CN204833294U - People's face retrieval recognition device - Google Patents
People's face retrieval recognition device Download PDFInfo
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- CN204833294U CN204833294U CN201520340728.9U CN201520340728U CN204833294U CN 204833294 U CN204833294 U CN 204833294U CN 201520340728 U CN201520340728 U CN 201520340728U CN 204833294 U CN204833294 U CN 204833294U
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- face retrieval
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Abstract
The utility model provides a people's face retrieval recognition device, relates to an intelligent security recognition device, and the device realizes video image's face detection with the digital signal processor DSP chip, and the structure includes stand, camera, the image signal processing circuit board of the headstock of making a video recording, the external shell of cabinet and the internal portion of cabinet. Side -mounting LCD, audible and visual alarm, network interface RJ45 and a serial interface RS232 of the external shell of cabinet, antenna and column mouting are on host computer upper portion, the camera is installed through the headstock of making a video recording in the stand top, makes a video recording and can rotate between the headstock and the stand. The camera of setting is convenient rotatory, has broken away from the fixed position obtain information's of single -phase machine limitation, has improved face identification's convenience, because DSP's data signal processing technique has realized the detection of people's face, can recognise people's face characteristic high efficiency, more can satisfy the demand of policeman law enforcement, detects weak point consuming time, and detection efficiency is high.
Description
Technical field
The utility model relates to a kind of intelligent and safe recognition device, particularly relates to a kind of face retrieval recognition device.
Background technology
, there is the problem that the bad persons such as indivedual thieves frequently patronize in the crowded places such as current market or bank, essentially by public security officer's artificial cognition, there is careless omission hidden danger, be directly connected to the person and the property safety problem of crowd.
Summary of the invention
The purpose of this utility model is to provide a kind of face retrieval recognition device, and this device achieves the detection of face based on the Digital Signal Processing of DSP, arranges rotating camera, improves the convenience of recognition of face; Face characteristic can be identified quickly and efficiently, meet the demand of law enforcement checking.
The purpose of this utility model is achieved through the following technical solutions:
A kind of face retrieval recognition device, comprises the imaging signal processing circuit plate of column, camera, the shooting headstock, cabinet shell and cabinet inside.Liquid crystal display, acoustic-optic alarm, network interface and serial line interface are installed in a side of described cabinet shell; Column is arranged on cabinet shell upper; Column top is provided with camera by the shooting headstock, can rotate between the shooting headstock and column.The imaging signal processing circuit plate of described cabinet inside comprises: digital signal processor DSP chip (model is TMS320DM642), power module, programmable logic device (PLD), Video Decoder, synchronous dynamic random access memory, FLASH memory, warning output driving circuit module, Video Decoder, physical interface transceiver, asynchronous receiving-transmitting transmitter, single supply level transferring chip.Described acoustic-optic alarm is can sounding and luminous warning device.
Described dsp chip TMS320DM642 exports driver module respectively by bus and FLASH memory, synchronous dynamic random access memory SDRAM, programmable logic device (CPLD), warning, video encoder SAA7105, asynchronous receiving-transmitting transmitter UART, physical interface transceiver PHY are connected; Video Decoder is connected with synchronous dynamic random access memory SDRAM by bus; Asynchronous receiving-transmitting transmitter UART is connected with single supply level transferring chip MAX232 by bus; Described power module is connected with dsp chip TMS320DM642 by power lead.Described Video Decoder is connected with camera with by the signal wire in column; Described warning exports driver module and is connected with acoustic-optic alarm; Described video encoder is connected with liquid crystal display by signal wire; Described physical interface transceiver PHY is connected with network interface RJ45 by signal wire; Described single supply level transferring chip MAX232 is connected with serial line interface RS232 interface by signal wire.
Principle of work of the present utility model is as follows:
Imaging signal processing circuit plate is formed primarily of digital signal processor DSP chip TMS320DM642.The image that thecamera head comes is input to video decoding chip SAA7115, analog video signal is carried out decoding and is converted to digital video signal by video decoding chip SAA7115, then control image acquisition by programmable logic device (CPLD), and decoded image signal is stored in synchronous dynamic random access memory SDRAM.After completing picture signal storage, programmable logic device (CPLD) sends the finish command to dsp chip TMS320DM642, by dsp chip TMS320DM642, face characteristic identification is carried out to picture signal in synchronous dynamic random access memory SDRAM, and characteristic is passed to the long-range PC of control terminal duty room in wireless network mode by network interface RJ45, facial image to be detected in characteristic and PC database contrasts, and PC passes to digital signal processor DSP comparing result.If facial image contrast coincide, digital signal processor DSP chip TMS320DM642 sends alerting signal by warning output driving circuit module, drives the acoustic-optic alarm of main frame outside; Meanwhile, identical data image signal is converted to analog picture signal by video coding chip SAA7105, outputs to liquid crystal display display.Serial line interface RS232 is connected with chip DSP with single supply level transferring chip MAX232 by asynchronous receiving-transmitting transmitter UART on circuit board, directly can be connected with PC and carry out data interaction.FLASH memory is used for storage program.
Advantage of the present utility model and effect are:
1. the face retrieval recognition device that provides of the utility model, the camera of setting is convenient to be rotated, and improves the convenience of recognition of face; Digital Signal Processing based on DSP achieves the detection of face, can identify face characteristic quickly and efficiently, more can meet the demand of police law execution, and detect consuming time short, detection efficiency is high.
2. the utility model has sensing range extensively based on the face retrieval recognition technology of digital signal processing, and obtaining information amount is large, and install and use flexibly, the advantages such as maintenance cost is low, have broad application prospects at public safety field.
Accompanying drawing explanation
Fig. 1 is the structural representation of face retrieval recognition device;
Fig. 2 is the circuit diagram of face retrieval device.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is described in detail.
In figure: 1 be acoustic-optic alarm for the shooting headstock, 2 cameras, 3 be column, 4,5 be cabinet shell, 6 be network interface, 7 serial line interfaces, 8 are liquid crystal display.
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1, the utility model provides a kind of face retrieval recognition device, comprises the shooting headstock 1, camera 2, column 3, acoustic-optic alarm 4, cabinet shell 5, network interface 6, serial line interface 7, liquid crystal display 8.
See Fig. 2, imaging signal processing circuit plate of the present utility model comprises: digital signal processor DSP chip (model is TMS320DM642), power module, programmable logic device (PLD), Video Decoder, synchronous dynamic random access memory, FLASH memory, warning output driving circuit module, Video Decoder, physical interface transceiver, asynchronous receiving-transmitting transmitter, single supply level transferring chip.Described acoustic-optic alarm is can sounding and luminous warning device.
Wherein: imaging signal processing circuit plate is formed primarily of digital signal processor DSP chip TMS320DM642.Camera 2 transmits the image come and is input to video decoding chip SAA7115, analog video signal is carried out decoding and is converted to digital video signal by video decoding chip SAA7115, then control image acquisition by programmable logic device (CPLD), and decoded image signal is stored in synchronous dynamic random access memory SDRAM.After completing picture signal storage, programmable logic device (CPLD) sends the finish command to dsp chip TMS320DM642, by dsp chip TMS320DM642, face characteristic identification is carried out to picture signal in synchronous dynamic random access memory SDRAM, and by characteristic by network interface RJ45(label 6) the long-range PC of control terminal duty room is passed in wireless network mode, facial image to be detected in characteristic and PC database contrasts, and PC passes to digital signal processor DSP comparing result.If facial image contrast coincide, digital signal processor DSP chip TMS320DM642 sends alerting signal by warning output driving circuit module, drives the acoustic-optic alarm 4 of main frame outside; Meanwhile, identical data image signal is converted to analog picture signal by video coding chip SAA7105, outputs to liquid crystal display 8 and shows.Serial line interface RS232(label 7) be connected with chip DSP with single supply level transferring chip MAX232 by asynchronous receiving-transmitting transmitter UART on circuit board, can being directly connected with PC, it is mutual to carry out view data.FLASH memory is used for storage program.
Claims (6)
1. a face retrieval recognition device, is characterized in that, described device comprises the imaging signal processing circuit plate of column, camera, the shooting headstock, cabinet shell and cabinet inside; Liquid crystal display, acoustic-optic alarm, network interface and serial line interface are installed in a side of cabinet shell; Column is arranged on cabinet shell upper; Column top is provided with camera by the shooting headstock; The imaging signal processing circuit plate of cabinet inside comprises: digital signal processor DSP chip, power module, programmable logic device (PLD), Video Decoder, synchronous dynamic random access memory, FLASH memory, warning output driving circuit module, Video Decoder, physical interface transceiver, asynchronous receiving-transmitting transmitter, single supply level transferring chip; Dsp chip TMS320DM642 exports driver module respectively by bus and FLASH memory, synchronous dynamic random access memory SDRAM, programmable logic device (CPLD), warning, video encoder SAA7105, asynchronous receiving-transmitting transmitter UART, physical interface transceiver PHY are connected; Video Decoder is connected with synchronous dynamic random access memory SDRAM by bus; Asynchronous receiving-transmitting transmitter UART is connected with single supply level transferring chip MAX232 by bus; Power module is connected with dsp chip TMS320DM642 by power lead; Video Decoder is connected with camera with by the signal wire in column.
2. a kind of face retrieval recognition device according to claim 1, is characterized in that, described warning exports driver module and is connected with acoustic-optic alarm.
3. a kind of face retrieval recognition device according to claim 2, is characterized in that, described acoustic-optic alarm is sounding and luminous warning device.
4. a kind of face retrieval recognition device according to claim 1, it is characterized in that, described video encoder is connected with liquid crystal display by signal wire.
5. a kind of face retrieval recognition device according to claim 1, is characterized in that, described physical interface transceiver PHY is connected with network interface RJ45 by signal wire.
6. a kind of face retrieval recognition device according to claim 1, is characterized in that, described single supply level transferring chip MAX232 is connected with serial line interface RS232 interface by signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520340728.9U CN204833294U (en) | 2015-05-25 | 2015-05-25 | People's face retrieval recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520340728.9U CN204833294U (en) | 2015-05-25 | 2015-05-25 | People's face retrieval recognition device |
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| Publication Number | Publication Date |
|---|---|
| CN204833294U true CN204833294U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520340728.9U Expired - Fee Related CN204833294U (en) | 2015-05-25 | 2015-05-25 | People's face retrieval recognition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784702A (en) * | 2017-09-27 | 2018-03-09 | 武汉青禾科技有限公司 | Student-directed based on GPS location and recognition of face is registered system |
| CN112147469A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | High-frequency intelligent identification device is put in GIS office based on AI edge calculation |
-
2015
- 2015-05-25 CN CN201520340728.9U patent/CN204833294U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784702A (en) * | 2017-09-27 | 2018-03-09 | 武汉青禾科技有限公司 | Student-directed based on GPS location and recognition of face is registered system |
| CN112147469A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | High-frequency intelligent identification device is put in GIS office based on AI edge calculation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160525 |