CN100463519C - Face feature video device - Google Patents
Face feature video device Download PDFInfo
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- CN100463519C CN100463519C CNB2006100245729A CN200610024572A CN100463519C CN 100463519 C CN100463519 C CN 100463519C CN B2006100245729 A CNB2006100245729 A CN B2006100245729A CN 200610024572 A CN200610024572 A CN 200610024572A CN 100463519 C CN100463519 C CN 100463519C
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Abstract
The invention discloses a face feature video device, comprising digital signal processing chip, and video I/O unit connected with digital signal processor through the video interface of the digital signal processing chip, where the video I/O unit comprises two video decoding chips and two video input interfaces and also comprises a loop circuit, and on the condition that the face feature video device is power-off, the monitoring system can still normally work. And the invention can obtain video information of monitored environment and clear video information of specific monitored objects at the same time, beneficial to accuracy and practicality of the monitoring system.
Description
Technical field
The present invention relates to a kind of video-unit, relate in particular to a kind of face feature video device.
Background technology
Current digital monitor system all is to be stored on the hard disk after original video flowing process video compression integrated circuit board or embedded digital video cassette recorder (Digital Video Recorder the is called for short DVR) compression.When needs are checked video recording, retrieve playback by monitoring software, to obtain Useful Information.Because the restriction of storage condition, current video compression algorithm all are the methods of the lossy compression method of employing, so original video flowing is compared with original video flowing through the video flowing that produces behind the Video Codec, image quality has very big loss.If the people's face on the video pictures is less, will finder's face during playback can be very smudgy, almost do not see the facial characteristics of people's face.
Existing digital monitor system often only connects one road video, when checking monitoring is recorded a video, though can from video recording, see monitored personnel's figure and features feature roughly, can not check crucial facial characteristics clearly, therefore be difficult to confirm the identity of monitored object by monitoring video.Because existing digital monitor system only connects one road video, when using this supervisory control system, can not carry out the synchronized video recording monitoring, and take panorama and then taken less than client's facial image clearly to bank counter teller and client in bank.In addition, bank generally is provided with an electronic display facing to the client at clerk counter, shows that the point of paper money counter exceeds the quata for the client of transacting business.But this counting is instantaneous, and after the client ran business well, when the shop assistant reused paper money counter, last position client's point exceeded the quata and will disappear.Because existing digital monitor system can not write down the face characteristic of monitored object clearly, the vision signal that can not monitor and preserve monitored object and environment simultaneously, especially to the scene of some backlight, not fogging clear problem is more outstanding.Therefore be difficult to as direct effective evidences, this has caused a lot of difficulties to public security organ or security department the carrying out of work and follow-up work of investigating, can cause some cases to track down or to decide on a verdict, cause very big loss for the country and people's property.
Summary of the invention
Technical problem to be solved by this invention provides a kind of face feature video device, not only can collect the clear video image of whole monitored scene, and can gather and store the human face photo clearly of personnel in the monitored scene simultaneously, and do not need to change on a large scale the control and monitoring that existing supervisory control system can increase supervisory control system.
For solving the problems of the technologies described above, the technical scheme of a kind of face feature video device of the present invention is, comprise digital signal processing chip, the video input-output unit that video port by digital signal processing chip is connected with digital signal processing chip, the external memory unit that exterior storage interface by digital signal processing chip is connected with digital signal processing chip, described digital signal processing chip comprises video port 1, video port 2, realize the universal input/output interface of toggle switch function, the RS232 serial ports, the exterior storage interface and and the ethernet medium access controller, the video port 1 external two-path video signal of digital signal processing chip, not only gather the vision signal of whole monitoring scene, personnel's human face photo clearly in the acquisition monitoring scene simultaneously, described video input-output unit comprises the video input interface A that is connected with video decoding chip A, the video input interface B that is connected with video decoding chip B, the video output interface that is connected with video coding chip, above-mentioned video decoding chip A and video decoding chip B are connected with the video port 1 of digital signal processing chip, video coding chip is connected with the video port 2 of digital signal processing chip, described external memory unit comprises synchronous dynamic random access memory, CPLD and flash memory, above-mentioned synchronous dynamic random access memory, CPLD and flash memory all are connected with digital signal processing chip by the exterior storage interface of digital signal processing chip.
The present invention passes through the video port 1 external two-path video signal of digital signal processing chip, the vision signal of not only gathering whole monitoring scene, and personnel's human face photo clearly in the acquisition monitoring scene helps the clear resolution of special object simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is a kind of face feature video device structural representation of the present invention;
Fig. 2 is an embodiment of the invention structural representation.
Wherein, 1 is video input interface A; 2 is video input interface B; 3 is video output interface; 4 is video decoding chip A; 5 is video decoding chip B; 6 is video coding chip; 7 is loop-through circuit; 8 is video port 1; 9 is video port 2; 10 is the ethernet medium access controller; 11 is universal input/output interface; 12 is digital signal processing chip; 13 is the RS232 serial ports; 14 is the exterior storage interface; 15 is CPLD; 16 is synchronous dynamic random access memory; 17 is flash memory.
Embodiment
As shown in Figure 1, a kind of face feature video device of the present invention, comprise a digital signal processing chip as Main Processor Unit, the video input-output unit that video port by digital signal processing chip is connected with digital signal processing chip, the external memory unit that exterior storage interface by digital signal processing chip is connected with digital signal processing chip, described digital signal processing chip comprises video port 1, video port 2, realize the universal input/output interface of toggle switch function, the RS232 serial ports, the exterior storage interface and and the ethernet medium access controller, the video port 1 external two-path video signal of digital signal processing chip, not only gather the vision signal of whole monitoring scene, personnel's human face photo clearly in the acquisition monitoring scene simultaneously, described video input-output unit comprises the video input interface A that is connected with video decoding chip A, the video input interface B that is connected with video decoding chip B, the video output interface that is connected with video coding chip, above-mentioned video decoding chip A and video decoding chip B are connected with the video port 1 of digital signal processing chip, video coding chip is connected with the video port 2 of digital signal processing chip, described external memory unit comprises synchronous dynamic random access memory, CPLD and flash memory, above-mentioned synchronous dynamic random access memory, CPLD and flash memory all are connected with digital signal processing chip by the exterior storage interface of digital signal processing chip.
The video input-output unit of a kind of face feature video device of the present invention also comprises loop-through circuit, this loop-through circuit comprises an input and two outputs, input is connected with video input interface B, and delivery outlet is connected with video decoding chip B and video coding chip respectively.Owing to added loop-through circuit, under the situation of face feature video device outage of the present invention, video input interface B is connected with video output interface, and supervisory control system still can operate as normal.
The GPIO module of above-mentioned digital signal processing chip DM642 realizes the functional module of toggle switch, the parameter when the face feature video device operation can be set.The RS232 serial ports of digital signal processing chip can connect paper money counter at needs for connecting the interface of paper money counter, and the video information of the counting volume of paper money counter is added on video pictures, and this video information is saved in hard disk with monitoring video.
As shown in Figure 2, the bank monitoring system that this utilizes a kind of face feature video device of the present invention comprises that face feature video device of the present invention, this face feature video device connect the two-way picture pick-up device respectively, and watch-dog.Above-mentioned two picture pick-up devices are connected with video decoding chip, decode and the two-path video signal is input to digital signal processing chip by video port 1 by video decoding chip and handle.In practical operation, the two-path video signal that connects video port 1 and video port 2 respectively can be respectively any two-path video signal in the video of the video of monitored environment, people's face video or paper money counter counting volume, and this two-path video input signal can be with one tunnel video superimpose to another road video, also can be chosen in wherein one road video and carry out people's face and detect when handling on another road video that detected people's face is added to.
A kind of face feature video device of the present invention, utilization inserts the two-path video signal on the video port 1 of digital signal processing chip, can obtain the monitoring environment and the video information of specifically monitored object clearly simultaneously, help the accuracy and the practicality of supervisory control system.And face feature video device of the present invention; can directly insert in the middle of the existing digital supervisory control system; need not the user and invest the reconstructing digital supervisory control system again on a large scale; both protect original investment on digital monitor system, promoted the safety precaution grade of current digital monitor system again.
Claims (5)
1. face feature video device, it is characterized in that, comprise digital signal processing chip, the video input-output unit that video port by digital signal processing chip is connected with digital signal processing chip, the external memory unit that exterior storage interface by digital signal processing chip is connected with digital signal processing chip, described digital signal processing chip comprises video port 1, video port 2, realize the universal input/output interface of toggle switch function, the RS232 serial ports, the exterior storage interface and and the ethernet medium access controller, the video port 1 external two-path video signal of digital signal processing chip, not only gather the vision signal of whole monitoring scene, personnel's human face photo clearly in the acquisition monitoring scene simultaneously, described video input-output unit comprises the video input interface A that is connected with video decoding chip A, the video input interface B that is connected with video decoding chip B, the video output interface that is connected with video coding chip, above-mentioned video decoding chip A and video decoding chip B are connected with the video port 1 of digital signal processing chip, video coding chip is connected with the video port 2 of digital signal processing chip, described external memory unit comprises synchronous dynamic random access memory, CPLD and flash memory, above-mentioned synchronous dynamic random access memory, CPLD and flash memory all are connected with digital signal processing chip by the exterior storage interface of digital signal processing chip.
2. face feature video device according to claim 1, it is characterized in that, described video input-output unit also comprises loop-through circuit, this loop-through circuit comprises an input and two outputs, input is connected with video input interface B, and delivery outlet is connected with video decoding chip B and video coding chip respectively.
3. face feature video device according to claim 1 and 2 is characterized in that, described RS232 serial ports is for connecting the interface of paper money counter.
4. face feature video device according to claim 1 and 2 is characterized in that, described digital signal processing chip is the DM642 of TI company.
5. face feature video device according to claim 3 is characterized in that, described digital signal processing chip is the DM642 of TI company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100245729A CN100463519C (en) | 2006-03-10 | 2006-03-10 | Face feature video device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100245729A CN100463519C (en) | 2006-03-10 | 2006-03-10 | Face feature video device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101035266A CN101035266A (en) | 2007-09-12 |
| CN100463519C true CN100463519C (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100245729A Expired - Fee Related CN100463519C (en) | 2006-03-10 | 2006-03-10 | Face feature video device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220471A (en) * | 2013-03-26 | 2013-07-24 | 苏州福丰科技有限公司 | Face video detection overlaying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428694A (en) * | 2001-12-29 | 2003-07-09 | 成都银晨网讯科技有限公司 | Embedded human face automatic detection equipment based on DSP and its method |
| CN2667571Y (en) * | 2003-10-27 | 2004-12-29 | 北京雷波泰克信息技术有限公司 | Fast multi-target human figures identification and tracking safety protection apparatus |
| CN1658670A (en) * | 2004-02-20 | 2005-08-24 | 上海银晨智能识别科技有限公司 | Intelligent tracking monitoring system with multi-camera |
-
2006
- 2006-03-10 CN CNB2006100245729A patent/CN100463519C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428694A (en) * | 2001-12-29 | 2003-07-09 | 成都银晨网讯科技有限公司 | Embedded human face automatic detection equipment based on DSP and its method |
| CN2667571Y (en) * | 2003-10-27 | 2004-12-29 | 北京雷波泰克信息技术有限公司 | Fast multi-target human figures identification and tracking safety protection apparatus |
| CN1658670A (en) * | 2004-02-20 | 2005-08-24 | 上海银晨智能识别科技有限公司 | Intelligent tracking monitoring system with multi-camera |
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| CN101035266A (en) | 2007-09-12 |
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Granted publication date: 20090218 Termination date: 20160310 |