CN2550855Y - Video frequency traffic parameter detector - Google Patents
Video frequency traffic parameter detector Download PDFInfo
- Publication number
- CN2550855Y CN2550855Y CN 02275601 CN02275601U CN2550855Y CN 2550855 Y CN2550855 Y CN 2550855Y CN 02275601 CN02275601 CN 02275601 CN 02275601 U CN02275601 U CN 02275601U CN 2550855 Y CN2550855 Y CN 2550855Y
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- CN
- China
- Prior art keywords
- circuit
- integrated circuit
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- video
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Traffic Control Systems (AREA)
- Image Processing (AREA)
Abstract
The utility model relates to a video traffic parameter detector which comprises a camera (1) and a computer (4), wherein the output end of the camera (1) is connected with a video processing card (2), the video processing card (2) is inserted into a PCI slot of a work control machine (3) into a whole, and the work control machine (3) is connected with the computer (4). The video processing card (2) is provided with a synchronous separating circuit (5) of which the input end is connected with the output end of the camera (1). The output end of the synchronous separating circuit (5) is connected with a virtual coil generating and data processing circuit (7), and the input end of an A/D converting circuit (6) which is provided is connected with the output end of the camera (1); the output video signal of the A/D converting circuit (6) is connected with a preprocessing circuit (8), and the output ends of the circuits (7, 8) are connected with the data processing circuit (9). The output end of the data processing circuit (9) is connected with the work control machine (3) through an interface circuit (10).
Description
Technical field:
The utility model is relevant with the device of inspection vehicle flow, the speed of a motor vehicle, identification vehicle.
Technical background:
Existing adaptive vehicle detector (Granted publication CN2395353Y) obtains this regional scene image by one or more video camera that is arranged on traffic intersection or highway zone, vision signal is by the video algorithms amplifier, amplifier, comparer is made adaptive threshold and is detected, making binary image through logical circuit again handles, by the vehicle characteristics signal that virtual coil selects binaryzation is set, again this signal is done the signal normalization through multivibrator and handle the signal that obtains characterizing vehicle, this signal handles by microcontroller again and computing just obtains vehicle flowrate, the speed of a motor vehicle, vehicle, roadway occupancy, vehicle traffic datas such as traffic congestion length.This device adopts the simulation adaptive mode.
The content of utility model:
The purpose of this utility model provides a kind of simple in structure, and cost is low, and communication is convenient, can the phase internet can be to the video traffic parameter detection device of parameter detecting such as vehicle flowrate, vehicle classification and road speed.
The utility model is achieved in that
The utility model video traffic parameter detection device, comprise video camera (1) and computing machine (4), the output of video camera (1) is connected with Audio and Video Processing Card (2), Audio and Video Processing Card (2) inserts interior and its formation one of PCI groove of industrial computer (3), industrial computer (3) is connected with computing machine (4), Audio and Video Processing Card (2) has its input of synchronizing separator circuit (5) to be connected with the output of video camera (1), its output produces with virtual coil and data processing circuit (7) is connected, A/D change-over circuit (6) is arranged, its input is connected with the output of video camera (1), its outputting video signal is connected with pre-process circuit (8), circuit (7,8) output is connected with data processing circuit (9), and the output of data processing circuit (9) is connected with industrial computer (3) by interface circuit (10).
Synchronizing separator circuit is an integrated circuit (IC)
5, the A/D change-over circuit is an integrated circuit (IC)
4, virtual coil generation and data processing circuit (7) and video preprocessor treatment circuit (8) are all in integrated circuit (IC)
1In, data processing circuit (9) is an integrated circuit (IC)
3, interface circuit is an integrated circuit (IC)
2, industrial computer (3) is CZ
3, integrated circuit (IC)
52 pin connect the output of video camera (1), 1 pin and 3 pin connect integrated circuit (IC)
1197,206 pin, integrated circuit (IC)
412 pin connect the output terminal of video camera (1), 3,4,5,6,7,8,9,10 pin connect integrated circuit (IC)
1179,180,182,189,190,192,193,194 pin, integrated circuit (IC)
13 pin connect display, its data bus and address bus connect integrated circuit (IC)
3P
0, P
2Mouth and integrated circuit (IC)
2The 5-24 pin.
Integrated circuit (IC)
1Be XC2S200, IC
2Be IDT7132, IC
3Be 80DSC320, IC
4Be TLC5510, IC
5Be LM1881.
Industrial computer (3) is connected with computing machine (4) by serial ports or Ethernet.
Work of PCI groove and industrial computer that the utility model has a non-compression video transaction card that oneself designs and produces to be inserted into industrial computer form an integral body.Simple in structure, with low cost.
Owing to be that card inserts industrial computer inside, obtain very big convenience in communication aspects, directly utilize industrial computer to communicate by letter with central computer.
The utility model adopts the industrial computer structure, and therefore, the utility model can the phase internet, also can with server communication, networking mode has serial ports and Ethernet dual mode.
The virtual coil that the utility model technology is produced can be finished and follow the tracks of the function that detects target.
The utility model current collection view measurement technology, adaptive technique have realized that in one non-cpntact measurement, adaptive targets extract, the real-time Transmission picture signal; Overcome in the existing checkout equipment, adopted the multiple shortcoming of ground buried coil line, avoided road pavement to damage etc., and can eliminate the automobile shade as metering system, and can operate as normal in various environment.
Description of drawings:
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment:
The utility model is a kind of novel intelligent transportation checkout equipment, is used for the detection management system on urban traffic intersection or the fastlink.As sensor, realize non-contact detecting with video camera.From the vision signal of video camera, through pre-service, self-adapting detecting converts the binary picture image signal to, after choosing through virtual coil, obtains the relevant multiple signal that characterizes vehicle, at last by data processor processes again.Traffic data signals such as output vehicle flowrate, vehicle classification, the speed of a motor vehicle, and in the visual field tracking target vehicle.
The vision signal of video camera is divided into two-way: the one tunnel send IC
5Produce field, line synchronizing signal; IC is sent on another road behind A/D converter
1Finish Video signal processing.
One the tunnel delivers to IC
52 pin, produce line synchronizing signal and field sync signal, these two signals are sent into programmable chip IC
1In, produce virtual coil and the data in the virtual coil are handled.
IC is sent on another road of vision signal
412 pin of (A/D converter) become digital signal with analog signal conversion, send into IC
1Finish the vision signal Feature Extraction in (FPGA device), again by microprocessor IC
3Data are calculated and handled, and parameter etc. is set.
Programmable chip IC
1, at first with IC
51 pin and the field sent here of 3 pin, row signal be benchmark, by inside programming, produce virtual coil vertical, horizontal direction, utilize virtual coil to IC then
4The digital signal of sending here is carried out vision signal feature extraction and data processing etc., by IC
1Data bus and address bus give IC
3The P of data processor
0Mouth and P
2Mouthful, also send virtual coil display to show through capacitive coupling simultaneously.
Processor IC
3, by P
0Mouth and P
2Mouth receives IC
1The data of sending here are discerned once more, calculate, are judged by software, and treated data are by twoport IC
2Send CZ
3(PCI of industrial computer) sends the data that obtain to computer center by industrial computer again, obtains parameters such as needed vehicle flowrate, vehicle classification, car speed, and virtual coil can also be followed the tracks of the target that is detected.
The utility model chip IC
1Be XC2S200, IC
2Be IDT7132, IC
3Be DS80C320, IC
4Be TLC5510, IC
5Be LM1881.
Claims (4)
1, the video traffic parameter detection device, comprise video camera (1) and computing machine (4), the output that it is characterized in that video camera (1) is connected with Audio and Video Processing Card (2), Audio and Video Processing Card (2) inserts interior and its formation one of PCI groove of industrial computer (3), industrial computer (3) is connected with computing machine (4), Audio and Video Processing Card (2) has its input of synchronizing separator circuit (5) to be connected with the output of video camera (1), its output produces with virtual coil and data processing circuit (7) is connected, A/D change-over circuit (6) is arranged, its input is connected with the output of video camera (1), its outputting video signal is connected with pre-process circuit (8), circuit (7,8) output is connected with data processing circuit (9), and the output of data processing circuit (9) is connected with industrial computer (3) by interface circuit (10).
2, pick-up unit according to claim 1 is characterized in that synchronizing separator circuit is an integrated circuit (IC)
5, the A/D change-over circuit is an integrated circuit (IC)
4, virtual coil generation and data processing circuit (7) and video preprocessor treatment circuit (8) are all in integrated circuit (IC)
1In, data processing circuit (9) is an integrated circuit (IC)
3, interface circuit is an integrated circuit (IC)
2, the PCI groove of industrial computer (3) is CZ
3, integrated circuit (IC)
52 pin connect the output terminal of video camera (1), 1 pin and 3 pin connect integrated circuit (IC)
1197,206 pin, integrated circuit (IC)
412 pin connect the output of video camera (1), 3,4,5,6,7,8,9,10 pin connect integrated circuit (IC)
1179,180,182,189,190,192,193,194 pin, integrated circuit (IC)
13 pin connect display, its data bus and address bus connect integrated circuit (IC)
3P
0, P
2Mouth and integrated circuit (IC)
2The 5-24 pin.
3, pick-up unit according to claim 1 is characterized in that integrated circuit (IC)
1Be XC2S200, IC
2Be IDT7132, IC
3Be DS80C320, IC
4Be TLC5510, IC
5Be LM1881.
4, pick-up unit according to claim 1 is characterized in that industrial computer (3) is connected with computing machine (4) by serial ports or Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275601 CN2550855Y (en) | 2002-07-05 | 2002-07-05 | Video frequency traffic parameter detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275601 CN2550855Y (en) | 2002-07-05 | 2002-07-05 | Video frequency traffic parameter detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550855Y true CN2550855Y (en) | 2003-05-14 |
Family
ID=33739612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02275601 Expired - Fee Related CN2550855Y (en) | 2002-07-05 | 2002-07-05 | Video frequency traffic parameter detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550855Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833859A (en) * | 2010-05-14 | 2010-09-15 | 山东大学 | Self-triggering license plate identification method based on virtual coil |
| CN102364532A (en) * | 2011-09-23 | 2012-02-29 | 无锡艾德里安科技有限公司 | Static video surveillance alarm system |
-
2002
- 2002-07-05 CN CN 02275601 patent/CN2550855Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833859A (en) * | 2010-05-14 | 2010-09-15 | 山东大学 | Self-triggering license plate identification method based on virtual coil |
| CN101833859B (en) * | 2010-05-14 | 2012-05-23 | 山东大学 | Self-triggering license plate identification method based on virtual coil |
| CN102364532A (en) * | 2011-09-23 | 2012-02-29 | 无锡艾德里安科技有限公司 | Static video surveillance alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU SHENGANGLUTONG SCIENCE CO., LTD. Free format text: FORMER NAME OR ADDRESS: CHENGDU SHENGANG MONITORING TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. two, unit 6, Yangcheng building, No. 1201, Heng Jie bridge, Sichuan, Chengdu, Wuhou District: 610041 Patentee after: Chengdu Shengang Lutong Technology Co.,Ltd. Address before: No. 123, Section 1, West Ring Road, Chengdu, Sichuan Province, China: 610072 Patentee before: Shengang Monitoring and controlling Tech. Co., Ltd., Chengdu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030514 Termination date: 20090705 |