CN109729336A - Method and device for displaying video images - Google Patents
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- CN109729336A CN109729336A CN201811512360.4A CN201811512360A CN109729336A CN 109729336 A CN109729336 A CN 109729336A CN 201811512360 A CN201811512360 A CN 201811512360A CN 109729336 A CN109729336 A CN 109729336A
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Abstract
The present invention provides a kind of display methods of video image and devices.The same side of the mobile terminal is provided with the first camera and second camera, which comprises shoot respectively by first camera and the second camera to target object, obtain the first video image and the second video image；According to calibrating parameters information, correction process, the third video image and the 4th video image being aligned are carried out to first video image and second video image respectively；Third video image described in split screen display available and the 4th video image.Since the first video image and the second video image just have parallax relationship when shooting, therefore after correction when split screen display available, the right and left eyes image with parallax relationship can be provided for virtual display, to make video image that there is stronger three-dimensional stereopsis, display effect is improved, the usage experience of user is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals more particularly to the display methods and device of a kind of video image.
Background technique
Currently, when carrying out net cast using mobile terminal, if it is desired to watch the video image of 3-D effect, usually
It is to be mapped to video image in the left and right half screen of the screen of mobile terminal, then mobile terminal is placed into easy VR
In (Virtual Reality, virtual to show) equipment.But existing display mode, three-dimensional stereopsis is not strong, display effect
It is bad.
Summary of the invention
The embodiment of the present invention provides the display methods and device of a kind of video image, to solve video image in the prior art
When virtually being shown, the not strong problem of three-dimensional stereopsis.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of display methods of video image, it is applied to
Mobile terminal, the same side of the mobile terminal are provided with the first camera and second camera, which comprises
Target object is shot by first camera and the second camera respectively, obtains the first video
Image and the second video image；
According to calibrating parameters information, first video image and second video image are carried out at correction respectively
Reason, the third video image and the 4th video image being aligned；
Third video image described in split screen display available and the 4th video image.
The embodiment of the invention also provides a kind of display devices of video image, are deployed in mobile terminal, described mobile whole
The same side at end is provided with the first camera and second camera, and described device includes:
Video image shooting module, for respectively by first camera and the second camera to target object
It is shot, obtains the first video image and the second video image；
Video image rectification module, for according to calibrating parameters information, respectively to first video image and described the
Two video images carry out correction process, the third video image and the 4th video image being aligned；
Video image display module, for third video image and the 4th video image described in split screen display available.
The embodiment of the invention also provides a kind of mobile terminal, including processor, memory and it is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
The step of display methods for the video image stated.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is stored up, the step of the display methods such as above-mentioned video image is realized when the computer program is executed by processor
Suddenly.
In the embodiment of the present invention, mobile terminal by be located at the same side the first camera and second camera respectively to mesh
Mark object is shot, and the first video image and the second video image are obtained；According to calibrating parameters information, respectively to the first video
Image and the second video image carry out correction process, the third video image and the 4th video image being aligned, mobile whole
Split screen display available third video image and the 4th video image on end.When shooting due to the first video image and the second video image
Just there is parallax relationship, therefore after correction when split screen display available, the right and left eyes with parallax relationship can be provided for virtual display
Image improves display effect, improves the usage experience of user so that video image be made to have stronger three-dimensional stereopsis.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of the display methods of video image of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the first video image and the second video image before the correction of the embodiment of the present invention one；
Fig. 3 is the schematic diagram of the third video image and the 4th video image after the correction of the embodiment of the present invention one；
Fig. 4 is a kind of step flow chart of the display methods of video image of the embodiment of the present invention two；
Fig. 5 is a kind of structural block diagram of the display device of video image of the embodiment of the present invention three；
Fig. 6 is a kind of hardware structural diagram of mobile terminal of the embodiment of the present invention four.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of step flow chart of the display methods of video image provided in an embodiment of the present invention is shown.It answers
For mobile terminal, the same side of the mobile terminal is provided with the first camera and second camera, which comprises
Step 101, target object is shot by first camera and the second camera respectively, is obtained
First video image and the second video image.
In the present embodiment, the same side of mobile terminal is provided with the first camera and second camera, in net cast
In, the first camera and second camera acquire video image respectively.For example main camera is shot to obtain to target object
First video image, secondary camera shoot target object to obtain the second video image；Alternatively, main camera is to target pair
As being shot to obtain the second video image, secondary camera shoots target object to obtain the first video image.The present invention
Embodiment does not limit this in detail, can be configured according to the actual situation.Due to the first camera and second camera sheet
There are positional relationships for body, therefore the first obtained video image and the second video image have parallax relationship, can be used for virtual
In display, the right and left eyes image with parallax relationship is provided for virtual display.
Step 102, according to calibrating parameters information, first video image and second video image are carried out respectively
Correction process, the third video image and the 4th video image being aligned.
In the present embodiment, since the lens of camera are there are curvature, collected first video image and second is regarded
Frequency image can have the phenomenon that pattern distortion.Also, the position meeting of the first video image and the second target in video image object
There are some differences, referring to the first video image and the second video image before correction shown in Fig. 2.It therefore, can be according to taking the photograph
As the calibrating parameters information of head, correction process is carried out to the first video image and the second video image respectively, corrects the first video
Pattern distortion in image and the second video image, and the position for adjusting the first video image obtains third video image, adjusts
The position of whole second video image obtains the 4th video image, so that the object in third video image and the 4th video image
Body is in same position, referring to the third video image and the 4th video image after correction shown in Fig. 3.
Step 103, third video image described in split screen display available and the 4th video image.
In the present embodiment, in mobile terminal transverse screen display, by obtained third video image and the 4th video image point
Left and right screen is shown.Mobile terminal can provide the right and left eyes image with parallax relationship for virtual display, to make video
Image has stronger three-dimensional stereopsis, improves display effect, improves the usage experience of user.
In conclusion in embodiments of the present invention, mobile terminal is taken the photograph by being located at first camera and second of the same side
As head respectively shoots target object, the first video image and the second video image are obtained；According to calibrating parameters information, divide
It is other that correction process, the third video image and the 4th video figure being aligned are carried out to the first video image and the second video image
Picture, on mobile terminals split screen display available third video image and the 4th video image.Due to the first video image and the second video
Image just has parallax relationship when shooting, therefore after correction when split screen display available, can provide for virtual display with parallax
The right and left eyes image of relationship improves display effect, improves user so that video image be made to have stronger three-dimensional stereopsis
Usage experience.
Embodiment two
Referring to Fig. 4, a kind of step flow chart of the display methods of video image provided in an embodiment of the present invention is shown.It answers
For mobile terminal, the same side of the mobile terminal is provided with the first camera and second camera, which comprises
Step 201, target object is shot by first camera and the second camera respectively, is obtained
First video image and the second video image.
Step 202, first video image and second video image are adjusted to identical size.
In the present embodiment, it is generally the case that main camera is different with the secondary pixel of camera, collected first video figure
The size of picture and the second video image is different, to guarantee display effect, needs the first video image and the second video image tune
Whole is identical size.Specifically, first video image and second video image are carried out respectively according to target size
Sampling processing；The size of first video image and second video image is adjusted separately according to sampled result.For example, main
The pixel of camera is higher, and the first video image collected to main camera carries out down-sampling (subsampled)；Pair camera shooting
The pixel of head is lower, and the second video image collected to secondary camera is up-sampled (upsampling), is tied according to sampling
Fruit adjusts the size of the first video image and the second video image, that is, reduces the first video image, amplifies the second video image, will
First video image and the second video image are adjusted to identical size.The embodiment of the present invention does not limit target size in detail,
It can be configured according to the actual situation.
Step 203, first video image and second video image are adjusted to same brightness.
In the present embodiment, due to the positional relationship of dual camera, collected first video image and the second video image
There may be luminance differences, and the first video image and the second video image are adjusted to same brightness, guarantee that user's right and left eyes can
To watch the video image of same brightness, keep three-dimensional stereopsis stronger, user experience is truer.The embodiment of the present invention is to brightness
Adjustment mode does not limit in detail, can be configured according to the actual situation.
Step 204, the first video image adjusted and the second video image are carried out according to the calibrating parameters information
Distortion correction processing.
In the present embodiment, since there are pattern distortions for the first video image and the second video image, according to camera
Calibrating parameters information distortion correction processing is carried out to the first video image and the second video image.For example, according to calibrating parameters
Formula in informationTo the pixel in the first video image
(x, y) carries out distortion correction processing, obtains new pixel (x ', y ')；Wherein K1、K2、P1、P2It is distortion factor, r2=x2+
y2, r4=(x2+y2)2.And so on, distortion is carried out to each pixel in the first video image and the second video image to be rectified
Positive processing.
Before carrying out distortion correction processing, the preset calibrating parameters information is obtained.Calibrating parameters information includes double
Distortion factor, focal length, principal point, spin matrix, translational movement of camera etc..The embodiment of the present invention does not make in detail calibrating parameters information
It is thin to limit, it can be configured according to the actual situation.Calibrating parameters information includes more to carry out distortion correction to video image
It is more accurate to handle, and the display effect showed is better.
Step 205, according to the calibrating parameters information to distortion correction treated the first video image and the second video
Image carries out position adjustment.
In the present embodiment, calibrating parameters information can also include formulaWherein R is spin matrix, T
For translation vector, (x1、y1、z1) be the first video image in pixel coordinate, (x2、y2、z2) it is in the second video image
Pixel coordinate.The translation of the rotation between the first video image and the second video image can be eliminated by the formula to close
System, makes the target object in the first video image and the second video image be in same position.
Step 206, to adjustment position after the first video image and the second video image cut, obtain the alignment
Third video image and the 4th video image.
In the present embodiment, due to correction after the first video image and the second video image edge can exist it is irregular
Invalid information needs to guarantee that the video image of right and left eyes is all regular rectangular shape to the first video image and the second video image
It is cut, to obtain third video image and the 4th video image.
Step 207, third video image described in split screen display available and the 4th video image.
In conclusion in embodiments of the present invention, mobile terminal is taken the photograph by being located at first camera and second of the same side
As head respectively shoots target object, the first video image and the second video image are obtained；According to calibrating parameters information, divide
It is other that correction process, the third video image and the 4th video figure being aligned are carried out to the first video image and the second video image
Picture, on mobile terminals split screen display available third video image and the 4th video image.Due to the first video image and the second video
Image just has parallax relationship when shooting, therefore after correction when split screen display available, can provide for virtual display with parallax
The right and left eyes image of relationship improves display effect, improves user so that video image be made to have stronger three-dimensional stereopsis
Usage experience.
Embodiment three
Referring to Fig. 5, a kind of structural block diagram of the display device of video image provided in an embodiment of the present invention is shown.Deployment
The first camera is set in the same side of mobile terminal, the mobile terminal and second camera, described device include:
Video image shooting module 301, for respectively by first camera and the second camera to target
Object is shot, and the first video image and the second video image are obtained；
Video image rectification module 302, for according to calibrating parameters information, respectively to first video image and described
Second video image carries out correction process, the third video image and the 4th video image being aligned；
Video image display module 303, for third video image and the 4th video image described in split screen display available.
Optionally, the video image rectification module 302 includes:
Size adjusting submodule, for first video image and second video image to be adjusted to identical ruler
It is very little；
Distortion correction submodule, for being regarded according to the calibrating parameters information to the first video image adjusted and second
Frequency image carries out distortion correction processing；
Position adjustment submodule, for according to the calibrating parameters information to distortion correction treated the first video image
Position adjustment is carried out with the second video image；
Cut submodule, for adjustment position after the first video image and the second video image cut, obtain
The third video image of the alignment and the 4th video image.
Optionally, the size adjusting submodule includes:
Sampling unit, for being carried out respectively to first video image and second video image according to target size
Sampling processing；
Size adjusting unit, for adjusting separately first video image and the second video figure according to sampled result
The size of picture.
Optionally, described device further include:
Brightness adjustment submodule, for first video image and second video image to be adjusted to identical bright
Degree.
Optionally, described device further include:
Calibrating parameters data obtaining module, for obtaining the preset calibrating parameters information.
The display device of video image provided in an embodiment of the present invention can be realized real in the embodiment of the method for Fig. 1 and Fig. 4
Existing each process, to avoid repeating, which is not described herein again.In the embodiment of the present invention, since the first video image and second regard
Frequency image just has parallax relationship when shooting, therefore after correction when split screen display available, and can provide for virtual display has view
The right and left eyes image of poor relationship improves display effect, improves use so that video image be made to have stronger three-dimensional stereopsis
The usage experience at family.
Example IV
A kind of hardware structural diagram of Fig. 6 mobile terminal of each embodiment to realize the present invention.
The mobile terminal 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, defeated
Enter unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor
The components such as 410 and power supply 411.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 6 is not constituted
Restriction to mobile terminal, mobile terminal may include than illustrating more or fewer components, perhaps combine certain components or
Different component layouts.In embodiments of the present invention, mobile terminal include but is not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, input unit 404, for respectively by first camera and the second camera to target object
It is shot, obtains the first video image and the second video image；
Processor 410 is used for according to calibrating parameters information, respectively to first video image and the second video figure
As carrying out correction process, the third video image and the 4th video image being aligned；
Display unit 406, for third video image and the 4th video image described in split screen display available.
In the embodiment of the present invention, since the first video image and the second video image just have parallax relationship when shooting,
Therefore after correction when split screen display available, the right and left eyes image with parallax relationship can be provided for virtual display, to make video
Image has stronger three-dimensional stereopsis, improves display effect, improves the usage experience of user.
It should be understood that the embodiment of the present invention in, radio frequency unit 401 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 410 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 401 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 401 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 402 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 403 can be received by radio frequency unit 401 or network module 402 or in memory 409
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 403 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 400 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 403 includes loudspeaker, buzzer and receiver etc..
Input unit 404 is for receiving audio or video signal.Input unit 404 may include graphics processor
(Graphics Processing Unit, GPU) 4041 and microphone 4042, graphics processor 4041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 406.Through graphics processor 4041, treated that picture frame can be deposited
Storage is sent in memory 409 (or other storage mediums) or via radio frequency unit 401 or network module 402.Mike
Wind 4042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 401 is converted in the case where telephone calling model.
Mobile terminal 400 further includes at least one sensor 405, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 4061, and proximity sensor can close when mobile terminal 400 is moved in one's ear
Display panel 4061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 405 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 406 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap
Display panel 4061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 4061.
User input unit 407 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 407 include touch panel 4071 and
Other input equipments 4072.Touch panel 4071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 4071 or in touch panel 4071
Neighbouring operation).Touch panel 4071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 410, receiving area
It manages the order that device 410 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 4071.In addition to touch panel 4071, user input unit 407 can also include other input equipments
4072.Specifically, other input equipments 4072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 4071 can be covered on display panel 4061, when touch panel 4071 is detected at it
On or near touch operation after, send processor 410 to determine the type of touch event, be followed by subsequent processing device 410 according to touching
The type for touching event provides corresponding visual output on display panel 4061.Although in Fig. 6, touch panel 4071 and display
Panel 4061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 4071 and display panel 4061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 408 is the interface that external device (ED) is connect with mobile terminal 400.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 408 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 400 or can be used in 400 He of mobile terminal
Data are transmitted between external device (ED).
Memory 409 can be used for storing software program and various data.Memory 409 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 409 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 410 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 409, and calls and is stored in storage
Data in device 409 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 410 may include one or more processing units；Preferably, processor 410 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 410.
Mobile terminal 400 can also include the power supply 411 (such as battery) powered to all parts, it is preferred that power supply 411
Can be logically contiguous by power-supply management system and processor 410, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 400 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 410, and memory 409 is stored in
On memory 409 and the computer program that can run on the processor 410, the computer program are executed by processor 410
Each process of the display methods embodiment of the above-mentioned video image of Shi Shixian, and identical technical effect can be reached, to avoid weight
Multiple, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each mistake of the display methods embodiment of above-mentioned video image when being executed by processor
Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium
Matter, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
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| CN201811512360.4A CN109729336A (en) | 2018-12-11 | 2018-12-11 | Method and device for displaying video images |
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| CN110636276A (en) * | 2019-08-06 | 2019-12-31 | RealMe重庆移动通信有限公司 | Video shooting method and device, storage medium and electronic equipment |
| CN111372009A (en) * | 2020-03-31 | 2020-07-03 | 联想(北京)有限公司 | Image processing method and processing equipment |
| WO2023091121A1 (en) * | 2021-11-22 | 2023-05-25 | Анатолий Григорьевич ЛАЗАРЕНКО | 3d video recording method |
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