CN201514641U - Portable face recognition instrument - Google Patents
Portable face recognition instrument Download PDFInfo
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- CN201514641U CN201514641U CN2009202040510U CN200920204051U CN201514641U CN 201514641 U CN201514641 U CN 201514641U CN 2009202040510 U CN2009202040510 U CN 2009202040510U CN 200920204051 U CN200920204051 U CN 200920204051U CN 201514641 U CN201514641 U CN 201514641U
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Abstract
The utility model relates to a portable face recognition instrument, solving the technical problem that a monitoring terminal can only be fixed at a certain place and installed with auxiliary equipment due to a single function and has acquisition defects caused by environmental factors. The adopted technical scheme is as follows: the structure of the recognition instrument comprises a shell and a face sensing device, a camera and a central processor with a data storage unit and a network interface which are arranged in the shell; the structure of the recognition instrument is additionally provided with the camera with an auxiliary light-emitting device; the central processor comprises a master processor and a slave processor; the camera sends the acquired face image information to a middle storage unit of the master processor by means of the auxiliary light-emitting device; and after the slave processor calculates and processes, the master processor outputs a control signal to actuating equipment by means of a general I/O interface. The portable face recognition instrument has the advantages of eliminating the interference of the environment factors, leading the face recognition process to be more accurate and reliable, connecting a plurality of types of actuating equipment by means of the general I/O interface, and further expanding the plurality of safety protection functions.
Description
Technical field
The utility model belongs to security protection monitoring of tools field, relate to a kind of can be by the monitor terminal of recognition of face mode, particularly a kind of removable, the portable recognition of face instrument that can expand external equipment.
Background technology
Smart identity identification authentication is meant that the user shows the process of own proof of identification to electronic computer system, smart identity is identified in places such as finance, government bodies, business unit, sub-district dwelling house and all is widely used, particularly in the demanding place of security controls such as bank, prison.
Face recognition technology is a kind of of biological identification technology, because everyone people's face all has unique property mutually, and people's face is a most natural and general identification feature in the human vision, so be used widely based on the authentication system of face recognition technology.Known at present, human face recognizing identity authentication is mainly used in the recognition of face access control, and video monitoring people face detects than in the reciprocity system.In these systems, the recognition of face authenticating device all is installed in a fixing position basically, and the user identity identification authentication time must arrive the location of the machine to be installed, and wants the setting angle of cooperating equipment, highly just can carry out human face recognizing identity authentication.Video camera of the prior art generally has only the video image acquisition function, total control circuit is arranged on staff's monitoring client, therefore the mounting means of this video camera is just more fixing, must must there be supporting function control end just can install in the backstage, and these recognition of face authenticating devices are equipped with certain requirement to the installation position, such as factors such as ambient light, setting height(from bottom), people's face distances, can not arbitrarily adjust the installation site according to user's request.Aspect output interface, the general output interface of these recognition of face authenticating devices is comparatively single, then can not realize for the more requirement of user, for example only is used for controlling the On/Off of door lock, or drives alarm, and other function can't be expanded.
Summary of the invention
The purpose of this utility model is the technical matters that can only be fixed on the somewhere and install and cause the collection defective because of environmental factor with support equipment that causes in order to solve the monitor terminal function singleness, designed a kind of portable recognition of face instrument, the central processing unit and the video camera that will have extendible general purpose I/O interface are integrated in the housing, adopt to have the camera acquisition people of light source initiatively and blush the defective that the technology of outer image avoids environmental factor to cause.
The utility model for realizing the technical scheme that goal of the invention adopts is, a kind of portable recognition of face instrument, comprise housing in the identifier structure, and the people's face induction installation that is arranged on enclosure interior, video camera, the central processing unit that has data storage cell and network interface, set up video camera in the above-mentioned identifier structure with auxiliary illuminating device, central processing unit comprises primary processor and from processor, video camera is sent to the human face image information that collects by auxiliary illuminating device the intermediate storage unit of primary processor, after the processor computing, primary processor outputs control signals to actuating equipment by general purpose I/O interface.
Know-why of the present utility model is: people's face induction installation is responsible for detecting people's face signal, in case there is people's face to appear in the camera lens, people's face induction installation will send a request signal to central processing unit, central processing unit control video camera carries out man face image acquiring, image after the collection is stored in data storage cell, and send to the user monitoring end by network interface, also increase the video camera that another has active illuminating on this basis, purpose causes defective for fear of environmental factor to image information exactly, this video camera is deposited into the human face image information of gathering in the intermediate storage unit, by control from processor, compare with the coded message of storing in the data storage cell, the result of comparison is sent to primary processor, and primary processor judges that the control signal of back output sends to supporting actuating equipment.
The beneficial effects of the utility model are: have good general utility functions, can move use in multiple environment, user identity is discerned authentication whenever and wherever possible; Can connect multiple actuating equipment by general purpose I/O interface, and then expand multiple safety protection function; Video camera and central controller are integrated in the housing, can arbitrarily install by general purpose I/O interface, and can expand, realize that inlet control, work attendance are registered, visitor's authentication and other multiple function by serial line interface; In video camera, increase initiatively light source, utilize infrared light to gather the people and blush outer picture signal, can eliminate the interference of environmental factor, make face recognition process more accurately and reliably.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is a structural principle block diagram of the present utility model.
In the accompanying drawing, the 1st, people's face induction installation, the 2, the 3rd, video camera, the 4th, central processing unit, 4-1 are data storage cells, and 4-2 is a network interface, 4-3 is an intermediate storage unit, and 4-4 is a video interface, and 4-5 is an audio interface, 4-6 is a serial line interface, 4-7 is the keyboard input interface, and 4-8 is a video processing module, and 4-9 is an audio processing modules, ARM is a primary processor, and DSP is from processor.
Embodiment
Referring to Fig. 1, a kind of portable recognition of face instrument, comprise housing in the identifier structure, and the people's face induction installation 1 that is arranged on enclosure interior, video camera 2, the central processing unit 4 that has data storage cell 4-1 and network interface 4-2, set up video camera 3 in the above-mentioned identifier with auxiliary illuminating device, central processing unit 4 comprises primary processor ARM and from processor DSP, video camera 3 is sent to the human face image information that collects by auxiliary illuminating device the intermediate storage unit 4-3 of primary processor ARM, after processor DSP computing, primary processor ARM outputs control signals to actuating equipment by general purpose I/O interface.
People's face induction installation 1 is responsible for detecting people's face signal, in case there is people's face to appear in the camera lens, people's face induction installation 1 will send a request signal to central processing unit 4, central processing unit 4 control video cameras 2 carry out man face image acquiring, image after the collection is stored in data storage cell 4-1, and send to the user monitoring end by network interface 4-2, also increase another video camera that has active illuminating 3 on this basis, purpose causes defective for fear of environmental factor to image information exactly, this video camera 3 is deposited into the human face image information of gathering among the intermediate storage unit 4-3, by control from processor DSP, compare with the coded message of storing among the data storage cell 4-1, the result of comparison is sent to primary processor ARM, and primary processor ARM judges that the control signal of back output sends to supporting actuating equipment.
For fear of the interference of environmental factor to image acquisition, the filter disc that above-mentioned auxiliary illuminating device comprises the infrared LED lighting circuit and can end natural light, logical infrared light.Light-emitting 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 3 is caught is reflected by Infrared, the facial image that this mode is gathered is an infrared image, be not subjected to the influence of naturally light variation to recognition of face, the infrared face image is preferably adopted in recognition of face.
For the ease of the function expansion, above-mentioned general purpose I/O interface comprises network interface 4-2, video interface 4-4, audio interface 4-5, serial line interface 4-6 and the keyboard input interface 4-7 that is connected on the primary processor ARM.Network interface 4-2 is used to connect the remote monitoring chamber, video interface 4-4 can be used for connecting LCD, audio interface 4-5 can connect equipment such as sound equipment, warning horn, serial line interface 4-6 is used to connect supporting actuating equipment, keyboard input interface 4-7 can connect keyboard, by command code input central processing unit 4.
Be provided with video processing module 4-8 in the above-mentioned central processing unit 4, video camera 3 is sent to primary processor ARM with the infrared face picture signal that collects after video processing module 4-8 handles.Difference according to video camera 2,3, some video camera 2,3 self does not have A/D conversion and encoding function, the purpose that video processing module 4-8 is set then is to be digital image information with the analog video image information translation, is convenient to central processing unit 4 and carries out computing.
Be provided with audio processing modules 4-9 in the above-mentioned central processing unit 4, primary processor ARM sends audio alert signal, is sent to the audio frequency peripheral hardware by audio interface 4-5 after audio processing modules 4-9 handles.Primary processor ARM can send audio alert signal, also can send the visual alarm signal, and the visual alarm signal then sends to the video monitoring end by video interface 4-4 or network interface with the compressed encoding signal.
In order from all directions, all angles facial image to be gathered, the quantity of above-mentioned video camera 3 is 1-4, is installed in different positions with different angles, differing heights respectively.
Claims (6)
1. portable recognition of face instrument, comprise housing in the identifier structure, and the people's face induction installation (1) that is arranged on enclosure interior, video camera (2), the central processing unit (4) that has data storage cell (4-1) and network interface (4-2), it is characterized in that: set up video camera (3) in the described identifier structure with auxiliary illuminating device, central processing unit (4) comprises primary processor (ARM) and from processor (DSP), video camera (3) is sent to the human face image information that collects by auxiliary illuminating device the intermediate storage unit (4-3) of primary processor (ARM), after processor (DSP) computing, primary processor (ARM) outputs control signals to actuating equipment by general purpose I/O interface.
2. a kind of portable recognition of face instrument according to claim 1 is characterized in that: the filter disc that described auxiliary illuminating device comprises the infrared LED lighting circuit and can end natural light, logical infrared light.
3. a kind of portable recognition of face instrument according to claim 1 is characterized in that: described general purpose I/O interface comprises network interface (4-2), video interface (4-4), audio interface (4-5), serial line interface (4-6) and the keyboard input interface (4-7) that is connected on the primary processor (ARM).
4. a kind of portable recognition of face instrument according to claim 1, it is characterized in that: be provided with video processing module (4-8) in the described central processing unit (4), video camera (3) is sent to primary processor (ARM) with the infrared face picture signal that collects after video processing module (4-8) is handled.
5. a kind of portable recognition of face instrument according to claim 1, it is characterized in that: be provided with audio processing modules (4-9) in the described central processing unit (4), primary processor (ARM) sends audio alert signal, is sent to the audio frequency peripheral hardware by audio interface (4-5) after audio processing modules (4-9) is handled.
6. a kind of portable recognition of face instrument according to claim 1 is characterized in that: the quantity of described video camera (3) is 1-4, is installed in different positions with different angles, differing heights respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040510U CN201514641U (en) | 2009-08-26 | 2009-08-26 | Portable face recognition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040510U CN201514641U (en) | 2009-08-26 | 2009-08-26 | Portable face recognition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514641U true CN201514641U (en) | 2010-06-23 |
Family
ID=42486052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202040510U Expired - Lifetime CN201514641U (en) | 2009-08-26 | 2009-08-26 | Portable face recognition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096811A (en) * | 2011-01-26 | 2011-06-15 | 上海洪剑智能科技有限公司 | Intelligent face recognition module based on embedded platform, and recognition method thereof |
-
2009
- 2009-08-26 CN CN2009202040510U patent/CN201514641U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096811A (en) * | 2011-01-26 | 2011-06-15 | 上海洪剑智能科技有限公司 | Intelligent face recognition module based on embedded platform, and recognition method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
|
| CX01 | Expiry of patent term |