A kind of security access control system based on videoTechnical field
The present invention relates to intelligent access control system field, particularly a kind of security access control system based on video.
Background technology
In daily life and all kinds of service field, often gate control system can be related to.Government organs of today, financial services industry, exhibition or conference centre and company's building are all progressively adopting all kinds of gate control system, ensure the safety of lives and properties to a certain extent.Along with the development of all kinds of intellectual technology, there are some intelligent access control systems, had greatly following several: 1. the password access system being opened gate inhibition by input password; 2., by radio-frequency technique, hold the gate control system that IC/ID card opens the door; 3. by the fingerprint entrance guard system of contact fingerprint recognition; 4. the face recognition door control system being opened gate inhibition by identification face that development is at present comparatively ripe.
Above-mentioned first three is planted gate control system and is all had some limitations, and after at present face recognition door control system on the market only reaches and identifies particular person, open the function of gate inhibition, adaptability is not strong, do not consider the situation of unspecified person, namely sometimes the business partner of user or the guest being invited to visit may be kept outside of the door.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of security access control system based on video, while meeting the recognition of face gate function of particular person, realize the Face datection of unspecified person, after the personnel not belonging to the said firm, mechanism being detected, give a warning prompt tone, monitor staff can with its dialogue, and judge that it is personnel or a suspect that can enter gate inhibition according to the picture of screen transmission, thus determine whether opening gate, the work of convenient user and life.
For achieving the above object, the invention provides following technical scheme: a kind of security access control system based on video, it is characterized in that: the described security access control system based on video comprises the wireless camera with loudspeaker being arranged on gate inhibition outside, wireless camera is connected with monitoring computer by wireless network, gate inhibition place is also provided with Bluetooth microphone, Bluetooth microphone is connected with monitoring computer by bluetooth, the monitoring client of monitoring computer is also provided with loudspeaker and microphone, monitoring computer is connected with gateway by wireless network, gateway is by Zigbee network connection route node or terminal node, routing node or terminal node connect gate inhibition.
Recognition of face should realized and while opening gate function based on the security access control system of video, unidentified successful time, the video call function added, can after discovery unspecialized personnel, send prompt tone at monitoring client, monitor staff is according to the picture of transmission, distance communicating can be carried out with it, for whether opening gate provides foundation, with the work of these next convenient government organs, company building user and life, and reach certain safety protection function.
Preferably, described wireless network is 3G or WIFI network.
Preferably, described monitoring computer is common PC computer, and in monitoring computer, collection has face database.
Adopt the beneficial effect of above technical scheme to be: the effective integration that should be based on the security access control system of video the recognition of face of particular person and the Face datection of unspecified person, merge the function such as recognition of face, Face datection.After native system can belong to face database recognizing the face in video area, be its opening gate automatically; Also can after the face not belonging to face database being detected, monitor staff can with its dialogue, and according to the monitored picture transmitted in real time, whether resolution is its opening gate, really contactless automatic door opening and security protection are realized simultaneously, native system applicability is strong, saves human cost, can be widely used in the gate control systems such as government, mechanism, company.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the process flow diagram of a kind of security access control system based on video of the present invention;
Fig. 2 is the structural drawing of a kind of security access control system based on video of the present invention.
Embodiment
The preferred implementation of a kind of security access control system based on video of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 shows the embodiment of a kind of security access control system based on video of the present invention: should comprise based on the security access control system of video the wireless camera with loudspeaker being arranged on gate inhibition outside, wireless camera is connected with monitoring computer by wireless network, gate inhibition place is also provided with Bluetooth microphone, Bluetooth microphone is connected with monitoring computer by bluetooth, the monitoring client of monitoring computer is also provided with loudspeaker and microphone, monitoring computer is connected with gateway by wireless network, gateway is by Zigbee network connection route node or terminal node, routing node or terminal node connect gate inhibition.Wireless network is 3G or WIFI network.Monitoring computer is common PC computer, and gathering in monitoring computer has face database.
In the outside of gate inhibition, wireless camera, microphone and loudspeaker are installed, and are connected with the computer with audio frequency input/output function by wireless network (3G or WIFI), before using, first can enter the face information of the personnel of gate inhibition stored in face database.After having personnel to appear at video area, towards camera, utilizing face recognition technology, identify the face detected, if identify successfully, after finding that it matches face database personnel, is its opening gate automatically; If find, the face detected does not mate with personnel in face database, then synthesize warning prompt sound, monitor staff is according to above-mentioned prompt tone, perception is that external staff comes to visit, its can checking monitoring picture or with its remote dialogue, determine whether its opening gate, if find, it is a suspect, then can set up defences in advance, reach the dual purpose of automatic gate inhibition and security protection.
Be somebody's turn to do the specific works process based on the security access control system of video:
(1) face database is set: the face that can enter gate inhibition is in advance entered in face database, adopts the training of face training algorithm to can be used for the model of recognition of face;
(2) deployed with devices: the wireless camera with loudspeaker is connected with monitoring computer by wireless network (3G or WIFI); Bluetooth microphone is connected with monitoring computer by bluetooth, ensures that the monitoring client of monitoring computer has loudspeaker and microphone simultaneously;
(3) image acquisition: by camera collection video pictures;
(4) Face datection: after face appears in video area, detects the human face region in video automatically;
(5) recognition of face success: use face recognition technology identification face, if the match is successful for the face that video area occurs and face database, by internal wireless network, the trigger pip after the match is successful is sent to gateway, control command is sent to appointment routing node or terminal node by Zigbee network, drive corresponding access control equipment, open gate inhibition;
(6) recognition of face failure: if the face that video area occurs mates unsuccessful with face database, according to the unsuccessful trigger pip of coupling, to give a warning prompt tone at monitoring client, monitor staff is according to above-mentioned prompt tone, perception is that external staff comes to visit, by 3G or WIFI network and its remote dialogue or determine whether its opening gate according to monitored picture.If can enter, then opening gate, if find, it is a suspect, then can set up defences in advance.
Above is only the preferred embodiment of the present invention, and it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.