CN101909154A - Intelligent camera device - Google Patents
Intelligent camera device Download PDFInfo
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- CN101909154A CN101909154A CN 201010250986 CN201010250986A CN101909154A CN 101909154 A CN101909154 A CN 101909154A CN 201010250986 CN201010250986 CN 201010250986 CN 201010250986 A CN201010250986 A CN 201010250986A CN 101909154 A CN101909154 A CN 101909154A
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Abstract
The invention relates to an intelligent camera device, which comprises a sensor, wherein the sensor is in signal connection with an A/D converter; the A/D converter is in signal connection with a field programmable gate array (FPGA); and the FPGA is in signal connection with a first microprocessor and a second microprocessor respectively. The intelligent camera device provided by the invention adopts a high-speed parallel data processing method, so that a plurality of microprocessors can simultaneously acquire an identical image video source. The microprocessors share out the work and cooperate with one another to finish required computation, so that the intelligent camera device realizes all the functions of image acquisition, compression and video analysis, along with high reliability, no need of arranging additional equipment and low cost.
Description
Technical field
The present invention relates to electronic technology field, specifically be meant the intelligent camera device that is used for electronic police system.
Background technology
At present, the smart camera device that is used for electronic police system, substantially be by a transducer, a FPGA (Field-Programmable Gate Array, be field programmable gate array), microprocessor forms, to a certain extent, satisfied the requirement of electronic police system image candid photograph with graphical analysis.But its shortcoming is a function singleness, and image/video compression or image/video analytic function are generally only arranged.Can not carry out image/video compression and image/video analysis simultaneously.Need to adopt in addition industrial computer or other special image analyzing and processing equipment, can satisfy application requirements, therefore, cause the overall cost of this electronic police system very high.。
Summary of the invention
Main purpose of the present invention provides a kind of intelligent camera device, can finish the repertoire of IMAQ, compression and analysis.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of intelligent camera device, comprise transducer, described sensor signal connects A/D converter, and described A/D converter signal connects FPGA, and described FPGA divides level signal to connect the first microprocessor and second microprocessor, wherein:
Described transducer is used to obtain image/video, and described image/video is outputed to described A/D converter with the form of analog signal;
Described A/D converter is used to receive the analog signal that described transducer sends over, and is that digital signal outputs to described FPGA with described analog signal conversion;
Described FPGA is used to receive described digital signal, and is the digital image video signal with described Digital Signal Processing, and described image video signal is sent to the described first microprocessor and second microprocessor respectively;
Described first microprocessor is used to obtain described image video signal, carries out analyzing and processing according to described image video signal, and the described image video signal after described second microprocessor sends processing by analysis;
Described second microprocessor, be used for from described FPGA obtain described without analyzing and processing image video signal and obtain described image video signal after handling by analysis from described first microprocessor, the described image video signal that obtains is compressed processing.
Preferably, described intelligent camera device also comprises the 3rd microprocessor and memory, and described the 3rd microprocessor connects described second microprocessor, and described memory connects described the 3rd microprocessor, wherein:
Described second microprocessor is used for the image video signal after the described compression processing is sent to described the 3rd microprocessor;
Described the 3rd microprocessor is used to receive the image video signal after described compression is handled, and the image video signal after described compression handled sends to described memory and stores.
Preferably, described transducer connects described A/D converter by bus signals, described A/D converter connects FPGA by bus signals, described FPGA connects described first microprocessor, second microprocessor by bus signals respectively, and described second microprocessor connects described first microprocessor and the 3rd microprocessor by bus signals respectively.
Implement technical scheme of the present invention, have following beneficial effect: intelligent camera device provided by the invention, the method for employing high-speed parallel data processing makes a plurality of microprocessors can obtain identical image/video source simultaneously.Each microprocessor division of labor is cooperated again, to finish needed computing.Thereby make this intelligent camera device finish the repertoire of IMAQ, compression, video analysis, the reliability height need not to increase in addition equipment, and cost is low.
Description of drawings
The structure principle chart of the intelligent camera device that Fig. 1 provides for the embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of intelligent camera device, as shown in Figure 1, this camera apparatus comprises camera lens 101, transducer 102, described transducer 102 signals connect A/D converter 103, and described A/D converter 103 signals connect FPGA 104, and 104 fens level signals of described FPGA connect the first microprocessor 105 and second microprocessor 106, in the preferred embodiment, described transducer 102 is ccd sensor (Charge Coupled Device, a CCD imageing sensor), wherein:
Described transducer 102 is used to obtain image/video, and described image/video is outputed to described A/D converter 103 with the form of analog signal; Described transducer 102 is by the extraneous light of camera lens sensitization, is that electric charge is preserved with the transform light energy of described light, and described electric charge become the analog signal of graphics video.
Described A/D converter 103 is used to receive the analog signal that described transducer 104 sends over, and is that digital signal outputs to described FPGA 104 with described analog signal conversion;
Described FPGA 104 is used to receive described digital signal, and is the digital image video signal with described Digital Signal Processing, and described digital image video signal is sent to the described first microprocessor 105 and second microprocessor 106 respectively;
Described first microprocessor 105 is used to obtain described digital image video signal, carries out analyzing and processing according to described digital image video signal, and the described digital image video signal after described second microprocessor 106 sends processing by analysis; As: this first microprocessor 105 carries out motion detection analysis and car plate discriminance analysis, and analysis result is sent to second microprocessor 106.
Described second microprocessor 106, be used for from described FPGA 104 obtain described without analyzing and processing the digital image video signal and obtain described digital image video signal after handling by analysis from described first microprocessor 105, the described image video signal that obtains is compressed processing.
Further among the embodiment, described intelligent camera device also comprises the 3rd microprocessor 107 and memory 107, and described the 3rd microprocessor 107 connects described second microprocessor 106, and described memory 108 connects described the 3rd microprocessor 107, wherein:
Described second microprocessor 106 is used for the image video signal after the described compression processing is sent to described the 3rd microprocessor 107; This second microprocessor 106 directly obtains the digital image video signal from FPGA 104, and this digital image video Signal Compression of obtaining from FPGA 104 is the video flowing of form H.264, then this video flowing is sent to the 3rd microprocessor 107 by bus.Second processor 106 also receives the digital image video signal after the handling by analysis of these first microprocessor 105 transmissions, digital image video signal after this is handled by analysis compresses, with particular frame boil down to LPEG format-pattern, the digital image video signal after this being handled by analysis again, also compressing sends to the 3rd microprocessor 107.
This second microprocessor 106 also receives the analysis result that first microprocessor 105 sends over, and this analysis result is sent to the 3rd microprocessor 107.
Described the 3rd microprocessor 107 is used to receive the image video signal after described compression is handled, and the image video signal after described compression handled sends to described memory 108 and stores.The 3rd microprocessor 107 also receives the analysis result that second microprocessor 106 sends over.
In the above-described embodiments, described transducer 102 connects described A/D converter 103 by bus signals, described A/D converter 103 connects FPGA 104 by bus signals, described FPGA 104 connects described first microprocessor 105, second microprocessor 106 by bus signals respectively, and described second microprocessor 106 connects described first microprocessor 105 and the 3rd microprocessor 107 by bus signals respectively.
Function, the performance of the intelligent camera device that the foregoing description provides are powerful, reliable and stable.Method by the high-speed parallel data processing, make a plurality of microprocessors can obtain identical video source, a plurality of microprocessors are shared out the work and helped one another processing such as carrying out multinomial operational analysis compression, finish the repertoire that the electronic police system smart camera needs, can be widely used in electronic police system.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an intelligent camera device comprises transducer, it is characterized in that, described sensor signal connects A/D converter, and described A/D converter signal connects FPGA, and described FPGA divides level signal to connect the first microprocessor and second microprocessor, wherein:
Described transducer is used to obtain image/video, and described image/video is outputed to described A/D converter with the form of analog signal;
Described A/D converter is used to receive the analog signal that described transducer sends over, and is that digital signal outputs to described FPGA with described analog signal conversion;
Described FPGA is used to receive described digital signal, and is the digital image video signal with described Digital Signal Processing, and described image video signal is sent to the described first microprocessor and second microprocessor respectively;
Described first microprocessor is used to obtain described image video signal, carries out analyzing and processing according to described image video signal, and the described image video signal after described second microprocessor sends processing by analysis;
Described second microprocessor, be used for from described FPGA obtain described without analyzing and processing image video signal and obtain described image video signal after handling by analysis from described first microprocessor, the described image video signal that obtains is compressed processing.
2. intelligent camera device according to claim 1 is characterized in that also comprise the 3rd microprocessor and memory, described the 3rd microprocessor connects described second microprocessor, and described memory connects described the 3rd microprocessor, wherein:
Described second microprocessor is used for the image video signal after the described compression processing is sent to described the 3rd microprocessor;
Described the 3rd microprocessor is used to receive the image video signal after described compression is handled, and the image video signal after described compression handled sends to described memory and stores.
3. as intelligent camera device as described in the claim 2, it is characterized in that, described transducer connects described A/D converter by bus signals, described A/D converter connects FPGA by bus signals, described FPGA connects described first microprocessor, second microprocessor by bus signals respectively, and described second microprocessor connects described first microprocessor and the 3rd microprocessor by bus signals respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250986 CN101909154A (en) | 2010-08-11 | 2010-08-11 | Intelligent camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250986 CN101909154A (en) | 2010-08-11 | 2010-08-11 | Intelligent camera device |
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| CN101909154A true CN101909154A (en) | 2010-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708375A (en) * | 2012-04-18 | 2012-10-03 | 北方工业大学 | High-definition integrated license plate snapshot recognition equipment and method |
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| US20030080878A1 (en) * | 2001-10-30 | 2003-05-01 | Kirmuss Charles Bruno | Event-based vehicle image capture |
| CN2847411Y (en) * | 2005-11-24 | 2006-12-13 | 中国科学院自动化研究所 | Electronic police device |
| CN201035761Y (en) * | 2006-12-29 | 2008-03-12 | 王乃文 | Industry class electronic police device |
| CN201322994Y (en) * | 2008-12-25 | 2009-10-07 | 四川川大智胜软件股份有限公司 | Intelligent traffic digital monitor |
| CN101577050A (en) * | 2008-12-25 | 2009-11-11 | 四川川大智胜软件股份有限公司 | Intelligent traffic digital monitor and application thereof |
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2010
- 2010-08-11 CN CN 201010250986 patent/CN101909154A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030080878A1 (en) * | 2001-10-30 | 2003-05-01 | Kirmuss Charles Bruno | Event-based vehicle image capture |
| CN2847411Y (en) * | 2005-11-24 | 2006-12-13 | 中国科学院自动化研究所 | Electronic police device |
| CN201035761Y (en) * | 2006-12-29 | 2008-03-12 | 王乃文 | Industry class electronic police device |
| CN201322994Y (en) * | 2008-12-25 | 2009-10-07 | 四川川大智胜软件股份有限公司 | Intelligent traffic digital monitor |
| CN101577050A (en) * | 2008-12-25 | 2009-11-11 | 四川川大智胜软件股份有限公司 | Intelligent traffic digital monitor and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708375A (en) * | 2012-04-18 | 2012-10-03 | 北方工业大学 | High-definition integrated license plate snapshot recognition equipment and method |
| CN102708375B (en) * | 2012-04-18 | 2017-07-18 | 北方工业大学 | High-definition integrated license plate snapshot recognition equipment and method |
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Application publication date: 20101208 |