CN105430297B - The automatic control system that more video formats are changed to IIDC protocol videos form - Google Patents
The automatic control system that more video formats are changed to IIDC protocol videos form Download PDFInfo
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- CN105430297B CN105430297B CN201510924318.3A CN201510924318A CN105430297B CN 105430297 B CN105430297 B CN 105430297B CN 201510924318 A CN201510924318 A CN 201510924318A CN 105430297 B CN105430297 B CN 105430297B
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Abstract
The present invention proposes the automatic control system that a kind of more video formats based on FPGA are changed to IIDC protocol videos form.In the system, it is provided with and various video agreement is provided with corresponding detection unit, the data and control signal wire of input video are respectively fed to each detection unit, if certain video protocols matches input video, the detection unit for then corresponding to this kind of agreement produces high level enable signal CE, collecting unit corresponding to driving, while other detection units produce low level and collecting unit corresponding to its rear end is in reset state；Multidiameter option switch controller, using the CE of each detection unit output as control signal amount, the video data stream of each collecting unit collection is input, it is that collection video data stream corresponding to high level carries out follow-up caching and scaling processing operation to gate CE, and different video data frames is converted into the data of IIDC video formats.
Description
Technical field
The invention belongs to Video processing, graph image field, and in particular to one kind of multiple video formats regard to IIDC agreements
The control system of frequency form conversion.
Background technology
IIDC be for real-time video transmission depending on IEEE1394 (hereinafter referred to as 1394) data format.
Because IIDC supports a variety of resolution ratio and frame per second, and 1394 have transmission rate high, support hot plug and support point-to-point
Transmission, or even in 1394 systems, the advantages that equipment of various speed can coexist in the case where not influenceing communication speed,
Had a wide range of applications in some vehicle-mounted, airborne and civil areas.Because existing vision sensor exports video protocols and divides
Resolution is different, and transmission is unable to networking, does not support hot plug etc., all needs different video formats being converted under many scenes
1024X768 resolution ratio, the data format of 60Hz frame frequencies of IIDC forms.
With electronic technology, the development of large scale integrated circuit, realized using field programmable gate array (FPGA)
Digital Signal Processing has many advantages in configurability, stability etc..Study the various video form based on FPGA to
The automatic conversion control program for meeting IIDC video formats has broad application prospects.At present, do not occur more video formats also
The chip changed to IIDC video formats.
The content of the invention
The present invention proposes that a kind of more video formats based on FPGA are to automatically controlling of changing of IIDC protocol videos form
System.
Technical scheme is as follows:
The automatic control system that more video formats are changed to IIDC protocol videos form, it is characterised in that including：
Protocol detection module, foundation have various video protocol database, and analysis, progress are compared to input video
Match somebody with somebody；
Video acquisition module, the input video that collection matching determines；
Switch controller, using the match information that protocol detection module is drawn as control signal, control output video is adopted
The vision signal that collection module is sent；
Video data processing module, frame of video double buffering is provided with, it is slow to being sequentially stored into by the way of ping-pong operation
Rush in area A and buffering area B video data frame and carry out interlacing and turn line by line and bilinear interpolation algorithm, so as to by different video counts
The data of IIDC video formats are converted into according to frame；The data of IIDC video formats are sequentially stored into the way of ping-pong operation again
Buffering area C and buffering area D；
Control module is sent, the video data in buffering area C and buffering area D is exported according to IIDC video formats.
On the basis of above scheme, the present invention has also further made following optimization：
Various video agreement is provided with corresponding detection unit, the video acquisition module in protocol detection module
In be provided with and the one-to-one collecting unit of these detection units；
The data and control signal wire of input video are respectively fed to each detection unit, if the matching input of certain video protocols regards
Frequently, then high level enable signal CE is produced corresponding to the detection unit of this kind of agreement, driven corresponding in the video acquisition module
Collecting unit, while other detection units produce low level collecting unit corresponding to its rear end is in reset state.
The time interval and blanking zone video that each detection unit passes through one full frame images expert's field sync signal of analysis
The changing rule of data, judges whether input video belongs to certain video protocols.
Switch controller is a multidiameter option switch controller, using the CE of each detection unit output as control signal amount,
The video data stream of each collecting unit collection is input, and gating CE is that collection video data stream carries out follow-up corresponding to high level
Caching.
The valid pixel for the adjacent two field pictures that buffering area A and buffering area B cachings continuously arrive, to buffering area A and buffering
Area B carries out ping-pong operation, when current frame image is filled into buffering area A, the previous frame image that is cached in buffering area B is used every
Row turns line by line and bilinear interpolation algorithm is converted into 1024X768 resolution sizes, and is filled into and sends in buffering area C；Under
A period of time, next frame image buffer storage is entered into buffering area B and bilinear interpolation processing is carried out simultaneously to the picture frame in buffering area A
Deposit sends buffering area D；Video data in final buffer area C and buffering area D is according to IIDC 1024X768 resolution ratio 60Hz frames
Rate video format exports.
The present invention is capable of the vision signal of the agreement such as Real-time and Dynamic Detection RawRGB, BT.656, BT.709 and SMPTE273,
Be automatically performed Video processing and be uniformly converted to the 1024X768 for meeting IIDC agreements, frame frequency is 60Hz vision signals, video turns
The change of current is smooth, and output is steady and audible.Specifically there is following technique effect：
1st, the characteristics of making full use of 1394 bus, can be at 1 using 1394 IIDC data format transmitting video datas
1394 systems not only transmitting video data but also had transmitted control, and supported hot plug.
2nd, the IP kernel of video detection and collection is established, can greatly shorten the construction cycle, and may be used at sundry item
Exploitation in, rate of code reuse is very high.
3rd, using field programmable gate array (FPGA) come realize the detection of video data frame, matching, conversion and
Transmission, it can be cut according to detection of the application to the frame of video of input, collection IP kernel, configuration is flexible；FPGA design is adopted simultaneously
Operated with parallel pipeline, real-time is high, and Video Quality Metric is smooth, and image output is clear；Bilinear interpolation algorithm can be changed simultaneously,
Meets the simple customization of the needs of user's different resolution and different frame per second.
4th, IIDC video transmission formats are not only applicable to airborne, mobile unit and had in civil area extensive wide
Application prospect.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Embodiment
Below in conjunction with Fig. 1, the solution of the present invention is described in further detail.
First, analysis is compared to the vision signal of input by the various video protocol database of foundation, matched；It is right
Vision signal is acquired；Devise frame of video double buffering A and B, by the way of the ping-pong operation to buffering area in video counts
Interlacing is carried out according to frame to turn line by line and bilinear interpolation algorithm, to meet IIDC's so as to which different video data frames is converted into
1024X768, frame frequency are 60Hz video format；The data of IIDC video formats are stored in the way of ping-pong operation afterwards slow
Rush area C or D；Finally view data is exported according to IIDC video formats from buffering area, it is achieved thereby that arriving IIDC video lattice
Formula 1024X768 resolution ratio, frame frequency are 60Hz conversion.
Realize that details is specific as follows：
A. detection of the design for various conventional video protocols (including RawRGB, BT.656, BT.709 and SMPTE273)
Module, detection module is by analyzing the time interval and blanking zone video data of full frame images expert's field sync signal
Changing rule, judges whether input video belongs to this kind of agreement；
B. the data of input video and control signal wire (HS, VS and DE) are respectively fed to each video protocols detection module,
If certain agreement matches input video, the detection module of this kind of agreement produces high level enable signal CE, driven corresponding to it
Acquisition module, while other protocol detection modules produce low level and video acquisition module corresponding at its rear end is in reset shape
State；
C. a multidiameter option switch controller is designed, using the CE of each video protocols detection module output as control signal
Amount, the video data stream of each video protocols acquisition module collection is input, and gating CE is collection video data corresponding to high level
Stream carries out follow-up caching and scaling processing operation；
D. double buffering A and B are designed, the valid pixel of the adjacent two field pictures continuously to arrive is cached, to buffering area A and B
Ping-pong operation is carried out, when current frame image is filled into buffering area A, the previous frame image cached in B is turned line by line using interlacing
And bilinear interpolation algorithm is converted into 1024X768 resolution sizes, and it is filled into and sends in buffering area C；In future time week
Phase, next frame image buffer storage is entered into buffering area B and bilinear interpolation processing is carried out to the picture frame in buffering area A and is stored in transmission
Buffering area D；
E. the video data in last double buffering in C and D is according to IIDC 1024X768 resolution ratio 60Hz frame-rate video lattice
Formula exports, so as to realize conversion of the input video to the 1024X768 resolution ratio 60Hz of IIDC video formats.
Claims (3)
- The automatic control system that video format more than 1. is changed to IIDC protocol videos form, it is characterised in that including：Protocol detection module, foundation have various video protocol database, analysis are compared to input video, is matched；Video acquisition module, the input video that collection matching determines；Switch controller, using the match information that protocol detection module is drawn as control signal, control output video acquisition module The vision signal sent；Video data processing module, frame of video double buffering is provided with, to being sequentially stored into buffering area A by the way of ping-pong operation Interlacing is carried out with video data frame in buffering area B to turn line by line and bilinear interpolation algorithm, so as to by different video data frames It is converted into the data of IIDC video formats；The data of IIDC video formats are sequentially stored into buffering in the way of ping-pong operation again Area C and buffering area D；Control module is sent, the video data in buffering area C and buffering area D is exported according to IIDC video formats；Various video agreement is provided with corresponding detection unit, the video acquisition module in the protocol detection module In be provided with and the one-to-one collecting unit of these detection units；The data and control signal wire of input video are respectively fed to each detection unit, if certain video protocols matches input video, The detection unit for then corresponding to this kind of agreement produces high level enable signal CE, drives corresponding in the video acquisition module adopt Collect unit, while other detection units produce low level and collecting unit corresponding to its rear end is in reset state；The switch controller is specifically a multidiameter option switch controller, using the CE of each detection unit output as control signal Amount, the video data stream of each collecting unit collection is to input, and gating CE is after video data stream progress is gathered corresponding to high level Continuous caching.
- 2. automatic control system according to claim 1, it is characterised in that：Each detection unit is complete by analyzing one The time interval of whole two field picture expert field sync signal and the changing rule of blanking zone video data, judge whether input video belongs to In certain video protocols.
- 3. automatic control system according to claim 1, it is characterised in that：Buffering area A and buffering area B cachings are continuous to arrive Adjacent two field pictures valid pixel, ping-pong operation is carried out to buffering area A and buffering area B, current frame image is filled into slow When rushing area A, the previous frame image cached in buffering area B is turned line by line using interlacing and bilinear interpolation algorithm is converted into 1024X768 resolution sizes, and be filled into and send in buffering area C；In subsequent time period, next frame image buffer storage is entered slow Rush area B and carry out bilinear interpolation processing to the picture frame in buffering area A and be stored in send buffering area D；Final buffer area C eases up The video data rushed in area D exports according to IIDC 1024X768 resolution ratio 60Hz frame-rate videos form.
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| CN108024033B (en) * | 2017-11-24 | 2020-06-09 | 中国航空工业集团公司西安航空计算技术研究所 | Video image sending circuit based on ARINC818 protocol |
| CN108174139A (en) * | 2017-12-20 | 2018-06-15 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of different video format conversion method |
| CN112153353B (en) * | 2020-11-25 | 2021-04-09 | 南京创科信息科技有限公司 | Video resource integration and protocol conversion system based on emergency scene |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796004A (en) * | 2014-02-13 | 2014-05-14 | 西安交通大学 | Active binocular depth sensing method of structured light |
| CN104717446A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method for automatically converting videos of multiple formats to video of ITU 656 protocol PAL format |
| CN104717444A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method of automatically converting video of multiple formats to VESA (Video Electronics Standards Association)-protocol 1920*1440-resolution 75Hz-frame rate video |
| CN104717442A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method of automatically converting video of multiple formats to VESA (Video Electronics Standards Association)-protocol 1600*1200-resolution 60Hz-frame rate video |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090086023A1 (en) * | 2007-07-18 | 2009-04-02 | Mccubbrey David L | Sensor system including a configuration of the sensor as a virtual sensor device |
-
2015
- 2015-12-11 CN CN201510924318.3A patent/CN105430297B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717446A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method for automatically converting videos of multiple formats to video of ITU 656 protocol PAL format |
| CN104717444A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method of automatically converting video of multiple formats to VESA (Video Electronics Standards Association)-protocol 1920*1440-resolution 75Hz-frame rate video |
| CN104717442A (en) * | 2013-12-12 | 2015-06-17 | 中国航空工业集团公司第六三一研究所 | Method of automatically converting video of multiple formats to VESA (Video Electronics Standards Association)-protocol 1600*1200-resolution 60Hz-frame rate video |
| CN103796004A (en) * | 2014-02-13 | 2014-05-14 | 西安交通大学 | Active binocular depth sensing method of structured light |
Non-Patent Citations (2)
| Title |
|---|
| An Improved Access Control Systmem DCAM Based on GSI;Xuesong Yang; Shuwen Wang;《2011 International Conference on Electronics, Communications and Control (ICECC)》;20111231;全文 * |
| 面向机器视觉系统的CCD数字相机设计;王伙荣;《中国优秀硕士学位论文全文数据库 信息科技辑》;20090115(第01期);全文 * |
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