CN101902608A - Adaptive conversion and display device of non-standard digital videos - Google Patents
Adaptive conversion and display device of non-standard digital videos Download PDFInfo
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- CN101902608A CN101902608A CN2009100671912A CN200910067191A CN101902608A CN 101902608 A CN101902608 A CN 101902608A CN 2009100671912 A CN2009100671912 A CN 2009100671912A CN 200910067191 A CN200910067191 A CN 200910067191A CN 101902608 A CN101902608 A CN 101902608A
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Abstract
The invention relates to an adaptive conversion and display device of non-standard digital videos, which comprises a video data level converting unit (1), an image acquiring and processing unit (2), a central processing unit (3), a data memory unit (4), a program memory unit (5) and a video display unit (6). The display device can realize the purposes of detecting, recognizing and displaying the parameters of a camera of which the resolution is 300000-10000000 pixels and the frame frequency is 30-1000fps. The processing and display of the image of the camera are realized in a system without an additional display device; the parameters of most of the current cameras with CameraLink interfaces can be recognized; and the cost of the device of the invention is only 1/5 of the cost of the existing device.
Description
Technical field
The present invention relates to a kind of non-standard digital videos self adaptation conversion and display unit, belong to the real-time Display Technique of the self adaptation non-standard digital videos field in video image processing and the demonstration field based on Camera Link camera.
Background technology
The high speed, high resolution digital camera is widely applied to every field.This kind camera major part all is equipped with Camera Link data-interface, and image need use equipment such as special image capture card, PC to realize when showing by Camera Link interface, inconvenient low-cost operation.And Camera Link also has the transmission range restriction.So can't realize the simple and easy real-time demonstration of camera image under a lot of occasions.Therefore, must make high-performance digital camera video not finish the simple and easy display device that the adjustment of unknown parameter camera image self adaptation is shown in real time under the situation by the traditional images display mode at one, reach under special circumstances the purpose of camera imaging quality inspection and experiment, make things convenient for the application research and development of camera technique.
The versatility aspect of the whole system of Chinese patent CN1402545A is relatively poor, mainly shows the real-time demonstration that can not realize the unknown parameters digital camera, and this system needs external conformable display could show output.
Summary of the invention
The Camera Link interface digital camera self adaptation adjustment that the present invention is directed to unknown parameter shows the problem of existence in real time, a kind of non-standard digital videos self adaptation conversion and display unit.This device does not need to join in addition display, and it is more convenient to use.
As shown in Figure 1, filled arrows is represented control signal, the hollow arrow designate data signal.
A kind of non-standard digital videos self adaptation conversion and display unit are made of video data level conversion unit 1, IMAQ and graphics processing unit 2, central processor unit 3, data memory unit 4, program memory cell 5, video display unit 6; Described video data level conversion unit 1, IMAQ are connected with central processor unit 3 in turn with graphics processing unit 2, and central processor unit 3 also is connected respectively with data memory unit 4, program memory cell 5 and video display unit 6;
Described IMAQ and graphics processing unit 2 are by interconnected initialization module 7, and controlling of sampling module 8 and ping-pong operation cache module 9 constitute; Initialization module 7 all is connected with video data level conversion unit 1 with controlling of sampling module 8; Initialization module 7 is responsible for the initialization of IMAQ and graphics processing unit 2, and controlling of sampling module 8 is responsible for the acquisition control of view data task, and ping-pong buffer module 9 is used for the buffer-stored of vedio data;
Video data level conversion unit 1 is converted to the picture signal that IMAQ and graphics processing unit 2 can be discerned with vision signal; IMAQ and graphics processing unit 2 begin to gather a two field picture, and a two field picture that will collect is stored in the ping-pong buffer module 9; When ping-pong buffer module 9 expired, IMAQ and graphics processing unit 2 produced and interrupt; Central processor unit 3 produces the various clock signals of control whole system each several part collaborative work, and central processor unit 3 response interrupt and start image reading program with the data read of ping-pong buffer module 9 in data memory unit 4, after data memory unit 4 receives a two field picture, central processor unit 3 calls image display program, data are sent into video display unit 6 demonstrations, and adopting adaptive algorithm to realize resolution is that 300,000～1,000 ten thousand pixels, frame frequency detect identification and demonstration at the camera parameter of 30～1000fps scope; The procedure stores of a kind of non-standard digital videos self adaptation conversion and display unit is in program memory cell 5.
Introduce combined with hardware below and introduce the program circuit shown in the accompanying drawing 2.
After system powers on, system initialization;
Whether system detects input signal effective, and when detecting the effective video signal, video data level conversion unit 1 is converted to the picture signal that IMAQ and graphics processing unit 2 can be discerned with vision signal;
IMAQ and graphics processing unit 2 begin to gather a two field picture, and a two field picture that will collect is stored in the ping-pong buffer module 9;
When ping-pong buffer module 8 was full, IMAQ produced with graphics processing unit 2 and interrupts, central processor unit 3 responses interrupt and the startup image reading program with the data read of ping-pong buffer module 9 in data memory unit 4;
After data memory unit 4 received a two field picture, central processor unit 3 called image display program, data is sent into video display unit 6 show.
Beneficial effect: a kind of non-standard digital videos self adaptation conversion of the present invention and display unit because image displaying part is incorporated in the system, make the application convenience of system stronger, for the processing of camera image and be presented in the system and realize in the lump.The camera signal connecting system directly shows, need not to join in addition display, and easy and simple to handle portable, cost is low; There is the adaptability of certain limit in system, can both discern for present existing its parameter of most of cameras, and highly versatile, with strong points, for the needs of camera applications under the special occasions and save R﹠D costs and have very great help.Fig. 3 is the contrast that tradition shows required cost and native system cost, and traditional camera image shows that need hardware supports such as image pick-up card, computer, cost is more than 10000 yuans; The circuit board that it is core that native system only needs with a processor and the combination of LCD just can realize that image shows 2000 yuan of cost less thaies.The weight of conventional image display system is about 20kg, and native system weight is about 0.5kg.
Description of drawings
Fig. 1 is the formation schematic block diagram of a kind of non-standard digital videos self adaptation conversion and display unit.
Fig. 2 is the program flow diagram of a kind of non-standard digital videos self adaptation conversion and display unit.
Fig. 3 is the comparison diagram for the cost of conventional display device and conversion of a kind of non-standard digital videos self adaptation and display unit.
Embodiment
Embodiment 1 as shown in Figure 1, filled arrows is represented control signal, the hollow arrow designate data signal.A kind of non-standard digital videos self adaptation conversion and display unit are made of video data level conversion unit 1, IMAQ and graphics processing unit 2, central processor unit 3, data memory unit 4, program memory cell 5 and video display unit 6; Described video data level conversion unit 1, IMAQ are connected with central processor unit 3 in turn with graphics processing unit 2, and central processor unit 3 also is connected respectively with data memory unit 4, program memory cell 5 and video display unit 6;
Described IMAQ and graphics processing unit 2 are by interconnected initialization module 7, and controlling of sampling module 8 and ping-pong operation cache module 9 constitute; Initialization module 7 all is connected with video data level conversion unit 1 with controlling of sampling module 8; Initialization module 7 is responsible for the initialization of IMAQ and graphics processing unit 2, and wherein controlling of sampling module 8 is responsible for the acquisition control of view data task, and ping-pong buffer module 9 is used for the buffer-stored of vedio data;
Video data level conversion unit 1 is converted to the picture signal that IMAQ and graphics processing unit 2 can be discerned with vision signal; IMAQ and graphics processing unit 2 begin to gather a two field picture, and a two field picture that will collect is stored in the ping-pong buffer module 9; When ping-pong buffer module 9 expired, IMAQ and graphics processing unit 2 produced and interrupt; Central processor unit 3 produces the various clock signals of control whole system each several part collaborative work, and central processor unit 3 response interrupt and start image reading program with the data read of ping-pong buffer module 9 in data memory unit 4, after data memory unit 4 receives a two field picture, central processor unit 3 calls image display program, data are sent into video display unit 6 demonstrations, and adopting adaptive algorithm to realize resolution is that 300,000～1,000 ten thousand pixels, frame frequency detect identification and demonstration at the camera parameter of 30～1000fps scope; The procedure stores of a kind of non-standard digital videos self adaptation conversion and display unit is in program memory cell 5.
Described video data level conversion unit 1 adopts DS90CR288A, central processor unit 3 adopts Intel PXA255, data memory unit 4 adopts the K4S561632E-TC75 of SAMSUNG company, program processor unit 5 adopts the 3V StrataFlash TM memory E28F128J3A of Intel Company, and video display unit 6 adopts the TFT6448-8 that shows Science and Technology Ltd. in the Wuhan; Module 7 is selected the EPCS1N of configuring chip Altera for use, and controlling of sampling module 8 is selected the EP2C8Q208CN of Altera for use, and ping-pong operation cache module 9 is selected the IS61LV51216 of ISSI for use; Among the procedure stores E28F128J3A of system.
Introduce combined with hardware below and introduce the program circuit shown in the accompanying drawing 2.
After system powers on, be written into the EP2C8Q208CN initialization by the EPCS1N data, the E28F128J3A data are written into Intel PXA255 initialization, whether system detects input signal effective, when detecting the effective video signal, DS90CR288A is converted to the picture signal that EP2C8Q208CN can discern with vision signal, IMAQ and graphics processing unit 2 begin to gather a two field picture, and a two field picture that will collect is stored among the IS61LV51216, when IS61LV51216 is full, IMAQ and graphics processing unit 2 produce and interrupt, IntelPXA255 response interrupt and start image reading program with the data read among the IS61LV51216 in K4S561632E-TC75, after K4S561632E-TC75 received a two field picture, Intel PXA255 called image display program, data is sent into TFT6448-8 show.
Claims (1)
1. a non-standard digital videos self adaptation is changed and display unit, it is characterized in that it is made of video data level conversion unit (1), IMAQ and graphics processing unit (2), central processor unit (3), data memory unit (4), program memory cell (5) and video display unit (6); Described video data level conversion unit (1), IMAQ are connected with central processor unit (3) in turn with graphics processing unit (2), and central processor unit (3) also is connected respectively with data memory unit (4), program memory cell (5) and video display unit (6);
Described IMAQ and graphics processing unit (2) are made of initialization module (7), controlling of sampling module (8) and ping-pong operation cache module (9); Initialization module (7) all is connected with video data level conversion unit (1) with controlling of sampling module (8); Initialization module (7) is responsible for the initialization of IMAQ and graphics processing unit (2), and wherein controlling of sampling module (8) is responsible for the acquisition control of view data task, and ping-pong buffer module (9) is used for the buffer-stored of vedio data;
Video data level conversion unit (1) is converted to the picture signal that IMAQ and graphics processing unit (2) can be discerned with vision signal; IMAQ and graphics processing unit (2) begin to gather a two field picture, and a two field picture that will collect is stored in the ping-pong buffer module (9); When ping-pong buffer module (9) was full, IMAQ and graphics processing unit (2) produced and interrupt; Central processor unit 3 produces the various clock signals of control whole system each several part collaborative work, and central processor unit (3) response interrupt and start image reading program with the data read of ping-pong buffer module (9) in data memory unit (4), after data memory unit (4) receives a two field picture, central processor unit (3) calls image display program, data are sent into video display unit (6) show, adopting adaptive algorithm to realize resolution is 300,000～1,000 ten thousand pixels, frame frequency detects identification and demonstration at the camera parameter of 30～1000fps scope; The procedure stores of a kind of non-standard digital videos self adaptation conversion and display unit is in program memory cell (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100671912A CN101902608B (en) | 2009-06-30 | 2009-06-30 | Adaptive conversion and display device of non-standard digital videos |
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| CN2009100671912A CN101902608B (en) | 2009-06-30 | 2009-06-30 | Adaptive conversion and display device of non-standard digital videos |
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| CN101902608A true CN101902608A (en) | 2010-12-01 |
| CN101902608B CN101902608B (en) | 2012-07-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618697A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院光电技术研究所 | FPGA-based full-configuration Camera link optical fiber real-time image optical transceiver |
| CN106528449A (en) * | 2016-10-13 | 2017-03-22 | 中国船舶工业系统工程研究院 | Data core processing system applied to marine geophysical prospecting |
| CN109299030A (en) * | 2018-09-10 | 2019-02-01 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183759C (en) * | 2001-12-06 | 2005-01-05 | 中国科学院长春光学精密机械与物理研究所 | Picture system exchange display system |
| US8952974B2 (en) * | 2006-04-20 | 2015-02-10 | Cisco Technology, Inc. | Latency reduction in a display device |
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2009
- 2009-06-30 CN CN2009100671912A patent/CN101902608B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618697A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院光电技术研究所 | FPGA-based full-configuration Camera link optical fiber real-time image optical transceiver |
| CN104618697B (en) * | 2015-01-28 | 2017-11-24 | 中国科学院光电技术研究所 | FPGA-based full-configuration Camera link optical fiber real-time image optical transceiver |
| CN106528449A (en) * | 2016-10-13 | 2017-03-22 | 中国船舶工业系统工程研究院 | Data core processing system applied to marine geophysical prospecting |
| CN106528449B (en) * | 2016-10-13 | 2019-10-22 | 中国船舶工业系统工程研究院 | A kind of data core processing system applied to marine geophysical prospecting |
| CN109299030A (en) * | 2018-09-10 | 2019-02-01 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
| CN109299030B (en) * | 2018-09-10 | 2019-06-11 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
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| CN101902608B (en) | 2012-07-18 |
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