CN110278380A - A kind of restructural super more mesh cameras and its multiplexing method - Google Patents
A kind of restructural super more mesh cameras and its multiplexing method Download PDFInfo
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- CN110278380A CN110278380A CN201910649243.0A CN201910649243A CN110278380A CN 110278380 A CN110278380 A CN 110278380A CN 201910649243 A CN201910649243 A CN 201910649243A CN 110278380 A CN110278380 A CN 110278380A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000006870 function Effects 0.000 claims description 34
- 238000013507 mapping Methods 0.000 claims description 13
- 230000015654 memory Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/243—Image signal generators using stereoscopic image cameras using three or more 2D image sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/617—Upgrading or updating of programs or applications for camera control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
The invention discloses a kind of restructural super more mesh cameras and its multiplexing method, it is related to more mesh camera techniques field, the present invention includes multiple cameras, control function interface module, restructural definition module and high-speed digital transmission interface module, the control function interface module include with multiple cameras multiple control function submodules correspondingly, the parameter configuration of corresponding camera is completed by each control function submodule；Restructural definition module is based on embedded FPGA, for multiple control function submodules to be mapped to corresponding camera one by one according to preset restructural definition file；High-speed digital transmission interface module is used to the image data of each camera being sent to terminal device, the present invention can be reconstructed multiple cameras by restructural definition module, even if there is camera work abnormal, it can also be made to restore normal operating conditions by being reconstructed, it is ensured that the functional reliability of super more mesh cameras.
Description
Technical field
The present invention relates to more mesh camera techniques fields, more particularly to a kind of restructural super more mesh cameras and its again
Use method.
Background technique
With the high speed development of integrated circuit technique, integrated level is higher and higher, the camera used for application scenarios
It is more and more, for example, it is double take the photograph mobile phone, three take the photograph mobile phone, four take the photograph mobile phone, be gradually a dark horse in consumer electronics field, due to its use
It works well, firmly gets consumer and like.
But under some specific scenes, we need using more cameras, such as with a spatial point
The image for shooting surrounding space can obtain stronger reality using more multi-cam and perceive if the street in map is clapped.Due to mesh
Preceding more mesh cameras using when be it is anticipated that setting installation configuration, if there is at one camera work in use process
Abnormal, the instrument and equipment entirely shot will cannot get expected effect, at this time with regard to needing scene to safeguard the camera
Or replacement, but since the camera of some professions is that comparison is accurate, thus be difficult to be repaired rapidly in a short time or
Replacement.
Therefore, the functional reliability for how improving more mesh camera entirety seems particularly important, while being similar to ground at present
The camera that figure street is clapped is largely the photo shot using a focal length, therefore hardly results in the letter of some details in such as streetscape
Breath, later period user experience can be retained.
Summary of the invention
It is an object of the invention to: in order to solve the problems, such as that current more mesh camera functional reliabilities are lower, the present invention is mentioned
For a kind of restructural super more mesh cameras and its multiplexing method.
The present invention specifically uses following technical scheme to achieve the goals above:
A kind of restructural super more mesh cameras, including multiple cameras, control function interface module, restructural definition module and
High-speed digital transmission interface module, the control function interface module include and multiple cameras multiple control function submodules correspondingly
Block is completed the parameter configuration of corresponding camera by each control function submodule；Restructural definition module is based on embedded FPGA, uses
In multiple control function submodules are mapped to corresponding camera one by one according to preset restructural definition file；High-speed digital transmission interface
Module is used to the image data of each camera being sent to terminal device.
Further, super more mesh cameras further include nonvolatile memory, and the nonvolatile memory is for depositing
Store up restructural definition file.
Further, the restructural definition module includes reconfigurable circuit, multiple internal signal ports and output port, institute
It states multiple internal signal ports and is mapped to multiple control function submodules, mapping relations are determined by restructural definition file；It is multiple
Output port is connect with nonvolatile memory, and the number of output port is determined by camera number.
Further, the reconfigurable circuit is realized based on embedded FPGA by VHDL/Verlog Programming with Pascal Language.
Further, each control function submodule completes corresponding camera focus parameter, exposure parameter, white balance ginseng
The parameter configurations such as number.
Further, the high-speed digital transmission interface module be bus interface, including but not limited to ten thousand mbit ethernets, optical port,
SRIO, GTX or JESD204B.
Further, the terminal device includes PC machine or embeded processor equipment.
A kind of multiplexing method of restructural super more mesh cameras, includes the following steps:
S1: restructural definition module reads the restructural definition file for calling and being stored in nonvolatile memory, completes
The mapping of internal signal port and control function submodule；
S2: control function submodule completes the mapping between camera, to correspondence according to the restructural regulation for defining file
Camera carries out parameter configuration, realizes camera multiplexing.
Further, in the S1, restructural definition module is embedding by being programmed according to the restructural content for defining file
Enter to complete the mapping of internal signal port and control function submodule on formula FPGA.
Beneficial effects of the present invention are as follows:
1, super more mesh cameras of the invention can be reconstructed multiple cameras by restructural definition module, even if having
Camera work is abnormal, it can also be made to restore normal operating conditions by being reconstructed, it is ensured that the work of super more mesh cameras can
By property.
2, the present invention completes to correspond to the parameter configurations such as focal length, exposure, the white balance of camera by control function submodule, often
The parameter configuration of one camera can be different, so that the image more closing to reality that shooting obtains.
Detailed description of the invention
Fig. 1 is super more mesh camera structure schematic diagrames of the invention.
Fig. 2 is the mapping relations schematic diagram of control function interface module Yu multiple cameras.
Fig. 3 is the circuit diagram of control function submodule of the present invention.
Fig. 4 is the mapping relations schematic diagram of restructural definition module.
Specific embodiment
In order to which those skilled in the art better understand the present invention, with reference to the accompanying drawing with following embodiment to the present invention
It is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of restructural super more mesh cameras, including multiple camera Xi, control function
Interface module, restructural definition module, nonvolatile memory and high-speed digital transmission interface module, as shown in Fig. 2, the control function
Can interface module include with multiple cameras multiple control function submodules correspondingly, completed by each control function submodule
The parameter configuration of corresponding camera, is illustrated in figure 3 the circuit diagram of each control function submodule, restructural definition module base
In embedded FPGA, for multiple control function submodules to be mapped to corresponding phase one by one according to preset restructural definition file
Machine；Nonvolatile memory is for storing restructural definition file, and the present embodiment is using FLASH chip as non-volatile memories
Device；High-speed digital transmission interface module is used to the image data of each camera being sent to terminal device；
Plurality of camera Xi, i=0,1 ..., m, n, wherein m < n, i are positive natural number；Control function submodule U_
Ck, k=i；
The restructural definition module includes reconfigurable circuit, multiple internal signal ports and output port, the reconstruct electricity
Roadbed realizes that the multiple internal signal port is mapped to multiple controls in embedded FPGA by VHDL/Verilog Programming with Pascal Language
Function sub-modules processed, mapping relations are determined by restructural definition file；Multiple output ports are connect with nonvolatile memory, defeated
The number of exit port is determined by camera number, specifically, output port Pt, t=2n, n=0,1,2 ..., as shown in figure 4, output
Port has 4, i.e. t is 4, since camera number is more, it is contemplated that the bandwidth of actual data transfer, restructural definition module according to
The number of business application setting output port defines n=int (√ i)；
Each control function submodule completes the parameters such as corresponding camera focus parameter, exposure parameter, white balance parameter
Configuration；The high-speed digital transmission interface module be bus interface, including but not limited to ten thousand mbit ethernets, optical port, SRIO, GTX or
JESD204B；The terminal device includes PC machine or embeded processor equipment.
Based on above-mentioned super more mesh cameras, the present embodiment also provides a kind of multiplexing method of restructural super more mesh cameras, packet
Include following steps:
S1: restructural definition module reads the restructural definition file for calling and being stored in nonvolatile memory, according to
The restructural content for defining file completes internal signal port and control function submodule by being programmed on embedded FPGA
Mapping；
S2: control function submodule completes the mapping between camera, to correspondence according to the restructural regulation for defining file
Camera carries out parameter configuration, realizes camera multiplexing.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, it is all to change with equivalent structure made by specification and accompanying drawing content of the invention, similarly
It should be included within the scope of the present invention.
Claims (9)
1. a kind of restructural super more mesh cameras, it is characterised in that: including multiple cameras, control function interface module, restructural
Definition module and high-speed digital transmission interface module, the control function interface module include and the multiple controls correspondingly of multiple cameras
Function sub-modules processed are completed the parameter configuration of corresponding camera by each control function submodule；Restructural definition module is based on embedding
Enter formula FPGA, for multiple control function submodules to be mapped to corresponding camera one by one according to preset restructural definition file；
High-speed digital transmission interface module is used to the image data of each camera being sent to terminal device.
2. the restructural super more mesh cameras of one kind according to claim 1, it is characterised in that: super more mesh cameras also wrap
Nonvolatile memory is included, the nonvolatile memory is for storing restructural definition file.
3. the restructural super more mesh cameras of one kind according to claim 2, it is characterised in that: the restructural definition module
Including reconfigurable circuit, multiple internal signal ports and output port, the multiple internal signal port is mapped to multiple control function
Energy submodule, mapping relations are determined by restructural definition file；Multiple output ports are connect with nonvolatile memory, output end
The number of mouth is determined by camera number.
4. the restructural super more mesh cameras of one kind according to claim 3, it is characterised in that: the reconfigurable circuit is based on embedding
Enter formula FPGA to realize by VHDL/Verlog Programming with Pascal Language.
5. the restructural super more mesh cameras of one kind according to claim 1, it is characterised in that: each control function
Module completes the parameter configurations such as corresponding camera focus parameter, exposure parameter, white balance parameter.
6. the restructural super more mesh cameras of one kind according to claim 1, it is characterised in that: the high-speed digital transmission interface mould
Block is bus interface, including but not limited to ten thousand mbit ethernets, optical port, SRIO, GTX or JESD204B.
7. the restructural super more mesh cameras of one kind according to claim 1, it is characterised in that: the terminal device includes PC
Machine or embeded processor equipment.
8. a kind of multiplexing method of restructural super more mesh cameras, which comprises the steps of:
S1: restructural definition module reads the restructural definition file for calling and being stored in nonvolatile memory, completes internal
The mapping of signal port and control function submodule；
S2: control function submodule completes the mapping between camera according to the restructural regulation for defining file, to corresponding camera
Parameter configuration is carried out, realizes camera multiplexing.
9. the multiplexing method of the restructural super more mesh cameras of one kind according to claim 8, which is characterized in that the S1
In, restructural definition module completes internal signal by being programmed on embedded FPGA according to the restructural content for defining file
The mapping of port and control function submodule.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111274183A (en) * | 2020-02-21 | 2020-06-12 | 山东超越数控电子股份有限公司 | Multi-path high-speed protocol interface dynamic reconfigurable system and implementation method |
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| CN108388531A (en) * | 2018-02-09 | 2018-08-10 | 深圳国微技术有限公司 | A kind of chip and its pin multiplexing method |
| CN109781014A (en) * | 2019-03-11 | 2019-05-21 | 安徽工业大学 | Technology and method of multi-camera collaborative online measurement of strip target length under machine vision |
| CN110827198A (en) * | 2019-10-14 | 2020-02-21 | 唐山学院 | Multi-camera panoramic image construction method based on compressed sensing and super-resolution reconstruction |
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Patent Citations (7)
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| US20110128393A1 (en) * | 2009-12-01 | 2011-06-02 | Nokia Corporation | Digital imaging |
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