CN101833697A - Monitoring system based on iris identification - Google Patents

Monitoring system based on iris identification Download PDF

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Publication number
CN101833697A
CN101833697A CN200910079956A CN200910079956A CN101833697A CN 101833697 A CN101833697 A CN 101833697A CN 200910079956 A CN200910079956 A CN 200910079956A CN 200910079956 A CN200910079956 A CN 200910079956A CN 101833697 A CN101833697 A CN 101833697A
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China
Prior art keywords
iris
monitoring
monitor terminal
monitored
iris image
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Pending
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CN200910079956A
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Chinese (zh)
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商文彬
羊美华
羊文广
黄琼
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Newauto Silicon Valley Video Technology Co Ltd
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Newauto Silicon Valley Video Technology Co Ltd
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Priority to CN200910079956A priority Critical patent/CN101833697A/en
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Abstract

The invention discloses a monitoring system based on iris identification, belonging to the technical field of monitoring. The current monitoring for monitored personnel has the disadvantages of total manual mode, complex program, poor monitoring force and low efficiency. The monitoring system comprises one or more monitoring terminals and monitoring servers, and the monitoring terminals and the monitoring servers are connected through networks. Each monitoring terminal has the functions of signal transmission, iris image collection of monitored people, communication, alarming, and the like. Each monitoring server has the functions of positioning the monitoring terminals according to signals transmitted by the monitoring terminals and judging whether the current positions of the monitoring terminals are in a preset district, identifying the identity of the monitored personnel according to the iris characteristics, timing and sending out alarm. The invention improves the monitoring force and the efficiency, and is particularly suitable for monitoring people with residential surveillance, people obtaining a guarantor pending trial, and the like by judicial departments.

Description

A kind of supervisory system based on iris authentication
Technical field
The invention belongs to the monitoring technique field, be specifically related to a kind of supervisory system, be specially adapted to judicial department and monitor being monitored personnel such as inhabitation, recognizance based on iris authentication.
Background technology
Supervision of residence is meant that people's court, people's procuratorate, public security organ order suspect, defendant within a certain time and must not leave dwelling or designated residence in the specified period in criminal suit, and its behavior is monitored, limits a kind of compulsory measure of its freedom of person.Recognizance is meant that people's court, people's procuratorate or public security organ order give one's hand people or pay the guaranty money of some suspect, the accused, guarantee a kind of compulsory measure of being brought up to court when needed.
Supervision of residence and recognizance are carried out by public security organ, and the mode that usually adopts in the practice is: lived or the recognizance people registers to being monitored by public security organ, stipulate that then it regularly reports to public security organ.Yet because the finiteness of public security organ's human resources, this can increase public security officer's workload unavoidably, and work efficiency is also lower.Report according to the rules if be monitored inhabitation or recognizance people, also be not easy to be found, thereby cause the monitoring that is monitored inhabitation or recognizance people ineffective.
Summary of the invention
At the defective that exists in the prior art, the purpose of this invention is to provide a kind of based on iris authentication, control and monitoring are strong, efficient is high automatically to being monitored the system that personnel monitor.
To achieve these goals, the technical solution used in the present invention is as follows: a kind of supervisory system based on iris authentication, comprise monitor terminal (11) and monitoring server (13), described monitor terminal (11) is one or more, links to each other with monitoring server (13) by network (12);
Described monitor terminal (11) comprises the sender unit (111) that is used to transmit, be used to gather the iris image acquiring device (112) that is monitored personnel's iris image, be used for communicator (113) that communicates between monitor terminal and the monitoring server and the warning device (114) that is used to give the alarm;
Described monitoring server (13) comprises that the signal that is used for according to monitor terminal emission positions monitor terminal and judges monitor terminal current location whether location and the analytical equipment (131) in predefined zone, the warning device (134) that is used for the authentication means of the identity that is monitored personnel being verified according to iris feature (132), the time set (133) that is used for timing and is used to give the alarm.
Aforesaid a kind of supervisory system based on iris authentication, described monitor terminal (11) also is provided with the iris image apparatus for evaluating, is used for many images that iris image acquiring device (112) is gathered are assessed, and therefrom selects iris image the most clearly.
Aforesaid a kind of supervisory system based on iris authentication, this system also comprises the iris feature extraction element, is used for extracting the iris image checking iris feature that iris image acquiring device (112) is gathered.Described iris feature extraction element is arranged on monitor terminal (11), perhaps is arranged in the authentication means (132) of monitoring server (13).
Adopt system of the present invention, automatically finished public security organ is monitored personnel to these local all monitoring by the monitor terminal carried the personnel of being monitored and monitoring server, realized long-range the identity that is monitored personnel being verified by the iris recognition mode, strengthened being monitored personnel's control and monitoring, and reduced the workload of public security organ, improved work efficiency.Also saved simultaneously the trouble that the personnel that are monitored report to public security organ on schedule.
Description of drawings
Fig. 1 is the system architecture synoptic diagram in the specific embodiment of the invention.
Embodiment
Describe the present invention below in conjunction with embodiment and accompanying drawing.
Core concept of the present invention is: locate monitor terminal is set the personnel that are monitored, carried by the personnel of being monitored, at the public security organ place monitoring server is set; Monitor terminal has and transmits, gathers functions such as being monitored personnel's iris image, telecommunication and warning; Monitoring server has signal according to monitor terminal emission and monitor terminal is positioned and judges that the monitor terminal current location is whether in predefined zone, verify the identity that is monitored personnel and timing and the function that gives the alarm according to iris feature.Approaching as the personnel that are monitored, meet or exceed default maximum region or do not collect the personnel's of being monitored iris image at interval at the appointed time or give the alarm during not by authentication.
Iris is the annular viewable portion between eye pupil and the sclera, and the iris of different people has minutia and texture image at random, and these features all keep quite high stability in life the people.Have characteristics such as uniqueness, high stability, untouchable and high antifalsification based on the identification authentication mode of iris feature, therefore adopt the iris authentication mode can guarantee to be monitored the authenticity of personnel identity.
Fig. 1 has shown the system architecture of an embodiment of the present invention, comprises monitor terminal 11 and monitoring server 13, and monitor terminal 11 can have a plurality of, is connected with monitoring server 13 by wired or wireless network 12.
Monitor terminal 11 comprises sender unit 111, iris image acquiring device 112, communicator 113 and warning device 114.Sender unit sends signal in real time, and monitoring server is finished location to monitor terminal according to this signal.Iris image acquiring device 112 is used to gather the personnel's of being monitored iris image.Communicator 113 is responsible for communicating by network 12 between monitor terminal and the monitoring server 13.That warning device 114 is used for is approaching as the personnel that are monitored, reach or exceed confined maximum region or do not collect the personnel's of being monitored iris image at interval at the appointed time or give the alarm during not by authentication, and the form of alarm can be luminous, sounding or vibrations.
Monitoring server 13 comprises location and analytical equipment 131, identity recognition device 132, time set 133 and warning device 134.Location and analytical equipment 131 are used for the current location according to this monitor terminal of signal framing of monitor terminal emission, and judge that this position is whether in predefined regional extent, if it is approaching, reach or exceed predefined regional extent, then the warning device 134 by monitoring server 13 gives the alarm, and the warning device 114 of triggering monitor terminal 11 gives the alarm.Identity recognition device 132 is used to receive the personnel's that are monitored that monitor terminal 11 transmits iris image, and by this iris image the identity that is monitored personnel is carried out remote validation.If by checking, then warning device 114,134 does not give the alarm.Time set 133 is used for from receiving that the last time picks up counting after being monitored personnel's iris image, receive the personnel's of being monitored iris image at every turn after, the time set reclocking.When the cumulative time reached predefined value and do not receive the personnel's of being monitored iris image, warning device 114,134 gave the alarm.
Monitor terminal 11 can also be provided with iris feature extraction element (not shown in figure 1), is used for extracting the iris feature of the iris image checking usefulness that iris image acquiring device 112 gathers, and iris feature is sent to monitoring server.Extracting the function of iris feature also can be finished by the authentication means 132 of monitoring server 13, be that monitor terminal 11 sends to authentication means 132 with the iris image that collects, authentication means 132 is extracted iris feature again and is verified from iris image.
The course of work of said system is divided into two aspects: be monitored the position of personnel's (being monitor terminal) on the one hand for monitoring, checking is monitored personnel identity once every the set time on the other hand.
The main process that monitoring is monitored personnel positions is as follows: the sender unit 111 of monitor terminal 11 transmits in real time, the location of monitoring server 13 and analytical equipment 131 detect the signal of emitter 111 emissions in real time, and according to the current location of this signal source locating and monitoring terminal 11, judge this position then whether in the regional extent that allows, whether the coordinate of promptly judging this location point is in predefined zone.If approaching, reach or when exceeding maximum region, then the warning device 134 by monitoring server 13 gives the alarm, notice supervision personnel are just the supervision personnel can in time take measures to handle.Simultaneously, send signal to this monitor terminal 11, the warning device 114 that starts monitor terminal 11 gives the alarm, and prompting is monitored personnel near the maximum region scope of stipulating.Maximum region scope and should preestablish near the distance of maximum region.Type of alarm near maximum region can be different with the type of alarm that exceeds maximum region, are used to distinguish the harmful grade of alarm.The mode of reporting to the police preferably adopts voice suggestion, has prerecorded suggestion voice, sends different suggestion voices according to different situations.
The main process that is monitored personnel identity every set time checking is as follows: suppose every 24 hours needs be monitored personnel at least identity verification once, time set 133 picked up counting during by authentication from last time, timing is since 0 first.The personnel that are monitored gather the eye iris image of making an appointment by the iris image acquiring device 112 of monitor terminal 11, send to the identity recognition device 132 of monitoring server 13 by communicator 113, identity recognition device 132 extracts the iris feature (extracting iris feature also can finish at monitor terminal) that this image authentication is used, compare with this iris feature template that is monitored personnel's reservation, if coincide, then by checking, time set 133 zero clearings restart timing simultaneously.If by checking, then the warning device 134 of monitoring server 13 does not give the alarm, the warning device 114 to monitor terminal 11 sends signal simultaneously, and the warning device 114 that starts monitor terminal 11 gives the alarm, and prompting is monitored personnel not by authentication.
Because iris is a very little organ between pupil and cornea, about tens millimeters of diameter, structure is quite complicated, and the iris color of different ethnic groups has very big difference, white iris color is shallow, texture is remarkable, yellow's iris then mostly is dark brown, and texture is very not obvious, and all need adopt high definition, harmless to human eye again iris image acquiring device 112 of while.When gathering iris image, can gather a series of iris image, for example once gather 10 images, therefrom selecting the most clearly, an image sends to monitoring server 13 as the iris image that authenticates usefulness.The assessment of picture quality is many judges that with the frequecy characteristic of image the minutia of image is apparent in view, the change frequency height of its pixel grey scale.Can adopt modes such as FFT assessment, differential evaluation to select distinct image.Adopt aforesaid way the iris image apparatus for evaluating to be set, be used to pick out iris image the most clearly at monitor terminal 11.
Identity recognition device 132 needs earlier image to be carried out pre-service when extracting the iris feature of iris image, eliminates the influence of the contraction of translation, convergent-divergent, rotation and pupil for iris recognition.Because not only comprise iris in the iris image of gathering, but also comprise other parts of eyes, as eyelid, eyelashes, sclera etc.; If to being done requirement by the picker, position and the size of iris in image all can not change.Pre-service to iris image mainly comprises level and smooth iris image, extraction iris image edge, iris edge, location, normalization iris image and strengthens iris image etc.The smoothing processing of iris image is in order to remove because the noise that causes of reflective grade, impels that as much as possible some gray scale reaches unanimity on the iris boundary, can adopt Gauss's two dimension low-pass filtering that image is carried out smoothing processing.Advantages such as the method for Image Edge-Detection is a lot, and present embodiment adopts classical Canny operator to carry out the iris edge extracting, and it has the bearing accuracy height, and single edge and detection are effective.After obtaining the Canny edge-detected image, adopt Hough transfer pair image to extract the outer edge of iris.Its advantage mainly is: this method is insensitive to the noise spot in the image, and the result who obtains is the influence of filtering noise effectively.In order to realize accurate coupling, also need iris is carried out normalized.It is circular that the iris inner and outer boundary all is approximately, and can utilize the method for polar coordinate transform to handle.With the pupil center of circle is that starting point is drawn a ray, obtains the intersecting point coordinate of ray and iris inner and outer boundary, and then any point between two intersection points can be represented with the combination of these two intersection points on the ray.Every bit in the iris image can be mapped in the polar coordinates one by one like this and go, the image after the normalization under polar coordinates by rectangle of generate.In addition, in order to eliminate the uneven influence to iris image of light source irradiation and exposure, improve picture quality, need carry out enhancement process to the image after the normalization, present embodiment adopts histogram equalization that image is carried out enhancement process.Adopt wavelet transformation to extract the textural characteristics of iris to pretreated iris image, iris image is carried out two-dimensional wavelet transformation, convert the wavelet coefficient on the wavelet field to, extract the wavelet coefficient that can characterize iris feature then and carry out quantization encoding, thereby extract the proper vector of the different irises of sign.At last this iris feature and the iris feature template that is monitored the pre-stream of personnel are compared checking, the result carries out different processing according to checking.
When the personnel of being monitored have many man-hours, a plurality of monitor terminals 11 can be set, all monitor terminals 11 link to each other by network 12 with monitoring server 13, and monitoring server 13 can be monitored a plurality of monitor terminals 11 simultaneously.Like this, greatly facilitate public security organ is monitored personnel to these local all monitoring.When the personnel of being monitored leave the scope of being monitored or do not carry out authentication on time, public security organ can learn rapidly, in time handle, thereby improved being monitored personnel's control and monitoring, reduce the workload of public security organ, also saved the trouble that the personnel that are monitored report to public security organ on schedule simultaneously.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technology thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (5)

1. the supervisory system based on iris authentication comprises monitor terminal (11) and monitoring server (13), and described monitor terminal (11) is one or more, links to each other with monitoring server (13) by network (12);
Described monitor terminal (11) comprises the sender unit (111) that is used to transmit, be used to gather the iris image acquiring device (112) that is monitored personnel's iris image, be used for communicator (113) that communicates between monitor terminal and the monitoring server and the warning device (114) that is used to give the alarm;
Described monitoring server (13) comprises that the signal that is used for according to monitor terminal emission positions monitor terminal and judges monitor terminal current location whether location and the analytical equipment (131) in predefined zone, the warning device (134) that is used for the authentication means of the identity that is monitored personnel being verified according to iris feature (132), the time set (133) that is used for timing and is used to give the alarm.
2. a kind of supervisory system as claimed in claim 1 based on iris authentication, it is characterized in that: described monitor terminal (11) also is provided with the iris image apparatus for evaluating, be used for many images that iris image acquiring device (112) is gathered are assessed, therefrom select iris image the most clearly.
3. a kind of supervisory system based on iris authentication as claimed in claim 1 or 2, it is characterized in that: described system also comprises the iris feature extraction element, is used for extracting the iris image checking iris feature that iris image acquiring device (112) is gathered.
4. a kind of supervisory system based on iris authentication as claimed in claim 3 is characterized in that: described iris feature extraction element is arranged on monitor terminal (11).
5. a kind of supervisory system based on iris authentication as claimed in claim 3 is characterized in that: described iris feature extraction element is arranged in the authentication means (132) of monitoring server (13).
CN200910079956A 2009-03-13 2009-03-13 Monitoring system based on iris identification Pending CN101833697A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798986A (en) * 2012-06-13 2012-11-28 南京物联传感技术有限公司 Intelligent glasses and working method thereof
CN103006174A (en) * 2011-09-20 2013-04-03 佳能株式会社 Image processing apparatus, ophthalmologic imaging apparatus, and image processing method
CN103605918A (en) * 2013-11-20 2014-02-26 长春乾元众盈信息技术有限责任公司 Iris recognition PDM rights management method and device
CN104598794A (en) * 2015-01-21 2015-05-06 北京天诚盛业科技有限公司 Method, device and system for quickly processing iris information
CN106339698A (en) * 2016-09-30 2017-01-18 乐视控股（北京）有限公司 Iris recognition-based ticket purchase method and device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006174A (en) * 2011-09-20 2013-04-03 佳能株式会社 Image processing apparatus, ophthalmologic imaging apparatus, and image processing method
US8960906B2 (en) 2011-09-20 2015-02-24 Canon Kabushiki Kaisha Image processing apparatus, ophthalmologic imaging apparatus, image processing method, and storage medium
CN103006174B (en) * 2011-09-20 2016-07-06 佳能株式会社 Image processing equipment, Ophthalmologic photographing apparatus and image processing method
CN102798986A (en) * 2012-06-13 2012-11-28 南京物联传感技术有限公司 Intelligent glasses and working method thereof
CN103605918A (en) * 2013-11-20 2014-02-26 长春乾元众盈信息技术有限责任公司 Iris recognition PDM rights management method and device
CN104598794A (en) * 2015-01-21 2015-05-06 北京天诚盛业科技有限公司 Method, device and system for quickly processing iris information
CN104598794B (en) * 2015-01-21 2017-12-26 北京天诚盛业科技有限公司 The methods, devices and systems that iris information is quickly handled
CN106339698A (en) * 2016-09-30 2017-01-18 乐视控股（北京）有限公司 Iris recognition-based ticket purchase method and device

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Application publication date: 20100915