CN203366348U - Face recognition system and entrance guard system - Google Patents
Face recognition system and entrance guard system Download PDFInfo
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- CN203366348U CN203366348U CN 201320386038 CN201320386038U CN203366348U CN 203366348 U CN203366348 U CN 203366348U CN 201320386038 CN201320386038 CN 201320386038 CN 201320386038 U CN201320386038 U CN 201320386038U CN 203366348 U CN203366348 U CN 203366348U
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Abstract
The utility model provides a face recognition system and an entrance guard system. The face image acquisition device of the face recognition system is composed of an illumination light source, a monochrome pick-up head and a band-pass filter. The wave length of the band-pass filter is equal to that of the illumination light source, and the band-pass filter is arranged in front of the monochrome pick-up head. When the entrance guard system is in use, whether access objects are authorized or not can be judged by means of the face recognition system. When the access is authorized, the access is permitted by means of an executing mechanism. Otherwise, the access is denied. According to the technical scheme of the utility model, due to the adoption of the face recognition system and the entrance guard system, the misjudgment is reduced and the reliability is improved.
Description
Technical field
The utility model relates to the identity identifying and authenticating field, more particularly, relates to a kind of novel face identification system and adopts whether the object that this face identification system identification enters is to authorize the gate control system entered.
Background technology
China has huge population base, adds economic fast development, and the each province and city economic interaction is not limited to locality, and trans-regional mobility is more and more to come frequently.Huge population base and population mobility are strong, how to take full advantage of infotech and carry out effective authentication, always be the focus that the security protection industry is paid close attention to, so numerous biological identification technologies starts to come into market, in numerous biometrics identification technologies, face recognition technology is the most attractive, it is the most directly perceived, the most natural, current face recognition products great majority are on the market all given the user a kind of similar sensation directly perceived, all to adopt camera to obtain facial image, utilize display screen to show image, utilize user's conformability simultaneously, obtain the face-image of identifying object by video capture device, the face position of the algorithm of recycling core to its face, shape of face and angle are carried out computational analysis, and then and its data storehouse in existing model compare, finally judge user's true identity.This identity authentication is very directly perceived, also very convenient, and along with the gradual perfection of database, the accuracy of identity authentication is also more and more higher.
Existing face identification system is in the situation that the user coordinates, acquisition condition is more satisfactory can achieve satisfactory results.But, in the situation that the user mismatches, acquisition condition is undesirable, the discrimination of existing system will suddenly descend.Face recognition technology reaches far away realistic scale, and also existing many challenge needs to solve.Such as, during face alignment, with people's face of storing in system, there is any discrepancy, for example shaved beard, changed hair style, many glasses, become expression and all likely cause and compare unsuccessfully.That is to say, if subtle change occurs the people, the system possibility will authentification failure.
Gate control system is by being identified entering object, then, the object that mandate is entered is let pass and is stoped the object of with no authorized to enter, the gate control system generally adopted at present all adopts fingerprint recognition basically, also have and adopt recognition of face, but with recited above the same, some recognition of face may produce error, and the object that causes possible errors to put into no authorized enters.
The utility model content
The purpose of this utility model is to provide a kind of face identification system and according to the gate control system of this face identification system, a kind of more friendly, nature can be provided, be easier to not be subject to people's face device of illumination, attitude, decoration etc. restriction and gate control system with a high credibility.
The technical solution of the utility model is: a kind of face identification system, comprise human face image collecting device, carry out the video process apparatus of facial feature data extraction, storer and the CPU (central processing unit) of preserving the database of face template tag file, the output of described human face image collecting device connects described video process apparatus, and described human face image collecting device, video process apparatus, storer are connected with CPU (central processing unit) respectively; Described human face image collecting device comprises lighting source, black and white camera and logical mating plate; The logical mating plate that described logical mating plate is the lighting source wavelength, before being arranged on described black and white cam lens.
Further, in above-mentioned face identification system: described lighting source is for producing narrow band ir or ultraviolet light source.
Further, in above-mentioned face identification system: described lighting source is infrared light-emitting diode.
Further, in above-mentioned face identification system: also comprise the colour imagery shot identical with described black and white camera visual field, described colour imagery shot output connects display and shows.
Further, in above-mentioned face identification system: also comprise and sense the people face pick-up unit of human body in sensing range, described people's face pick-up unit is connected with CPU (central processing unit).
The utility model also provides a kind of gate control system that adopts above-mentioned face identification system, this gate control system comprises identification system and topworks, described identification system identification visitor's identity also judges whether it is the object of being authorized to enter, if it is controlling described topworks lets pass, described identification system comprises human face image collecting device, carry out the video process apparatus of facial feature data extraction, preserve storer and the CPU (central processing unit) of the database of face template tag file, the output of described human face image collecting device connects described video process apparatus, described human face image collecting device, video process apparatus, storer is connected with CPU (central processing unit) respectively, described human face image collecting device comprises lighting source, black and white camera and logical mating plate, the logical mating plate that described logical mating plate is the lighting source wavelength, before being arranged on described black and white cam lens.
Further, in above-mentioned gate control system: also comprise the colour imagery shot identical with described black and white camera visual field, described colour imagery shot output connects display and shows.
Further, in above-mentioned gate control system: described lighting source is for producing narrow band ir or ultraviolet light source.
Further, in above-mentioned gate control system: described lighting source is infrared light-emitting diode.
Further, in above-mentioned gate control system: also comprise and sense the people face pick-up unit of human body in sensing range, described people's face pick-up unit is connected with CPU (central processing unit).
A kind of novel face identification system of structure and gate control system in the utility model, can reduce erroneous judgement and improve reliability.
Below in conjunction with specific embodiment, the utility model is described in more detail.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment face identification system system architecture diagram.
Fig. 2 is the concrete block scheme of the utility model gate control system.
Fig. 3 is the utility model embodiment process flow diagram.
Embodiment
As shown in Figure 1, the present embodiment is a kind of novel face identification system, mainly people's face pick-up unit, human face image collecting device, video process apparatus, data transmission circuit, CPU (central processing unit), face recognition algorithms, demonstration output unit, data input/output interface, consists of.The block diagram that Fig. 2 is gate control system.
Wherein, people's face pick-up unit is according to infrared acquisition and image scanning technology, has sensed human body in sensing range, then starts image collecting device people's face is followed the tracks of, thereby capture facial image clearly.Image collecting device is comprised of two cameras and lighting source, one of them is that camera is the common color camera, it is in the present embodiment only for catching the coloured image of identification scene in sensing range, demonstration for whole device human-computer interaction interface, the another one camera is the black and white camera, in the present embodiment, the black and white camera is caught in the people's face by sensing range, auxiliary through contained optics, make it form the relatively constant facial image of light, two cameras are with unique mounting distance (upper and lower and two kinds of left and right mode) design and installation, make the visual field of two cameras basic identical, carry out video switch through the special video treating apparatus again, people's face positional information that the black and white camera detects feeds back in the image that colour imagery shot captures carries out rationally proofreading and correct and showing, be more conducive to the user and experience cooperation, thereby make facial image complete display more.The image of two cameras is after video process apparatus is processed, it is Video processing, major function is mould/number conversion and the switching of vision signal, CPU (central processing unit) and face recognition algorithms to facial image carry out image cut apart, filter noise, to image binaryzation, by signature analysis (Local Feature Analysis, LFA) method is extracted characteristic, and facial image changes into the face template tag file the most at last.
People's face test section in the present embodiment, adopt infrared acquisition and image scanning technology, and whether induction has people's face in sensing range, according to people's face being detected, opens, and adopts infrared or ultraviolet source as lighting source.
Image collecting device is comprised of video camera, independent infrared or logical mating plate ultraviolet source luminous electron device and the aglow UV light of cut-off available light.The luminous electron device preferably adopts infrared light emission LED, the infrared waves bandwidth of its emission and filter disc the infrared light bandwidth that can pass through be complementary, guarantee that the image that video camera catches is reflected by Infrared, the facial image that this mode gathers is infrared image, be not subject to naturally light to change the impact on recognition of face, recognition of face preferably adopts the infrared face image.
The gate control system of a face identification system in the present embodiment as shown in Figure 2, wherein, video camera in image collecting device is comprised of a black and white camera and a colour imagery shot, wherein colour imagery shot does not arrange the logical mating plate of the aglow UV light of cut-off available light, it is common analog video camera, this video camera is only for catching the identification scene image under available light, generation is easy to the video image that human eye is watched, face recognition algorithms is not processed this image, directly output to LCD after video process apparatus is processed, show for human-computer interaction interface.Video process apparatus is responsible for the video image of image capture device input is carried out to transform coding, generates machine recognizable digital signal.CPU (central processing unit) preferably adopts the ARM9 processor, with internal memory and Flash, forms the central data processing unit, is responsible for the computing of internal system data, controls and storage, for operating system provides operation platform.Dsp processor operation face recognition algorithms, people's face video raw data is carried out to calculation process, the operation result data are carried out to the data transmission exchange by system bus and CPU (central processing unit), CPU (central processing unit) according to the recognition of face operation result to other control module sending controling instruction.LCD display shows embedded operation system interface, and the steering order that the response CPU (central processing unit) sends, with the forms such as word, figure, symbol reflection performance.Touch-control input device is generally the input equipments such as keyboard, and touch pad is combined with LCD display, and a kind of man-machine interaction mode intuitively is provided, and except the touch-control input, the present embodiment is not limited to adopt the button keyboard equipment that control inputs is provided.Internet network transmission system data, make remote computer and recognition of face authentication terminal carry out exchanges data, by browser access system interface and database data.SD(HC) be external high-capacity and high-speed storer, storage recognition of face data, CPU (central processing unit) is carried out data management and calls storer by internal memory.People's face induction the utility model preferably adopts the light sensing mode, by the light caught before identification terminal, changes, and judge before terminal whether have people's face in coverage, with the holding state of removing terminal and activate image capture device, seizure people face video.Except preferred light sensing, the present embodiment also can adopt other human body sensing technology to detect people's face.I/O is system inputoutput data interface, supports the input and output of common data layout.UART general serial data bus is used for communicating with PC, comprises that monitoring debugger and other device communicate, the card reader of the external support serial communication of the utility model expansion, and the Card Reader data are transmitted by UART and are received.Audio treatment unit receives the instruction of central control unit transmission and is processed, and converts sound signal to and outputs to stereo set, and stereo set includes but not limited to it is hummer and voice voice-output device.Except audio treatment unit, also has topworks, this topworks is also by central processing unit controls, when face identification system recognizes, be that authorization object is need to enter the time, control topworks and let pass, if unacquainted unauthorized object, except audio treatment unit by the promptings such as loudspeaker, also close gate, stop unauthorized object to be invaded.
In the present embodiment, lighting source is contained optics, the logical mating plate that comprises infrared or ultraviolet source and optical source wavelength, infrared or ultraviolet directly or indirectly projects people's face surveyed area, before the logical mating plate of optical source wavelength is positioned at the black and white cam lens of independent acquisition people face imaging, with independent infrared or wavelength ultraviolet source, be complementary, for filtering visible ray and other impurity light sources.The face recognition algorithms adopted in the present embodiment is to carry out work according to the essential characteristic of face and shape, can eliminate to greatest extent the impact on recognition of face such as light, skin color, facial hair, hair style, glasses, expression and attitude variation, there is powerful reliability.
Fig. 3 is the face recognition process of the present embodiment, generally comprises following steps:
1, detect whether people's face is arranged in surveyed area, if having, carry out recognition of face.Otherwise continue to detect.
Utilize as the people's face pick-up unit in Fig. 1 and the people's face sensing apparatus in Fig. 2, to whether people's face is arranged in surveyed area detected, if having notify central processing unit ARM9, by the central processing unit working procedure, wake image collecting device up.
2, obtain the face-image of identifying object.
Obtaining the identifying object face-image is the main part that the present embodiment is different from other face identification system, in the present embodiment, by utilizing autonomous arbitrary source generation infrared ray or a ultraviolet ray of being controlled by central processing unit, to surveyed area, irradiated, then utilize the black and white camera to obtain the reflected light reflected by people's face, and increase and pass through mating plate before camera, this energy mating plate only allows infrared ray or the ultraviolet of the arbitrary source arrowband that namely lighting source of this device itself produces to pass through, the light of other visible ray and other wavelength is blocked.Obtain so more lazy fixed facial image, then from image, catch people's face.
Also by colour imagery shot, obtain the image in sensing range in this step, this image does not carry out the data processing, only for showing on the display lcd of system as recording on-the-spot data, preserves.
3, facial feature data is extracted.
4, with the existing model of lane database, compare.
5, finally judge described object true identity.
Above 3,4,5 steps have now a lot of methods to realize.
In the present embodiment: the people's face induction installation on face identification system detects people's face startup human face image collecting device and carries out video acquisition, generate its face line coding, retrieve and compare with the face line coding in the face template database, identify active user's identity.
In the present embodiment, human face image collecting device is the main place that is different from existing people's face system in the present embodiment, mainly comprises video camera, secondary light source light-emitting device.Image is processed can adopt device of the prior art, mainly A/D converter, image encoder, controller, consists of.Central control unit comprises central processing unit and storer, for recognition of face authentication operation system provides operation platform, described user interface includes but not limited to it is the data operation result by word, figure, voice, demonstration reflection, and described database comprises computer program and the data of calling for system control unit.
In the present embodiment, the recognition of face computing is the face recognition algorithms run in integrated circuit (IC) chip, carries out the process of the data analysis of people's face, calculating.
Man face image acquiring and processing in the present embodiment, recognition of face computing, data storage, system are controlled related device, it is the integration module connected by circuit, this integration module is the automatically controlled part of human face recognizing identity authentication device, device is connected with computing machine with Internet by UART, and the recognition of face data are converted into to the electronic signal that external unit can be identified.Face identification system, except necessary working power is provided, does not rely on other electronic equipment just can complete collection, processing, identification, the storage of facial image, and described human face recognizing identity authentication device, can export the data of recognition of face by external interface.
Claims (10)
1. a face identification system, comprise human face image collecting device, carry out the video process apparatus of facial feature data extraction, storer and the CPU (central processing unit) of preserving the database of face template tag file, the output of described human face image collecting device connects described video process apparatus, and described human face image collecting device, video process apparatus, storer are connected with CPU (central processing unit) respectively; It is characterized in that: described human face image collecting device comprises lighting source, black and white camera and logical mating plate; The logical mating plate that described logical mating plate is the lighting source wavelength, before being arranged on described black and white cam lens.
2. face identification system according to claim 1 is characterized in that: described lighting source is for producing narrow band ir or ultraviolet light source.
3. face identification system according to claim 2, it is characterized in that: described lighting source is infrared light-emitting diode.
4. face identification system according to claim 1 is characterized in that: also comprise the colour imagery shot identical with described black and white camera visual field, described colour imagery shot output connects display and shows.
5. according to arbitrary described face identification system in claim 1 to 4, it is characterized in that: also comprise and sense the people face pick-up unit of human body in sensing range, described people's face pick-up unit is connected with CPU (central processing unit).
6. a gate control system, comprise identification system and topworks, described identification system identification visitor's identity also judges whether it is the object of being authorized to enter, if it is controlling described topworks lets pass, it is characterized in that: described identification system comprises human face image collecting device, carry out the video process apparatus of facial feature data extraction, preserve storer and the CPU (central processing unit) of the database of face template tag file, the output of described human face image collecting device connects described video process apparatus, described human face image collecting device, video process apparatus, storer is connected with CPU (central processing unit) respectively, described human face image collecting device comprises lighting source, black and white camera and logical mating plate, the logical mating plate that described logical mating plate is the lighting source wavelength, before being arranged on described black and white cam lens.
7. gate control system according to claim 6 is characterized in that: also comprise the colour imagery shot identical with described black and white camera visual field, described colour imagery shot output connects display and shows.
8. gate control system according to claim 6 is characterized in that: described lighting source is for producing narrow band ir or ultraviolet light source.
9. gate control system according to claim 8, it is characterized in that: described lighting source is infrared light-emitting diode.
10. according to the described arbitrary gate control system of claim 6 to 9, it is characterized in that: also comprise and sense the people face pick-up unit of human body in sensing range, described people's face pick-up unit is connected with CPU (central processing unit).
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| CN 201320386038 CN203366348U (en) | 2013-07-01 | 2013-07-01 | Face recognition system and entrance guard system |
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| CN 201320386038 CN203366348U (en) | 2013-07-01 | 2013-07-01 | Face recognition system and entrance guard system |
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| CN203366348U true CN203366348U (en) | 2013-12-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318654A (en) * | 2014-10-31 | 2015-01-28 | 广东安居宝数码科技股份有限公司 | Building intercom system and method |
| CN104574745A (en) * | 2015-01-26 | 2015-04-29 | 成都美联微智科技有限公司 | Security and protection monitoring system based on physiological feature |
| CN105825559A (en) * | 2016-03-15 | 2016-08-03 | 北京中科慧居科技有限公司 | Access control system, control equipment, image collecting device, and access control method |
| CN106327642A (en) * | 2016-08-26 | 2017-01-11 | 合肥若涵信智能工程有限公司 | Human face and fingerprint access control machine |
| CN107730810A (en) * | 2017-11-14 | 2018-02-23 | 郝思宇 | Monitoring method, system in a kind of family room based on image |
| CN109064597A (en) * | 2018-07-25 | 2018-12-21 | 安徽新华学院 | A kind of campus dormitory access control system |
| CN111009058A (en) * | 2019-11-12 | 2020-04-14 | 国网浙江省电力有限公司嘉兴供电公司 | Station entering and exiting monitoring system and method suitable for data center |
-
2013
- 2013-07-01 CN CN 201320386038 patent/CN203366348U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318654A (en) * | 2014-10-31 | 2015-01-28 | 广东安居宝数码科技股份有限公司 | Building intercom system and method |
| CN104318654B (en) * | 2014-10-31 | 2016-06-08 | 广东安居宝数码科技股份有限公司 | Building conversational system and method |
| CN104574745A (en) * | 2015-01-26 | 2015-04-29 | 成都美联微智科技有限公司 | Security and protection monitoring system based on physiological feature |
| CN105825559A (en) * | 2016-03-15 | 2016-08-03 | 北京中科慧居科技有限公司 | Access control system, control equipment, image collecting device, and access control method |
| CN106327642A (en) * | 2016-08-26 | 2017-01-11 | 合肥若涵信智能工程有限公司 | Human face and fingerprint access control machine |
| CN107730810A (en) * | 2017-11-14 | 2018-02-23 | 郝思宇 | Monitoring method, system in a kind of family room based on image |
| CN109064597A (en) * | 2018-07-25 | 2018-12-21 | 安徽新华学院 | A kind of campus dormitory access control system |
| CN111009058A (en) * | 2019-11-12 | 2020-04-14 | 国网浙江省电力有限公司嘉兴供电公司 | Station entering and exiting monitoring system and method suitable for data center |
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| C14 | Grant of patent or utility model | ||
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| 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: 20131225 |