CN205812239U - A kind of Vehicular video processing system based on H.265 compression standard - Google Patents
A kind of Vehicular video processing system based on H.265 compression standard Download PDFInfo
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- CN205812239U CN205812239U CN201620699649.1U CN201620699649U CN205812239U CN 205812239 U CN205812239 U CN 205812239U CN 201620699649 U CN201620699649 U CN 201620699649U CN 205812239 U CN205812239 U CN 205812239U
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Abstract
The utility model discloses a kind of Vehicular video processing system based on H.265 compression standard, including video acquisition unit, SOC video compressing unit and memory element；Video acquisition unit, SOC video compressing unit and memory element are sequentially connected with；Video acquisition unit is connected with Vehicular video source, is used for receiving video signal, and video signal is converted to YCbCr video data；YCbCr video data is compressed processing by SOC video compressing unit according to H.265 compression standard, and the YCbCr video data after compression being processed is sent to memory element and stores；Wherein, SOC video compressing unit has embedded processing module, and embedded processing module is used for arranging systematic parameter and being scheduling video data flow process.Achieving the video playback after compression processes smooth, clearly, meanwhile, this utility model simple in construction, compression efficiency is high, reduces hardware cost.
Description
Technical field
This utility model belongs to Vehicular video process field, a kind of Vehicular video based on H.265 compression standard
Processing system.
Background technology
Automobile needs real time record driving video data in the process of moving, and the data volume needing record is bigger.Existing
Vehicle-mounted load video monitoring system, is limited to existing technology, a lot of in the case of easily occur that Vehicular video is unintelligible, video card pauses
The problem such as the most smooth.Meanwhile, need bigger memory space to be used for storing video compression data, produce higher hardware cost.
Utility model content
Goal of the invention of the present utility model be to solve existing Vehicular video processing system a lot of in the case of car easily occurs
Carry that video is unintelligible, video card pauses the most smooth, the problems such as hardware cost is higher simultaneously.Propose a kind of based on H.265 compressing mark
Accurate Vehicular video processing system.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of Vehicular video processing system based on H.265 compression standard, including video acquisition unit, SOC video compress
Unit and memory element；Described video acquisition unit, SOC video compressing unit and memory element are sequentially connected with.
Described video acquisition unit is connected with Vehicular video source, is used for receiving video signal, and is turned by described video signal
It is changed to YCbCr video data；Described YCbCr video data is carried out by described SOC video compressing unit according to H.265 compression standard
Compression processes, and the YCbCr video data after compression being processed is sent to memory element and stores；
Wherein, described SOC video compressing unit has embedded processing module, and described embedded processing module is used for arranging
Systematic parameter and video data flow process is scheduling.
As preferred version of the present utility model, also include FPGA video pre-processing units, described FPGA video pre-filtering
Unit is connected with video acquisition unit and SOC video compressing unit respectively, and described FPGA video pre-processing units receives described
YCbCr video data, and it is at least included the pretreatment of noise reduction, enhancing, debounce and mist elimination.
As preferred version of the present utility model, described embedded processing module arranges systematic parameter, including configuration video
Data compression parameter, configures grid parameter.
As preferred version of the present utility model, described video acquisition unit includes that video signal interface and video signal turn
Die change block, described video data interface video signal, by video signal modular converter by decoding video signal, and
Being converted into YCbCr video data, wherein, described YCbCr video data is BT656 or the BT1120 parallel video number of standard
According to.
As preferred version of the present utility model, described video signal interface includes CVBS interface, HDMI, and XGA connects
Mouthful；Wherein, described CVBS interface is used for receiving SD composite video signal, and described HDMI is used for the many matchmakers of receiving high-definition
Volumetric video signal, described XGA interface high-definition video signal including VGA, SVGA, XGA.
As preferred version of the present utility model, described embedded processing module use ARM Cotex A9 embedded firmly
Part processes framework.
As preferred version of the present utility model, also include the wireless transmission unit being connected with described SOC compression unit, institute
State wireless transmission unit and there is USB interface, by the external wireless Internet card of USB interface, send compressed video data.
As preferred version of the present utility model, also include power transfer module, the input of described power transfer module
Be connected with In-vehicle Power Source Device, the outfan of described power transfer module respectively with video acquisition unit, FPGA video pre-filtering
Unit and SOC Video compression unit connect, and each unit is entered by described In-vehicle Power Source Device by described power transfer module
Row power supply.
As preferred version of the present utility model, described memory element uses external 2.5 cun of SATA interface hard-disc storage institutes
State the YCbCr video data after compression.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are: use video acquisition list
Unit, SOC video compressing unit and the Vehicular video processing system based on H.265 compression standard of memory element composition, it is achieved
Video playback after compression processes is smooth, and clearly, meanwhile, this utility model simple in construction, compression efficiency is high, reduces hardware
Cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the preferred structural representation of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
As it is shown in figure 1, a kind of Vehicular video processing system based on H.265 compression standard, including video acquisition unit,
SOC video compressing unit and memory element；Described video acquisition unit, SOC video compressing unit and memory element are successively
Connect.
Described video acquisition unit is connected with Vehicular video source, is used for receiving video signal, and is turned by described video signal
It is changed to YCbCr video data；Described YCbCr video data is carried out by described SOC video compressing unit according to H.265 compression standard
Compression processes, and the YCbCr video data after compression being processed is sent to memory element and stores；
Wherein, described SOC video compressing unit has embedded processing module, described embedded processing module configuration video
Data compression parameter, configures grid parameter, such as IP address, gateway etc.；And video data flow process is scheduling.
Described SOC video compressing unit use hi3516A chip, described hi3516A chip have video compressing module and
Embedded processing module.
Concrete, also include FPGA video pre-processing units, described FPGA video pre-processing units respectively with video acquisition
Unit and SOC video compressing unit connect, and described FPGA video pre-processing units receives described YCbCr video data, to video
The optimizations such as image carries out image enhaucament, removes and makes an uproar, debounce process.
Concrete, described video acquisition unit includes video signal interface and video signal modular converter, described video counts
According to interface video signal, by video signal modular converter by decoding video signal, and it is converted into YCbCr and regards
Frequency evidence, wherein, described YCbCr video data is BT656 or the BT1120 parallel video data of standard.
Further, described video signal interface includes CVBS interface, HDMI, XGA interface；Wherein, described CVBS interface
For receiving SD composite video signal, described HDMI is used for receiving high-definition multimedia video signal, and described XGA connects
Mouth receives the high-definition video signal including VGA, SVGA, XGA.
Concrete, described embedded processing module uses the embedded hardware of ARM Cotex A9 to process framework, and it is transported
Row LINUX embedded OS software, the control management of completion system.
Concrete, also including the wireless transmission unit being connected with described SOC compression unit, described wireless transmission unit has
USB interface, by the external wireless Internet card of USB interface, such as Huawei's 3G card of surfing Internet, 4G card of surfing Internet etc., sends compressed video data.
Concrete, also include that power transfer module, the input of described power transfer module are connected with In-vehicle Power Source Device,
The outfan of described power transfer module respectively with video acquisition unit, FPGA video pre-processing units and SOC video compress at
Reason unit connects, and each unit is powered by described In-vehicle Power Source Device by described power transfer module.Described Power convert
Unit receives the 12V power supply that In-vehicle Power Source Device provides, and is transformed into 3.3V, 2.5V, 1.8V, 1.1V electricity required for internal system
Source, completes management and the control of electrifying timing sequence to each group of power supply.
Concrete, considering based on antidetonation, described memory element uses to be compressed described in external 2.5 cun of SATA interface hard-disc storage
After YCbCr video data.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (9)
1. a Vehicular video processing system based on H.265 compression standard, it is characterised in that include video acquisition unit, SOC
Video compressing unit and memory element；Described video acquisition unit, SOC video compressing unit and memory element connect successively
Connect；
Described video acquisition unit is connected with Vehicular video source, is used for receiving video signal, and is converted to by described video signal
YCbCr video data；Described YCbCr video data is compressed by described SOC video compressing unit according to H.265 compression standard
Process, and the YCbCr video data after compression being processed is sent to memory element and stores；
Wherein, described SOC video compressing unit has embedded processing module, and described embedded processing module is used for arranging system
Parameter and video data flow process is scheduling.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that also wrap
Include FPGA video pre-processing units, described FPGA video pre-processing units respectively with video acquisition unit and SOC video compress list
Unit connects, and described FPGA video pre-processing units receives described YCbCr video data, and it at least includes noise reduction, increasing
By force, debounce and the pretreatment of mist elimination.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that described
Embedded processing module arranges systematic parameter, including configuration video data compression parameter, configures grid parameter.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that described
Video acquisition unit includes video signal interface and video signal modular converter, described video data interface video signal,
By video signal modular converter by decoding video signal, and it is converted into YCbCr video data, wherein, described
YCbCr video data is BT656 or the BT1120 parallel video data of standard.
Vehicular video processing system based on H.265 compression standard the most according to claim 4, it is characterised in that described
Video signal interface includes CVBS interface, HDMI, XGA interface；Wherein, described CVBS interface is used for receiving that SD is compound regards
Frequently signal, described HDMI be used for receiving high-definition multimedia video signal, described XGA interface include VGA,
SVGA, XGA are at interior high-definition video signal.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that described
Embedded processing module uses the embedded hardware of ARM Cotex A9 to process framework.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that also wrap
Including the wireless transmission unit being connected with described SOC compression unit, described wireless transmission unit has USB interface, passes through USB interface
External wireless Internet card, sends compressed video data.
Vehicular video processing system based on H.265 compression standard the most according to claim 2, it is characterised in that also wrap
Including power transfer module, the input of described power transfer module is connected with In-vehicle Power Source Device, described power transfer module
Outfan is connected with video acquisition unit, FPGA video pre-processing units and SOC Video compression unit respectively, described vehicle-mounted
Each unit is powered by power-supply device by described power transfer module.
Vehicular video processing system based on H.265 compression standard the most according to claim 1, it is characterised in that described
Memory element uses the YCbCr video data after compression described in external 2.5 cun of SATA interface hard-disc storage.
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| CN201620699649.1U CN205812239U (en) | 2016-07-01 | 2016-07-01 | A kind of Vehicular video processing system based on H.265 compression standard |
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| CN201620699649.1U CN205812239U (en) | 2016-07-01 | 2016-07-01 | A kind of Vehicular video processing system based on H.265 compression standard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924517A (en) * | 2018-08-27 | 2018-11-30 | 长春理工大学 | A kind of adaptive storage output device based on multiple format video image data |
| CN110677609A (en) * | 2019-10-24 | 2020-01-10 | 华东师范大学 | Multi-input multi-output multi-format digital video processing experiment platform |
-
2016
- 2016-07-01 CN CN201620699649.1U patent/CN205812239U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924517A (en) * | 2018-08-27 | 2018-11-30 | 长春理工大学 | A kind of adaptive storage output device based on multiple format video image data |
| CN110677609A (en) * | 2019-10-24 | 2020-01-10 | 华东师范大学 | Multi-input multi-output multi-format digital video processing experiment platform |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |