CN102956050A - Intelligent entrance guard control system - Google Patents

Intelligent entrance guard control system Download PDF

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Publication number
CN102956050A
CN102956050A CN2011102433808A CN201110243380A CN102956050A CN 102956050 A CN102956050 A CN 102956050A CN 2011102433808 A CN2011102433808 A CN 2011102433808A CN 201110243380 A CN201110243380 A CN 201110243380A CN 102956050 A CN102956050 A CN 102956050A
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China
Prior art keywords
module
face
recognition
image
control system
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CN2011102433808A
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张志伟
王国田
舒小保
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SUZHOU FEIRUI INTELLIGENT TECHNOLOGY Co Ltd
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SUZHOU FEIRUI INTELLIGENT TECHNOLOGY Co Ltd
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Priority to CN2011102433808A priority Critical patent/CN102956050A/en
Publication of CN102956050A publication Critical patent/CN102956050A/en
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Abstract

The invention discloses an intelligent entrance guard control system. The intelligent entrance guard control system comprises: a first camera module and a second camera module; an infrared sensor; a face identification processor, wherein the face identification processor comprises a control module, an image processing module, a face positioning module, a characteristic extraction module and a similarity comparison module, the control module controls the starting of the image processing module according to a case that whether the infrared sensor monitors infrared rays from a human body or not, the image processing module is used for acquiring a grayscale image, and the face positioning module generates a cameral module selection signal according to the position of the face in an upper video scene domain or a lower video scene domain; a camera module switching module; a gate lock interface circuit; a network interface module; a monitoring center; and a voice alarm. The intelligent entrance guard control system has the advantages of improvement of the identification accuracy and the identification efficiency through alternative monitoring and concentrated processing, avoiding of a large amount of superfluous data and reducing of the power consumption through prejudging the face image, and substantial improvement of the safety through combining a plurality of alarming means.

Description

Intelligent entrance guard control system
Technical field
The present invention relates to a kind of Intelligent entrance guard control system, belong to the security monitoring field.
Background technology
Biological identification technology is a key areas of present authentication, identification aspect.Biological identification technology commonly used mainly includes the technology such as fingerprint recognition, metacarpal bone identification, recognition of face, iris recognition at present.Face recognition technology wherein, it is important emerging research contents in the present field of biological recognition, it is to use the modes such as computing machine identification, the analysis of people's face biological characteristic, by the comparison between the recognition of face and discriminating, determines whether it is the technical skill of same people's face.
Face recognition technology has progressively had different application at present in different technical fields.Wherein, just include one by one entrance guard device of the frequent field of using of biotechnology.Realize gate inhibition's control operation by the means of bio-identification.
The identity discriminating means of traditional gate control system comprise the modes such as password, password, certificate and magnetic card, IC-card, because the separability with the identity people, cause forgery, usurp, the phenomenon such as decoding, can not satisfy the needs of the movable and social safety strick precaution of modern social economy fully.And that the biological attribute of human body is people's body is exclusive, and some biological attribute of people is unique such as attributes such as fingerprint, iris, images for Different Individual, it is used can stop with gate control system to forge, usurp, the generation of the phenomenon such as decoding.Particularly people's face image has uniqueness and stability, has become known identity identification marker.At present, fingerprint entrance guard system all needs to have special-purpose image capture device to obtain image, and image acquisition is touch or contact, and is unhygienic, and can bring discomfort to the user; And existing people's face gate inhibition does not consider to treat monitoring space and carries out subarea processing, thereby causes accuracy and efficiency low, crosses short and too high people and does not often collect, again, existing people's face gate inhibition is always in running order, thereby produces great quantities of spare data and power consumption, has reduced life of product.Therefore, how to design a kind of accuracy and efficiency that improves identification, and can avoid the control system of great quantities of spare data to become the direction that those of ordinary skills make great efforts.
Summary of the invention
The object of the invention provides a kind of Intelligent entrance guard control system, and this control system is divided into some subregions with the area to be monitored, alternately monitoring and the concentrated accuracy and efficiency that has improved identification of processing; And facial image is judged in advance, not only avoided the great quantities of spare data but also reduced power consumption; Combine multiple warning means, greatly improved security.
For achieving the above object, the technical solution used in the present invention is: a kind of control system of intelligent entrance guard comprises:
The first camera module is used for gathering the upward image information in video scene territory of space to be monitored;
The second camera module is for the image information that gathers video scene territory under the space to be monitored;
Infrared sensor is used for monitoring space to be monitored from the infrared ray of human body;
Recognition of face processor, this person's face recognition processor comprise control module, image processing module, people's face locating module, characteristic extracting module and similarity comparing module;
Described control module is according to whether monitor the startup of controlling described image processing module from the infrared ray of human body from described infrared sensor;
Described image processing module is used for the described image information that obtains is carried out gray processing, illumination compensation pre-service, thereby obtains gray level image;
Described people's face locating module identifies the band of position of facial image in described gray level image, and produces the camera module according to people's face position in video scene territory or the lower video scene territory on described and select signal;
Described characteristic extracting module is used for extracting the face component eigenwert from described gray level image;
Described similarity comparing module is carried out similarity for the known person face data message with described face component eigenwert and people's face data storage area and is compared, and produces gate inhibition's switch controlling signal if the phase knowledge and magnanimity reach similar threshold value, otherwise produces alerting signal;
Camera module handover module is used for the image information of selecting signal to select the first camera module or second camera module to gather according to described camera module;
The door lock interface circuit drives the electric control lock switching manipulation thereby be used for responding described gate inhibition's switch controlling signal;
Sdram memory is connected to described image recognition processing device, is used for the operational data of image temporary storage processor;
Flash memories is connected to described recognition of face processor, is used for storage recognition of face program and known person face data message;
Network Interface Module is connected to described recognition of face processor, is used for transmitting described face component eigenwert, electric control lock switching manipulation and recognition time;
Surveillance center is connected to described Network Interface Module, is used for recording described face component eigenwert, electric control lock switching manipulation and recognition time;
Phonetic alarm is used for response from the alerting signal of described similarity comparing module, thereby sends chimes of doom.
As preferably, comprise that also one is used for providing the power charging circuit of power supply, this power charging circuit is connected to civil power.
As preferably, a LCD display is connected to described recognition of face processor, is used for showing described recognition of face processor working state.
As preferably, comprising that this mobile phone of a mobile phone receives transmits described face component eigenwert, electric control lock switching manipulation and recognition time from described Network Interface Module.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
Intelligent entrance guard control system of the present invention, this control system is divided into some subregions with the area to be monitored, alternately monitoring and the concentrated accuracy and efficiency that has improved identification of processing; And facial image is judged in advance, not only avoided the great quantities of spare data but also reduced power consumption; Combine multiple warning means, greatly improved security.
Description of drawings
Accompanying drawing 1 is Intelligent entrance guard control system hardware block diagram of the present invention;
Accompanying drawing 2 is the theory diagram of recognition of face processor in the accompanying drawing 1.
In the above accompanying drawing: 1, the first camera module; 2, second camera module; 3, infrared sensor; 4, recognition of face processor; 5, control module; 6, image processing module; 7, people's face locating module; 8, characteristic extracting module; 9, similarity comparing module; 10, camera module handover module; 11, door lock interface circuit; 12, sdram memory; 13, flash memories; 14, Network Interface Module; 15, Surveillance center; 16, phonetic alarm; 17, power charging circuit; 18, LCD display.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment one: a kind of Intelligent entrance guard control system comprises:
The first camera module 1 is used for gathering the upward image information in video scene territory of space to be monitored.
Second camera module 2 is for the image information that gathers video scene territory under the space to be monitored.
Infrared sensor 3 is used for monitoring space to be monitored from the infrared ray of human body.
Recognition of face processor 4, this person's face recognition processor 4 comprise control module 5, image processing module 6, people's face locating module 7, characteristic extracting module 8 and similarity comparing module 9.
Described control module 5 is according to whether monitoring the startup of controlling described image processing module 6 from the infrared ray of human body from described infrared sensor 3.
Described image processing module 6 is used for the described image information that obtains is carried out gray processing, illumination compensation pre-service, thereby obtains gray level image.
Described people's face locating module 7 identifies the band of position of facial image in described gray level image, and produces the camera module according to people's face position in video scene territory or the lower video scene territory on described and select signal.
Described characteristic extracting module 8 is used for extracting the face component eigenwert from described gray level image.
Described similarity comparing module 9 is carried out similarity for the known person face data message with described face component eigenwert and people's face data storage area and is compared, and produces gate inhibition's switch controlling signal if the phase knowledge and magnanimity reach similar threshold value, otherwise produces alerting signal.
Camera module handover module 10 is used for the image information of selecting signal to select the first camera module 1 or second camera module 2 to gather according to described camera module.
Door lock interface circuit 11 drives the electric control lock switching manipulation thereby be used for responding described gate inhibition's switch controlling signal.
Sdram memory 12 is connected to described image recognition processing device, is used for the operational data of image temporary storage processor.
Flash memories 13 is connected to described recognition of face processor 4, is used for storage recognition of face program and known person face data message.
Network Interface Module 14 is connected to described recognition of face processor 4, is used for transmitting described face component eigenwert, electric control lock switching manipulation and recognition time.
Surveillance center 15 is connected to described Network Interface Module 14, is used for recording described face component eigenwert, electric control lock switching manipulation and recognition time.
Phonetic alarm 16 is used for response from the alerting signal of described similarity comparing module 9, thereby sends chimes of doom.
One is used for providing the power charging circuit 17 of power supply, and this power charging circuit 17 is connected to civil power.
One LCD display 18 is connected to described recognition of face processor 4, is used for showing described recognition of face processor 4 duties.
This mobile phone of one mobile phone (19) (19) receives from described Network Interface Module (14) transmission described face component eigenwert, electric control lock switching manipulation and recognition time.
The access control system course of work of the present invention is as follows: native system turns the 12V Power supply by 220V under normal circumstances, and abnormal conditions are as having a power failure, have during destroyed power supply random backup battery power supply; Whether the infrared sensor thoughts and feelings on the recognition of face household door control panel box has human body at surveyed area (in front of the door), when detecting human body, inform processor in the processing controller by signal, processing controller starts up and down video module, in the video image that receives, detect whether people's face is arranged, the strategy that detects is that acquiescence is from the camera module that makes progress, see if there is people's face, if someone face and location comparison are suitable, the video source that just stops the camera module is switched, people's face in this video flowing is detected, feature extraction, face characteristic is than reciprocity series of algorithms, if unmanned face or position are improper, then switch to downward camera module, carry out same differentiation and processing.The face characteristic that detects and registered validated user feature are carried out matching ratio pair, then think same people if reach predefined matching degree, when electric control lock is opened in control, this event is carried out record, the record content comprises the identification moment, success or not, detected picture, with convenient retrieval afterwards, be the disabled user if detect, then only record is not unblanked.The record of preserving all can be sent to Surveillance center by network according to user's needs.If the visitor rings a doorbell, then report music by processing controller, so that owner's response.Identification record is unsuccessful if electric control lock is opened, and on-the-spot alerting tone is then play in perhaps power down of system power supply, and should record by network and be sent to Surveillance center and send to owner by note.
When adopting the control system of above-mentioned intelligent entrance guard, this control system is divided into some subregions with the area to be monitored, alternately monitoring and the concentrated accuracy and efficiency that has improved identification of processing; And facial image is judged in advance, not only avoided the great quantities of spare data but also reduced power consumption; Combine multiple warning means, greatly improved security.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (4)

1. Intelligent entrance guard control system is characterized in that: comprising:
The first camera module (1) is used for gathering the upward image information in video scene territory of space to be monitored;
Second camera module (2) is for the image information that gathers video scene territory under the space to be monitored;
Infrared sensor (3) is used for monitoring space to be monitored from the infrared ray of human body;
Recognition of face processor (4), this person's face recognition processor (4) comprise control module (5), image processing module (6), people's face locating module (7), characteristic extracting module (8) and similarity comparing module (9);
Described control module (5) is according to whether monitoring the startup of controlling described image processing module (6) from the infrared ray of human body from described infrared sensor (3);
Described image processing module (6) is used for the described image information that obtains is carried out gray processing, illumination compensation pre-service, thereby obtains gray level image;
Described people's face locating module (7) identifies the band of position of facial image in described gray level image, and produces the camera module according to people's face position in video scene territory or the lower video scene territory on described and select signal;
Described characteristic extracting module (8) is used for extracting the face component eigenwert from described gray level image;
Described similarity comparing module (9), carrying out similarity for the known person face data message with described face component eigenwert and people's face data storage area compares, produce gate inhibition's switch controlling signal if the phase knowledge and magnanimity reach similar threshold value, otherwise produce alerting signal;
Camera module handover module (10) is used for the image information of selecting signal to select the first camera module (1) or second camera module (2) to gather according to described camera module;
Door lock interface circuit (11) drives the electric control lock switching manipulation thereby be used for responding described gate inhibition's switch controlling signal;
Sdram memory (12) is connected to described image recognition processing device, is used for the operational data of image temporary storage processor;
Flash memories (13) is connected to described recognition of face processor (4), is used for storage recognition of face program and known person face data message;
Network Interface Module (14) is connected to described recognition of face processor (4), is used for transmitting described face component eigenwert, electric control lock switching manipulation and recognition time;
Surveillance center (15) is connected to described Network Interface Module (14), is used for recording described face component eigenwert, electric control lock switching manipulation and recognition time;
Phonetic alarm (16) is used for response from the alerting signal of described similarity comparing module (9), thereby sends chimes of doom.
2. control system according to claim 1 is characterized in that: comprise that also one is used for providing the power charging circuit (17) of power supply, this power charging circuit (17) is connected to civil power.
3. according to claim 1 or 2 described control system, it is characterized in that: a LCD display (18) is connected to described recognition of face processor (4), is used for showing described recognition of face processor (4) duty.
4. it is characterized in that according to claim 1 or 2 described control system: comprise that this mobile phone of a mobile phone (19) (19) receives from described Network Interface Module (14) transmission described face component eigenwert, electric control lock switching manipulation and recognition time.
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Application publication date: 20130306