CN1779694A - Image identifier based on infrared image - Google Patents
Image identifier based on infrared image Download PDFInfo
- Publication number
- CN1779694A CN1779694A CN 200410084650 CN200410084650A CN1779694A CN 1779694 A CN1779694 A CN 1779694A CN 200410084650 CN200410084650 CN 200410084650 CN 200410084650 A CN200410084650 A CN 200410084650A CN 1779694 A CN1779694 A CN 1779694A
- Authority
- CN
- China
- Prior art keywords
- infrared
- recognition device
- image
- pattern recognition
- infrared imaging
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Collating Specific Patterns (AREA)
Abstract
An image identifying device based on infrared imaging consists of image identifier connected with an infrared auxiliary lamp, infrared image transducer with image obtaining unit being set with visible absorption filtering lens of infrared transmission. It features that image identifier is connected to infrared image transducer through video interface for inputting video signal to image identifier.
Description
Technical field
The present invention relates to a kind of pattern recognition device, relate in particular to a kind of pattern recognition device based on infrared imaging that can suppress the influence of extraneous natural light variation.
Background technology
In order to differentiate user's identity, perhaps using monitoring system for security consideration under some occasion is the common way that current safety ensures.Traditional way is that monitoring system is provided with password, and this password has only the specific people to know.Yet if password leaks, other users just can carry out this system, and security is reduced.Some signs of people can't be duplicated, so very fast as the biological recognition system development of judging user's identity with people's sign, fingerprint or people's face.
Especially, face recognition technology is as a hot issue of field of biological recognition, and a lot of research institutions and company be all in positive studying and corresponding product development, and worked out multiple face recognition algorithms.To carry out the accuracy rate that identity judges high thereby use face recognition algorithms to carry out recognition of face, and a lot of products can both reach the discrimination more than 90%.But the product of present various algorithms all can not adapt to the variation of illumination fully, that is to say to cause discrimination to reduce after ambient lighting changes.Internal authority test (FRVT2002) shows, the variation of illumination with discrimination from being reduced to about 50% more than 97%.In order to address the above problem, a kind of new disposal route has appearred, promptly people or the thing that enters the monitored area carried out radiation of visible light, its brightness is increased, can the neutralize variation of a part of ambient light of this method.Yet it can not significantly eliminate ectocine, simultaneously, increases the discomfort that visible fill-in light causes the user again.Therefore existing product can only be used to not have the occasion of the photoenvironments that immobilize such as inner passage that natural light disturbs, basement, causes range of application to be restricted.
Summary of the invention
Technical matters to be solved by this invention provides a kind of pattern recognition device based on infrared imaging, and the influence that it can suppress extraneous natural light has bigger adaptability.
The present invention is by the following technical solutions: a kind of pattern recognition device based on infrared imaging, comprise the image recognition device and the infrared image sensor that can carry out image recognition, the image recognition device links to each other by video interface with infrared image sensor, can be with vision signal from infrared image sensor input picture recognizer, has image acquisition equipment on this infrared image sensor, it is characterized in that: install infrared transmission visible absorbance type filter on the described image acquisition equipment additional, and further be connected with infrared auxiliary lamp on the pattern recognition device.
Compared with prior art, the invention has the beneficial effects as follows: owing to be provided with infrared auxiliary lamp and infrared transmission visible absorbance type filter, can suppress the visible composition in the natural light in a large number, adapt to the use of night, daytime, side/contrary/changeable environment such as positive light, in addition, the life-span of infraluminescence pipe is much larger than common artificial lamp source; And it does not have visible part, and closely the user does not have dazzling sense of discomfort of dazzling the eyes.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on the pattern recognition device of infrared imaging.
Fig. 2 is the structural representation that an embodiment the present invention is based on the pattern recognition device of infrared imaging is applied to gate control system.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
See also shown in Figure 1, pattern recognition device based on infrared imaging of the present invention comprises the recognition of face device 1 and the infrared image sensor 2 that can carry out image recognition, recognition of face device 1 and infrared image sensor 2 link to each other by video interface, can be with vision signal from infrared image sensor 2 input recognition of face devices 1.Be integrated with the facial image recognizer in the recognition of face device 1, can compare, thereby judge the legitimacy of this people's face its facial image that adopts and the facial image that is prestored into.Above-mentioned infrared image sensor 2 includes image acquisition equipment, i.e. CCD (charge-coupled device, the electric charge lotus root attaches together puts) B (figure do not show), and on the CCD B, installed infrared transmission visible absorbance type filter additional.Because ccd video camera is not only to the sensitization of visible light part, and infrared part also there is certain photoperceptivity, and the infrared transmission visible absorbance type filter that installs additional can suppress visible light, makes the CCD B only to infrared sensitization, thereby has eliminated the influence of visible light to the CCD B.Therefore, the pattern recognition device based on infrared imaging of the present invention can be applied to different occasions.
See also shown in Figure 2ly, it is applied to the structural representation of a gate control system for the pattern recognition device based on infrared imaging of the present invention.This gate control system comprises infrared image sensor 2, and this infrared image sensor 2 comprises a CCD B (figure does not show), has installed infrared transmission visible absorbance filter on this CCD B additional.One embedded human face recognizer 1 links to each other with above-mentioned infrared image sensor 2 by video interface.Infrared image sensor 2 adopts vertically arranged mode to adapt to the application demand of different heights, it generates analog video signal (pal mode) and sends into recognition of face device 1 under the ambient lighting conditions of infrared auxiliary lamp, recognition of face device 1 converts it to digital signal through video decoding chip; Carrying out people's face by the recognition of face processor detects and the computing of discerning; Ethernet interface as a result after the identification exports computing machine 4 to, and computing machine 4 can be used for Template Manager.Result after the above-mentioned identification also can be connected to a control panel 5 through RS232 serial ports (UART).Be connected with a keyboard 6 on the control panel 5, above-mentioned keyboard 6 is used for to recognition command of control panel 5 inputs.In addition, further be connected with relay 7,8 on the control panel 5, its repeat circuit 7 is connected with infrared auxiliary lamp 3, thereby control the on off state of infrared auxiliary lamp 3, and be connected with door lock 9 on the relay 8, control panel 5 is according to the on off state of above-mentioned recognition result decision relay 8, thus the action of opening the door of control door lock.
At work, at first send order foundation and got well the face template storehouse, be stored in embedded human face recognizer 1 by computing machine 4.Press the identification key of lower keyboard 6, control panel 5 will be controlled infrared auxiliary lamp 3 and light, and embedded human face recognizer 1 can be gathered a frame video signal by infrared image sensor 2, and pedestrian's face detection and Identification of going forward side by side are handled.The result who handles comprises and detects several people's faces, the coordinate of every people's face, and that people's information such as template in this people's face corresponding templates storehouse.In this example,, then think and discern successfully, otherwise think and failure this information is outputed to control panel 5 by serial ports if detected people's face found corresponding template in template base, if then relay 8 can closures in success, startup door lock 9, the generation action of opening the door; Otherwise relay 8 is failure to actuate.
In sum, the present invention has finished inventor's purpose, owing to be provided with infrared auxiliary lamp and red Outer transmission visible absorbance type filter can suppress the visible composition in the natural daylight in a large number, adapt to night, The use of daytime, side/contrary/changeable environments such as positive light, in addition, the life-span of infraluminescence pipe is much larger than general Logical Manual light source; And it does not have visible part, and closely the user does not have dazzling sense of discomfort of dazzling the eyes.
Claims (7)
1. pattern recognition device based on infrared imaging, comprise the image recognition device and the infrared image sensor that can carry out image recognition, the image recognition device links to each other by video interface with infrared image sensor, can be with vision signal from infrared image sensor input picture recognizer, has image acquisition equipment on this infrared image sensor, it is characterized in that: install infrared transmission visible absorbance type filter on the described image acquisition equipment additional, and further be connected with infrared auxiliary lamp on the pattern recognition device.
2. the pattern recognition device based on infrared imaging as claimed in claim 1 is characterized in that: the described infrared equipment that obtains is video camera.
3. the pattern recognition device based on infrared imaging as claimed in claim 2 is characterized in that: described video camera is the CCD B.
4. as claim 1 or 2 or 3 described pattern recognition devices based on infrared imaging, it is characterized in that: the described infrared equipment that obtains is vertically installed.
5. the pattern recognition device based on infrared imaging as claimed in claim 1 is characterized in that: described image recognition device is the embedded human face imageing sensor.
6. as claim 1 or 5 described pattern recognition devices based on infrared imaging, it is characterized in that: described image recognition device links to each other with control panel.
7. the pattern recognition device based on infrared imaging as claimed in claim 6 is characterized in that: described control panel links to each other with infrared auxiliary lamp by relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084650 CN1779694A (en) | 2004-11-26 | 2004-11-26 | Image identifier based on infrared image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410084650 CN1779694A (en) | 2004-11-26 | 2004-11-26 | Image identifier based on infrared image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1779694A true CN1779694A (en) | 2006-05-31 |
Family
ID=36770016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410084650 Pending CN1779694A (en) | 2004-11-26 | 2004-11-26 | Image identifier based on infrared image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1779694A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745182A (en) * | 2008-12-12 | 2010-06-23 | 三星电子株式会社 | Device for improving action of head and device for preventing skin aging |
| CN101205772B (en) * | 2006-12-18 | 2012-06-06 | 汉王科技股份有限公司 | Face-discrimination keyhole-free alarm burglar-proof door lock |
| CN104301633A (en) * | 2014-11-03 | 2015-01-21 | 倪蔚民 | Visible light and biological recognition combined photo-electronic imaging system and method of mobile terminal |
| CN105025232A (en) * | 2015-05-30 | 2015-11-04 | 宁波摩米创新工场电子科技有限公司 | Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion |
| CN105681618A (en) * | 2010-08-12 | 2016-06-15 | 上海科斗电子科技有限公司 | Equipment for getting data based on image capture and matched equipment thereof |
| CN106791343A (en) * | 2017-03-28 | 2017-05-31 | 深圳市石代科技有限公司 | Camera head and system |
-
2004
- 2004-11-26 CN CN 200410084650 patent/CN1779694A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205772B (en) * | 2006-12-18 | 2012-06-06 | 汉王科技股份有限公司 | Face-discrimination keyhole-free alarm burglar-proof door lock |
| CN101745182A (en) * | 2008-12-12 | 2010-06-23 | 三星电子株式会社 | Device for improving action of head and device for preventing skin aging |
| CN105681618A (en) * | 2010-08-12 | 2016-06-15 | 上海科斗电子科技有限公司 | Equipment for getting data based on image capture and matched equipment thereof |
| CN104301633A (en) * | 2014-11-03 | 2015-01-21 | 倪蔚民 | Visible light and biological recognition combined photo-electronic imaging system and method of mobile terminal |
| CN104301633B (en) * | 2014-11-03 | 2016-01-20 | 苏州思源科安信息技术有限公司 | Mobile terminal visible ray and bio-identification combination photoelectric imaging system and mobile terminal |
| CN105025232A (en) * | 2015-05-30 | 2015-11-04 | 宁波摩米创新工场电子科技有限公司 | Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion |
| CN106791343A (en) * | 2017-03-28 | 2017-05-31 | 深圳市石代科技有限公司 | Camera head and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111325150A (en) | Dressing detection device, method and storage medium | |
| CN205507934U (en) | Intelligent building controlling means based on face identification | |
| CN201438308U (en) | Fingerprint identification device with human face identification function | |
| CN105975938A (en) | Smart community manager service system with dynamic face identification function | |
| CN205451227U (en) | Go out entry control channel gate machine based on multiple authentication of visitor | |
| CN207665104U (en) | Security monitoring device based on recognition of face | |
| CN1967564A (en) | Method and device for detecting and identifying human face applied to set environment | |
| CN200972674Y (en) | On-line management system based on infrared detection for room of guesthouse | |
| CN110956768A (en) | Automatic anti-theft device of intelligence house | |
| CN1224900C (en) | Embedded human face automatic detection equipment based on DSP and its method | |
| CN108487818A (en) | A kind of security window control platform | |
| CN111402475A (en) | Intelligent gate passing system with body temperature measuring function, method and computer readable storage medium | |
| CN1779694A (en) | Image identifier based on infrared image | |
| CN201522710U (en) | Face and fingerprint identification apparatus | |
| CN209912036U (en) | Face identification security entrance guard all-in-one | |
| KR102473851B1 (en) | Illegal parking management system of parking area for disabled persons | |
| CN106846552A (en) | A kind of intelligent entrance guard control system | |
| CN208441644U (en) | A kind of embedded intelligent door lock | |
| CN215298315U (en) | Multimedia device and intelligent safety equipment | |
| CN109993869A (en) | A kind of remote door access system based on Identification of Images | |
| CN208737556U (en) | A kind of face recognition door control system with occlusion detection function | |
| CN1144152C (en) | Identity identifying method based on iris idendification and its equipment | |
| CN210466495U (en) | Multifunctional barrier-free passing gate | |
| CN207637201U (en) | Intelligence community system | |
| CN110751773A (en) | Method for realizing automatic opening and closing of intelligent door by utilizing biological recognition technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |