaining united recording
It repeats.Include the situation of two or two or more the second pixel units for combination of pixels, can include according to the combination of pixels
The cascade concrete mode of the counter of each pixel unit (can also pass through one of them the second picture between such as two the second pixel units
The overflow position of the counter of plain unit connects the meter digital of counter, etc. of another second pixel unit) determine each pixel list
Meaning represented by the unit count value of the counter of member, and then the count value of each counter is combined to determine in the combination of pixels the
The acquisition information of one pixel unit.
In conjunction with any technical solution provided by the embodiments of the present application, optionally, controlling the digital image sensor will
The acquisition information of first pixel unit passes through first pixel unit and at least one second pixel list associated with it
Before first united recording, the method also includes: determine that at least localized imaging region is in pixel redundancy acquisition mode.Institute
It is different from traditional pixel normal acquisition mode to state pixel redundancy acquisition mode, under the pixel redundancy acquisition mode, and
Not all pixel unit all records the information of itself acquisition, but is associated with to carry out united recording, thus with other pixel units
Improve the dynamic range that partial pixel unit allows to obtain in image acquisition process.
Further, Image Acquisition control method provided by the embodiments of the present application may also include that determining described at least local
Imaging region is in pixel normal acquisition mode；It controls the digital image sensor and each pixel unit is distinguished into collected light
Inductive signal corresponding to signal is recorded respectively by each pixel unit；Each picture is determined respectively according to the record of each pixel unit
The acquisition information of plain unit.Determine that at least localized imaging region is in after pixel normal acquisition mode, at least office
Each pixel unit carries out Image Acquisition using existing way in portion's imaging region, and such as the counter of each pixel unit is to respective
Acquisition information count etc., count after completing, according to the respective record result (such as count results) of each pixel unit
The acquisition information of each pixel unit is determined respectively.The program is controlled by the selection of image acquisition modality, compatible digital picture
The conventional images acquisition mode of sensor, improves the universality of scheme, more preferably meets diversified practical application request.
Optionally, the circuit logic diagram connected between associated pixel unit is as shown in figure 3, the second pixel unit B is also wrapped
It includes: one first multiple selector 271 and one second multiple selector 272；The input unit of first multiple selector 271 is distinguished
The spilling portion for connecting the counter 251 of the first pixel unit A (is such as selected the highest order of counter 251 N with the first multichannel
Select the input unit connection of device 271) and the second pixel unit B counting pulse triggering source, (if necessary to the second pixel
The photoelectric detector of unit B information collected individually counts, based on which is carried out by the counting pulse triggering source
Number), the output section of first multiple selector 271 connects the count section of the counter 252 of the second pixel unit B, institute
The control unit for stating the first multiple selector 271 is connect with an acquisition mode selector 28 respectively；Second multiple selector 272
Input unit be separately connected the controller 241 of the first pixel unit A and the controller 242 of the second pixel unit B, institute
The selector for stating the second multiple selector 272 is connect with the acquisition mode selector 28, second multiple selector 272
Output section is connect with the control unit of the counter 252 of the second pixel unit B.It can be defeated according to the acquisition mode selector 28
Acquisition mode selection control signal out, selecting the second pixel unit B is for pixel normal acquisition mode or pixel redundancy
Acquisition mode, more preferably to meet diversified practical application request.
Still optionally further, the spilling portion of the counter 251 of the first pixel unit A negates device 29 and described the through one
The input unit of one multiple selector 271 connects, so that the signal condition variation of the spilling portion of sensitive perception counter 251 triggers
The counting of counter 252.
Optionally, it is carried out in image acquisition process based on digital image sensor, Image Acquisition control device can pass through
Acquisition mode selector exports acquisition mode selection control signal, controls the first multiple selector 271 and the second multiple selector
272 selections access corresponding with acquisition mode selection control signal.
If it is pixel normal acquisition mode that acquisition mode selector output acquisition mode, which selects control signal, more than second
Road selector 272 is connected to B input channel (being connected to the output end of the controller 242 of the second pixel unit B), the first multi-path choice
Device 271 is connected to B input channel (being connected to the counting pulse triggering source of the second pixel unit B).Under the situation, the second pixel unit
The controls such as the counter 252 that the controller 242 of B controls the second pixel unit B resetted, counting mode, the second pixel unit B
Counter 252 the acquisition information of second pixel unit B is counted, count complete after, controller 242 control the second picture
The register 262 of plain unit B reads the count value of counter 252, and the acquisition of the second pixel unit B is determined according to the count value
Information；The acquisition mode of first pixel unit A is same, it may be assumed that the controller 241 of the first pixel unit A controls the first pixel
The controls such as the counter 251 of unit A resetted, counting mode, the counter 251 of the second pixel unit B is to the first pixel list
The acquisition information of first A is counted, and is counted after completing, and the register 261 that controller 241 controls the first pixel unit A is read
The count value of counter 251, and determine according to the count value acquisition information of the first pixel unit A；Etc..As it can be seen that in pixel
Under normal acquisition mode, each pixel unit acquires respectively and respectively records the acquisition information of itself.
If it is pixel redundancy acquisition mode that acquisition mode selector output acquisition mode, which selects control signal, more than second
Road selector 272 is connected to A input channel (being connected to the output end of the controller 241 of the first pixel unit A), the first multi-path choice
Device 271 is connected to A input channel (being connected to the spilling portion of the counter 251 of the first pixel unit A).The situation is equivalent to the first picture
The control of 241 the second pixel unit of adapter tube B of controller of plain unit A controls second by the controller 241 of the first pixel unit A
The counter 252 of pixel unit B resetted, counting mode etc., in addition, the counting side of the counter 252 of the second pixel unit B
Formula is also changed, and is to carry out counting touching by the signal condition variation of the spilling portion of the counter 251 of the first pixel unit A
Hair, therefore, the acquisition letter of the no longer corresponding second pixel unit B of the count value of the counter 252 of the second pixel unit B under the situation
Breath, but the part of corresponding first pixel unit A acquires information, and the unit meter of the counter 252 of the second pixel unit B
What numerical value indicated is the primary spilling of the counter 251 of the first pixel unit A, for example, optionally, the meter of the first pixel unit A
The spilling portion of number device 251 negates device 29 through one and connect with the input unit of the first multiple selector 271, when the spilling of counter 251, meter
The number reset of device 251 counts again, and the signal condition of the highest order (N) of counter 251 changes (assuming that being become from " 1 "
" 0 "), the signal condition after variation, which is transmitted to, to be negated device 29 and is negated (assuming that becoming " 1 " from " 0 "), at this point, the second picture of triggering
The counter 252 of plain unit B counts and (adds 1 operation as executed)；Likewise, counter 251 can trigger meter after counting spilling again
Number device 252 counts (such as executing again adds 1 to operate), etc. again.It counts after completing, according to the counting of the first pixel unit A
The count value of the counter 252 of the count value of device 251 and the second pixel unit B determines the acquisition letter of the first pixel unit A jointly
Breath.As it can be seen that under pixel redundancy acquisition mode, the acquisition information of multiple pixel unit united recording single pixel units, quite
It is able to dilatation in the actually available capacity of the counter of corresponding single pixel unit, which thereby enhancing single pixel unit allows to adopt
The dynamic range of collection.
In actual application, at least office in digital image sensor can be determined according to the actual demand of Image Acquisition
Whether portion's imaging region is in pixel redundancy acquisition mode.Optional scene is illustrated below.
(1) in the Image Acquisition application of certain scenes, the physical picture element point of the digital image sensor of image capture device
Resolution can exceed that the optical resolution of its camera lens, thus may cause the redundancy of pixel unit, and the embodiment of the present application provides
Technical solution can obtain the size of blur circle in at least localized imaging region acquired image of digital image sensor；Meter
Calculate the ratio of the size of blur circle and the size of pixel unit, size and the pixel unit in response to the blur circle it is big
Small ratio is more than a permissible range, determines that at least localized imaging region is in pixel redundancy acquisition mode；Described in determination
At least localized imaging region is in after pixel redundancy acquisition mode, using the part picture in at least partly imaging region
Plain unit allows the dynamic range of shooting to extend other parts pixel unit.If the size of the blur circle and the pixel
The ratio of the size of unit falls into the permissible range, then can determine that at least localized imaging region is in pixel normal acquisition
Mode.Determine that at least localized imaging region is in after pixel normal acquisition mode, in at least localized imaging region
Each pixel unit using existing way carry out Image Acquisition, such as each pixel unit counter to respective acquisition information into
Row counting etc..The program is controlled by the selection of image acquisition modality, and the conventional images of compatible digital image sensor are adopted
Mode set, improves the universality of scheme, more preferably meets diversified practical application request.
For example, optical diffraction formed Airy disk be object point formed have a certain size blur circle picture the form of expression it
One, it might as well be illustrated by taking Airy disk as an example, due to the fluctuation of light, when carrying out Image Acquisition, even if through perfect optics
In the case where system and exact focus, imaging of the light of each object point of target object on digital image sensor is also to have one
Determine the hot spot of size, i.e. Airy disk；For visible light (might as well be by 530 nanometers of wavelength calculating of green light), when using aperture F/22
When carrying out Image Acquisition, generated Airy disk diameter is about 29.3 microns；If physical picture element on digital image sensor
Size (i.e. the size of single pixel unit) be 6.3 microns, then under the situation, optical resolution become imaging effect bottle
Neck carries out Image Acquisition imaging effect obtained using the digital image sensor of high pixel resolution, with the slightly lower picture of use
The digital image sensor of plain resolution ratio carries out Image Acquisition imaging effect obtained and differs unobvious, accordingly, it can be determined that number
The entirety or localized imaging region of word imaging sensor are in pixel redundancy acquisition mode.The program calculate Airy disk size and
The ratio is compared by the ratio of the size of pixel unit with scheduled permissible range, if the ratio falls into and described allows
Range can not then start pixel redundancy acquisition mode (can start pixel normal acquisition mode), whereas if the ratio exceeds institute
Permissible range is stated, then can start pixel redundancy acquisition mode；Wherein, the permissible range can such as may be used determine according to actual needs
Range of the ratio less than or equal to 2 for determining the radius of Airy disk and the side length of pixel unit, is the permissible range.The program
Can small aperture etc. there may be optical diffraction limitation etc. under the conditions ofs carry out Image Acquisition when start pixel redundancy acquisition mode, with
Single pixel unit is improved by the acquisition information of multiple pixel unit united recording single pixel units allows the dynamic of shooting
State range.
If it is determined that the image acquisition modality of at least localized imaging region of digital image sensor is the acquisition of pixel redundancy
Mode, can the part imaging unit determine according to actual needs in at least localized imaging region be the first pixel unit collection
It closes, other at least partly pixel units are the second pixel unit set, any first picture in the first pixel unit set
Plain unit is associated with at least one second pixel unit in the second pixel unit set, optionally, first pixel unit and
At least 1 second pixel unit difference associated with it is adjacent, in order to establish association, example between different pixels unit
Such as: in a kind of optional implementation, as shown in Figure 4, it may be determined that the whole imaging region of digital image sensor is to need to adopt
With the imaging region of pixel redundancy acquisition mode, adjacent pixel unit is associated with two-by-two, in a pair of associated pixel unit, one
Pixel unit is the first pixel unit (with white square subrepresentation in figure) for being normally carried out Image Acquisition, and another pixel unit is second
Pixel unit (in figure use black square subrepresentation), the second pixel unit is without Image Acquisition, but together with the first pixel unit
The acquisition information of the first pixel unit of united recording.
The example of the first pixel unit and the one-to-one interrelational form of the second pixel unit, Ke Yili are given in figure
One the first pixel unit can also be associated with, Duo Ge by solution with the foundation of multiple second pixel units according to the needs of practical application
Counter between two pixel units can also be cascaded further to obtain the dynamic range of bigger possible shooting, and cascade system can adopt
It is the modes such as flip-flop number with concatenation or spilling, repeats no more.
(2) in the Image Acquisition application of certain scenes, in image capture device using Digital Zoom mode to target object
When carrying out Image Acquisition, only local center imaging region carries out Image Acquisition, other edge imagings in digital image sensor
Region does not carry out Image Acquisition, that is to say, that for the Image Acquisition of Digital Zoom mode, digital image sensor
Localized imaging region is effective imaging region and other imaging regions are invalid imaging region, in the case where meeting certain condition, can be led to
The pixel unit crossed in invalid imaging region is associated the pixel unit in effective imaging region, comes extremely efficient imaging area
Pixel unit in domain allows the dynamic range acquired.Specifically, it is superfluous to determine that at least localized imaging region is in pixel
Remaining acquisition mode, it may include: obtain the Digital Zoom multiplying power of the image capture device of the digital image sensor；In response to institute
Digital Zoom multiplying power is stated more than or equal to a given threshold, determines that at least localized imaging region is in pixel redundancy acquisition mould
Formula.The given threshold can determine according to actual needs, optionally, and the given threshold can be 1.4 times or certain greater than 1.4 times
One Digital Zoom multiplying power, for example, as shown in figure 5, for 13 × 13 digital image sensor, when Digital Zoom multiplying power is super
When crossing 1.4 times, the quantity of the pixel unit in the invalid imaging region of digital image sensor is greater than or equal to effective imaging area
The quantity of pixel unit in domain.It can determine effective imaging area corresponding with the Digital Zoom multiplying power in digital image sensor
The partial pixel unit (indicated in figure with white area) in domain is the first pixel unit set, effective imaging region
Except other imaging regions at least partly pixel unit be the second pixel unit set (in figure use darker regions table
Show).It might as well be illustrated so that the pixel unit in Two Areas establishes association by the way of 1:1 as an example, the first pixel unit
Some first pixel unit in set is associated with some second pixel unit in the second pixel unit set, by associated two
The acquisition information of a the first pixel unit of pixel unit united recording, wherein connection can be established between associated pixel unit
Mode establish association, and for the complexity connected between pixel unit when facilitating chip as far as possible designs and reduce loss
Deng, certain scheduled strategies can be used to determine associating policy, for example, in design chips, it can be according to overall wire length
It is most short come optimize the connection of the pairing between two class pixel units (arrow in figure illustrate the first pixel unit and be associated the
The pairing relationship of two pixel units), further, it can also be carried out based on prior arts such as greedy random algorithm combination local improvements
Optimization pairing, details are not described herein.
(3) in the Image Acquisition application of certain scenes, digital image sensor and non-acquired full focal length or full depth map
Picture, that is to say, that digital image sensor corresponds to the first imaging region institute of the image of the part in target object field depth
The image clearly of acquisition, and correspond to the second of the acquisition of target object part out of focus (the usually part outside field depth) image
Imaging region acquired image is fuzzy.As shown in fig. 6, for the first imaging region (usually central area) of image clearly
Pixel normal acquisition mode can be used and carry out Image Acquisition；(center is usually removed for blurred image second imaging region
Fringe region except domain) the dynamic model that other parts pixel unit allows to acquire can be improved using part of pixel unit
It encloses, it may be assumed that in response at least localized imaging region (such as described second imaging region) corresponding target object parts of images out of focus
Acquisition, determine that at least localized imaging region be in pixel redundancy acquisition mode, can be true according to actual needs under the situation
Part imaging unit in fixed second imaging region is the first pixel unit set, at least partly pixel unit is for other
Two pixel unit set, in any first pixel unit and the second pixel unit set in the first pixel unit set
The association of at least one second pixel unit, optionally, first pixel unit and at least 1 second pixel associated with it
Unit difference is adjacent, in order to establish association between different pixels unit, such as: it, can be true in a kind of optional implementation
Pixel unit association adjacent two-by-two in fixed second imaging region, in a pair of associated pixel unit, a pixel unit
For the first pixel unit (with white square subrepresentation in figure) for being normally carried out Image Acquisition, another pixel unit is the second pixel unit
(black square subrepresentation is used in figure), the second pixel unit is without Image Acquisition, but the united recording together with the first pixel unit
The acquisition information of first pixel unit.
It will be understood by those skilled in the art that in any of the above-described method of the application specific embodiment, each step
Serial number size is not meant that the order of the execution order, and the execution sequence of each step should be determined by its function and internal logic, and
Any restriction should not be constituted to the implementation process of the application specific embodiment.
Fig. 7 is a kind of logic diagram of Image Acquisition control device provided by the embodiments of the present application.As shown in fig. 7, this Shen
Please embodiment provide Image Acquisition control device include: a pixel determining module 71, one first record control module 72 and one
First acquisition information determination module 73.
Pixel determining module 71 is used to determine the partial pixel list in at least localized imaging region of digital image sensor
Member is the first pixel unit set, other at least partly pixel units are the second pixel unit set, wherein first pixel
Any first pixel unit in unit set is associated with at least one second pixel unit in the second pixel unit set.
First record control module 72 is for controlling the digital image sensor for the acquisition of first pixel unit
Information passes through first pixel unit and at least one second pixel unit united recording associated with it.
First acquisition information determination module 73 is used to determine adopting for first pixel unit according to the result of united recording
Collect information.
Technical solution provided by the embodiments of the present application, for a certain first pixel unit and it is associated with it at least one
In the combination of pixels of two pixel units composition, the acquisition information of the first pixel unit, which not only passes through, itself to be recorded, and is also passed through
Second pixel unit associated with it is recorded, in this way, being will be more in combination of pixels in the recording mode of acquisition information
A pixel unit records the acquisition information of a certain pixel unit jointly, and which thereby enhancing single pixel unit allows the dynamic of acquisition
State range.
The equipment form of expression of described image acquisition control device is unrestricted.For example, described image acquisition control device
It can be a certain independent component (the independent component can be but be not limited to a data processing mould group or control circuit), the component
Image Acquisition is carried out by the pixel unit in control digital image sensor.Alternatively, in another example, described image acquisition control dress
It sets and can be used as a certain mould group or control circuit is integrated in a part of the image capture device including the digital image sensor,
To realize the Image Acquisition control, etc. to the digital image sensor.Described image acquisition control device is by number
The modes such as imaging sensor output control signal carry out such as signal transfer, and/or signal output control to digital image sensor
System.
Optionally, as shown in figure 8, the first record control module 72 includes: a tally control submodule 721.It counts
Control submodule 721 is for controlling the digital image sensor by the acquisition information of first pixel unit, by described
The counter united recording of the counter of first pixel unit and at least one second pixel unit associated with it.Due to multiple
The counter of pixel unit joins together to record the capacity of information, greater than the capacity of single counter, is equivalent to and at least improves
The upper limit of first pixel unit permission count information amount, that is to say, that the maximum for the first pixel unit that the program allows to record
Brightness value improves, and thus can get the bigger dynamic range of the first pixel unit, reduces and occurs to cause because of counter overflow
The probability of misregistration.
Still optionally further, the tally control submodule 721 includes: a counting control unit 7211.Tally control list
Member 7211 passes through first pixel for controlling the digital image sensor for the acquisition information of first pixel unit
The counter of unit carries out counting record and is associated with by the triggering of the spill over of the counter of first pixel unit
The counter of second pixel unit carry out counting record.The program provides the first picture by the cascade dilatation of counter
Dynamic range obtained by plain unit.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Pixel redundancy acquisition mode determining module 74, pixel redundancy acquisition mode determining module 74 is for determining at least local tomography
Region is in pixel redundancy acquisition mode, and enables the pixel determining module and/or first record according to definitive result
Control module.The pixel redundancy acquisition mode is different from traditional pixel normal acquisition mode, acquires in the pixel redundancy
Under mode, not all pixels unit all records the information of itself acquisition, but is associated with other pixel units to be joined
Record is closed, the dynamic range that partial pixel unit allows to obtain in image acquisition process is thus improved.
Still optionally further, the pixel redundancy acquisition mode determining module 74 includes: a blur circle acquisition of information submodule
Block 741 and one first pixel redundancy acquisition mode determine submodule 742.Blur circle acquisition of information submodule 741 is for obtaining institute
State the size of Airy disk at least localized imaging region acquired image；First pixel redundancy acquisition mode determines submodule
742 ratios for being used for the size of the size and pixel unit in response to the blur circle are more than a permissible range, determine institute
It states at least localized imaging region and is in pixel redundancy acquisition mode.The program can there may be optical diffraction limits in small aperture etc.
System, the part loss spatial detail such as out of focus astigmatism (abberation) under the conditions of when carrying out Image Acquisition starting pixel redundancy adopt
Integrated mode is allowed with the acquisition information by multiple pixel unit united recording single pixel units to improve single pixel unit
The dynamic range of shooting.Optionally, first pixel unit and at least 1 second pixel unit difference associated with it
It is adjacent, in order to establish association between different pixels unit.
Optionally, the pixel redundancy acquisition mode determining module 74 includes: that a Digital Zoom multiplying power obtains 743 He of module
One second pixel redundancy acquisition mode determines submodule 744.Digital Zoom multiplying power obtains module 743 for obtaining the digitized map
As the Digital Zoom multiplying power of the image capture device of sensor；Second pixel redundancy acquisition mode determines submodule 744 for ringing
Digital Zoom multiplying power described in Ying Yu is greater than or equal to a given threshold, determines that at least localized imaging region is in pixel redundancy
Acquisition mode.Under the situation, optionally, the pixel determining module 71 includes: that a pixel determines submodule 711.Pixel determines
Submodule 711 is for determining in the digital image sensor in effective imaging region corresponding with the Digital Zoom multiplying power
Partial pixel unit be the first pixel unit set, in other imaging regions except effective imaging region at least
Partial pixel unit is the second pixel unit set.The program can carry out starting when Image Acquisition in Digital Zoom
Pixel redundancy acquisition mode, to be combined by the pixel unit in invalid imaging region with the pixel unit in effective imaging region
The acquisition information for recording the pixel unit in effective imaging region, thus improving the pixel unit in effective imaging region allows to clap
The dynamic range taken the photograph.
Optionally, the pixel redundancy acquisition mode determining module 74 includes: that a third pixel redundancy acquisition mode determines
Submodule 745.Third pixel redundancy acquisition mode determines submodule 745 for corresponding in response at least localized imaging region
The acquisition of target object parts of images out of focus determines that at least localized imaging region is in pixel redundancy acquisition mode.The party
Case can improve other parts pixel list using part of pixel unit in the blurred image at least localized imaging region
Member allows the dynamic range acquired.Optionally, first pixel unit and at least 1 second pixel list associated with it
Member is adjacent respectively, in order to establish association between different pixels unit.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Pixel normal acquisition mode decision module 75, one second records control module 76 and one second acquisition information determination module 77.Picture
Plain normal acquisition mode decision module 75 is for determining that at least localized imaging region is in pixel normal acquisition mode；Second
Record control module 76 distinguishes each pixel unit corresponding to collected optical signal for controlling the digital image sensor
Inductive signal, recorded respectively by each pixel unit；Second acquisition information determination module 77 is used for according to each pixel unit
Record determines the acquisition information of each pixel unit respectively.The program is controlled by the selection of image acquisition modality, compatible number
The conventional images acquisition mode of imaging sensor, improves the universality of scheme, more preferably meets diversified practical application request.
Fig. 9 is the structural schematic diagram of image capture device provided by the embodiments of the present application, and the application specific embodiment is not
The specific implementation of image capture device 900 is limited.As shown in figure 9, image capture device 900 may include:
Processor (Processor) 910,920, memory communication interface (Communications Interface)
(Memory) 930, communication bus 940 and digital image sensor 950.Wherein:
Processor 910, communication interface 920 and memory 930 complete mutual communication by communication bus 940.
Communication interface 920, for being communicated with digital image sensor 950 Deng.
Processor 910 can specifically execute the correlation step in any of the above-described embodiment of the method for executing program 932；
Digital image sensor 950 includes pixel unit array, at least partly pixel unit in the pixel unit array
Equipped with the component (such as integrating circuit, comparator, counter) with AD conversion tally function, there is AD conversion according to being equipped with
At least partly pixel unit of tally function component can determine that multiple combination of pixels, each combination of pixels include one first pixel list
Member and at least one second pixel unit, the first pixel unit and at least one second picture associated with it in each combination of pixels
Plain unit can be used for the acquisition information of united recording first pixel unit, thus improve what first pixel unit allowed to acquire
Dynamic range.
For example, program 932 may include program code, said program code includes computer operation instruction.
Processor 910 may be a central processing unit (Central Processing Unit, abbreviation CPU), either
Specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or be arranged to
Implement one or more integrated circuits of the embodiment of the present application.
Memory 930, for storing program 932.Memory 930 may include random access memory (Random
Access Memory, abbreviation RAM), it is also possible to it further include nonvolatile memory (Non-volatile memory), such as extremely
A few magnetic disk storage.
For example, following steps can be performed by executing program 932 in processor 910 in a kind of optionally implementation: really
Determine partial pixel unit in at least localized imaging region of digital image sensor be the first pixel unit set, it is other at least
Partial pixel unit is the second pixel unit set, wherein any first pixel unit in the first pixel unit set
It is associated with at least one second pixel unit in the second pixel unit set；Controlling the digital image sensor will be described
The acquisition information of first pixel unit is joined by first pixel unit and at least one second pixel unit associated with it
Close record；The acquisition information of first pixel unit is determined according to the result of united recording.
In other optionally implementation, processor 910 can also carry out other above-mentioned any realities by executing program 932
The step of example refers to is applied, details are not described herein.
In program 932 specific implementation of each step may refer to corresponding steps in above-described embodiment, module, submodule,
Corresponding description in unit, details are not described herein.It is apparent to those skilled in the art that for the convenience of description
With it is succinct, the equipment of foregoing description and the specific work process of module can refer to corresponding processes in the foregoing method embodiment
Description, details are not described herein.
In the application the various embodiments described above, the serial number and/or sequencing of embodiment are merely convenient of description, do not represent reality
Apply the superiority and inferiority of example.It all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to it
The associated description of his embodiment.The associated description of implementation principle or process in relation to device, equipment or system embodiment, reference can be made to
The record of correlation method embodiment, details are not described herein.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation ROM), deposits at random
Various Jie that can store program code such as access to memory (Random Access Memory, abbreviation RAM), magnetic or disk
Matter.
In the embodiments such as the device of the application, method, system, it is clear that each component (system, subsystem, module, submodule
Block, unit, subelement etc.) or each step can decompose, combine and/or decompose after reconfigure.These decompose and/or again
Combination nova should be regarded as the equivalent scheme of the application.Meanwhile in the description above to the application specific embodiment, for a kind of reality
The feature that the mode of applying is described and/or shown can be made in one or more other embodiments in a manner of same or similar
With, be combined with the feature in other embodiment, or substitution other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, element, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, element, step or component.
Finally, it should be noted that embodiment of above is merely to illustrate the application, and it is not the limitation to the application, it is related
The those of ordinary skill of technical field can also make a variety of changes in the case where not departing from spirit and scope
And modification, therefore all equivalent technical solutions also belong to the scope of the application, the scope of patent protection of the application should be by right
It is required that limiting.
Claims (10)
1. a kind of Image Acquisition control method characterized by comprising
Determine partial pixel unit in at least localized imaging region of digital image sensor be the first pixel unit set, its
At least partly pixel unit is the second pixel unit set for it, wherein any first picture in the first pixel unit set
Plain unit is associated with at least one second pixel unit in the second pixel unit set；
It controls the digital image sensor and passes through first pixel unit and at least one second pixel list associated with it
Member, the acquisition information of the first pixel unit described in united recording；
The acquisition information of first pixel unit is determined according to the result of united recording.
2. by first pixel unit and being associated with the method according to claim 1, wherein described
At least one second pixel unit united recording include:
Pass through the counter of first pixel unit and the counter joint of at least one second pixel unit associated with it
Record.
3. according to the method described in claim 2, it is characterized in that, the counter by first pixel unit and
The counter united recording of at least one second pixel unit associated with it includes:
Counting record is carried out by the counter of first pixel unit and by the counter of first pixel unit
The counter that spill over triggers second pixel unit associated with it carries out counting record.
4. method according to claim 1 to 3, which is characterized in that control the digital image sensor described in
First pixel unit and at least one second pixel unit associated with it, the acquisition letter of the first pixel unit described in united recording
Before breath, the method also includes:
Determine that at least localized imaging region is in pixel redundancy acquisition mode.
5. according to the method described in claim 4, it is characterized in that, determining that at least localized imaging region is in pixel redundancy
Acquisition mode, comprising:
Obtain the size of blur circle in at least localized imaging region acquired image；
The ratio of the size of size and the pixel unit in response to the blur circle is more than a permissible range, and determination is described extremely
Few localized imaging region is in pixel redundancy acquisition mode.
6. a kind of Image Acquisition control device characterized by comprising
One pixel determining module, the partial pixel unit at least localized imaging region for determining digital image sensor are
First pixel unit set, other at least partly pixel units are the second pixel unit set, wherein first pixel unit
Any first pixel unit in set is associated with at least one second pixel unit in the second pixel unit set；
One first record control module, for control the digital image sensor by first pixel unit and and its
Associated at least one second pixel unit, the acquisition information of the first pixel unit described in united recording；
One first acquisition information determination module determines the acquisition letter of first pixel unit for the result according to united recording
Breath.
7. device according to claim 6, which is characterized in that described first, which records control module, includes:
One tally control submodule, for control the digital image sensor by the counter of first pixel unit with
And the counter of at least one second pixel unit associated with it, the acquisition information of the first pixel unit described in united recording.
8. device according to claim 7, which is characterized in that the tally control submodule includes:
One counting control unit, for controlling the digital image sensor by the counter of first pixel unit to institute
The acquisition information for stating the first pixel unit carries out the spill over of counting record and the counter by first pixel unit
The counter for triggering second pixel unit associated with it carries out counting note to the acquisition information of first pixel unit
Record.
9. according to device as claimed in claim 6 to 8, which is characterized in that described device further include:
One pixel redundancy acquisition mode determining module, for determining that at least localized imaging region is in pixel redundancy acquisition mould
Formula, and the pixel determining module and/or the first record control module are enabled according to definitive result.
10. a kind of image capture device characterized by comprising
One digital image sensor, a processor, a communication interface, a memory and a communication bus；The processor, institute
It states communication interface, the memory and the digital image sensor and completes mutual communication by the communication bus；
The memory is for storing at least one instruction；Described instruction makes the processor execute following operation:
Determine that the partial pixel unit in at least localized imaging region of the digital image sensor is the first pixel unit collection
It closes, other at least partly pixel units are the second pixel unit set, wherein any the in the first pixel unit set
One pixel unit is associated with at least one second pixel unit in the second pixel unit set；
It controls the digital image sensor and passes through first pixel unit and at least one second pixel list associated with it
Member, the acquisition information of the first pixel unit described in united recording；
The acquisition information of first pixel unit is determined according to the result of united recording.
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| CN101800837A (en) * | 2009-02-05 | 2010-08-11 | 香港科技大学 | Device and method for improving dynamic range and linearity of CMOS image sensor |
| CN101828201A (en) * | 2008-08-26 | 2010-09-08 | 索尼公司 | Image processing device and method, and learning device, method, and program |
| CN104378558A (en) * | 2013-08-15 | 2015-02-25 | 全视技术有限公司 | Systems And Methods For Generating High Dynamic Range Images |
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| US7362365B1 (en) * | 2002-06-26 | 2008-04-22 | Pixim, Inc. | Digital image capture having an ultra-high dynamic range |
| CN101828201A (en) * | 2008-08-26 | 2010-09-08 | 索尼公司 | Image processing device and method, and learning device, method, and program |
| CN101800837A (en) * | 2009-02-05 | 2010-08-11 | 香港科技大学 | Device and method for improving dynamic range and linearity of CMOS image sensor |
| CN104378558A (en) * | 2013-08-15 | 2015-02-25 | 全视技术有限公司 | Systems And Methods For Generating High Dynamic Range Images |
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