CN1936920A - Mobile iris identifying system and method - Google Patents
Mobile iris identifying system and method Download PDFInfo
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- CN1936920A CN1936920A CN 200510094551 CN200510094551A CN1936920A CN 1936920 A CN1936920 A CN 1936920A CN 200510094551 CN200510094551 CN 200510094551 CN 200510094551 A CN200510094551 A CN 200510094551A CN 1936920 A CN1936920 A CN 1936920A
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Abstract
The system includes following parts: being in use for guiding user to enter into a certain distance range, and after aligning eye of user, the indication module obtains information of user's iris; storage device in use for storing the said information of user's iris; information processor in use for picking up position information of iris, and coding the position information; input/output module for transferring information of iris processed by the information processor. Including mobile iris recognition system, and method for recognizing iris adopted by the system, the invention adds simple hardware of iris recognition system so as to carry out iris recognition operation for user conveniently.
Description
Technical field
The invention relates to the iris identification method that mobile iris scans (Iris Scan) system and adopts this system, in more detail, exactly by in mobile device, having increased simple iris authentication system hardware, thereby can make the user carry out mobile iris identification (Iris Scan) system and method thereof of iris recognition more easily.
Background technology
As everyone knows, at present in the system that is used for security, authentication, contact or contact type intelligent card system have much all been used, that have even finger scan or the iris recognition by the people also, carry out authentication, profit determine to allow in such a way or the refusal personnel enter particular place and near customizing messages.
In the middle of these technology, the relative finger scan of iris authentication system has the scan efficiency height, scans advantages such as more accurate.Iris authentication system is in the iris map of utilizing video camera to take, utilizing the information processing technology that the characteristic texture (pattem) of iris is done digitizing (datafication) handles, itself and the iris data of input database are contrasted, confirm people's identity.
Fig. 1 is the synoptic diagram of existing iris authentication system structure.Below with reference to shown in Figure 1, the running of iris authentication system is described.
After the user is near iris authentication system, range determination sensor 109 will measure and the user between distance, by driver 107, control device 105 receives above-mentioned range determination value, judges whether above-mentioned range determination value is in system and can discerns in the range of operation then.
Be in the range of operation when control device 105 is judged as the user, control signal is sent to driver 107, make it carry out the preparation of extracting iris information.Driver 107 is to external indicator 108 transmission activity (Active) signals, system will inform that the user will carry out identifying operation, the user is by optical window 101 then, optical axis with eye alignment camera 103, cold mirror (cold mirror) 102 cuts off visible rays, and ultraviolet ray is passed through.Demonstrate then iris the position that should locate, confirm the user whether with eye alignment the optical axis of camera 103.
Then, control device 105 receives the range determination value between itself and the user from range determination sensor 109, utilize this range determination value to calculate convergent-divergent (Zoom) value and focal length (Focus) value of camera 103, execution amplification (zoom in)/dwindle (zoom out) and the Control work of focusing.Afterwards, control device 105 is according to the range determination value, take iris information by driver 107, and with the iris information that photographs in frame catcher (frame grabber) 104, carrying out signal Processing under the prerequisite with meeting suitable iris information analysis, then iris information after treatment is stored in the database 110, and the information and executing iris recognition that in control device 105, is stored according to this, determine whether the user can be by authentication.
On the one hand, the iris recognition required time of above-mentioned iris authentication system and levels of precision depend on the performance of iris authentication system itself.Moreover, iris authentication system in this technical field is under the situation of using single light source, owing to the reflection problems that may take place to cause because of glasses, therefore used light fixture in most of iris authentication systems more, to solve the light reflection problems, and, avoid eyes that 2 secondary reflections take place, thereby the map of obtaining by changing the position of light fixture.
On the other hand, though the iris authentication system that utilizes above-mentioned iris information to authenticate is widely used, it can only be arranged on particular place and just can effectively authenticate.
Therefore, the user only could realize authentication directly entering the place that is provided with iris authentication system, and this is comparatively inconvenience concerning the user.
Summary of the invention
The present invention aims to provide and has a kind ofly increased simple iris authentication system hardware in mobile device, thereby can make the user carry out the mobile iris identifying system and the method thereof of iris recognition more easily.
To achieve these goals, mobile iris identifying system of the present invention comprises as the lower part:
Be used to guide the user to enter in the certain distance scope and after the eyes of aiming at the user, obtain the indicating module of user's iris information;
Be used to store the storer of the iris information that above-mentioned indicating module obtains;
Extract the positional information of iris the information in being stored in above-mentioned storer, and it is treated to the message handler of iris-encoding;
Be used to transmit the above-mentioned input/output module that passes through the iris information of message handler processing.
At this, above-mentioned indicating module comprises as the lower part:
Be used to take the camera of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp that utilizes above-mentioned camera to take;
System is used to guide user's aligned position, so that can obtain the LED of discernible eye position;
In above-mentioned LED, be used for making the light of specific wavelength to pass through, it is shown to user's catoptron.
At this, above-mentioned another kind of indicating module comprises as the lower part:
Be used to take the camera of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp that utilizes above-mentioned camera to take;
System is used to guide user's aligned position, so that can obtain the display of discernible eye position.
In addition, in order to achieve the above object, mobile iris recognition methods of the present invention comprised as the next stage:
Phase one, obtain face's information of user;
Subordinate phase detects the position of eyes from above-mentioned face's information of obtaining;
Phase III,, show that to the user preparation scans if above-mentioned detected eye position is in the scope that can scan;
The quadravalence section is opened above-mentioned black light lamp, obtains iris information;
Five-stage behind the iris-encoding that generates the above-mentioned iris information of obtaining, sends it to device.
Here, detect in the stage of above-mentioned eye position,, judge whether eye position is within the sweep limit according to the eye position in above-mentioned face's information of obtaining.
Wherein, detect in the stage of above-mentioned eye position, if the position that is judged as eyes is shown to the user with information immediately not in sweep limit, and the guiding user enters sweep limit.
As mentioned above, mobile iris of the present invention is discerned (Iris Scan) system and is adopted the iris identification method of this system to increase simple iris authentication system hardware in mobile device, thereby can make the user carry out iris recognition more easily.
As mentioned above, according to mobile iris identifying system of the present invention and adopt the iris identification method of this system in mobile device, to increase simple iris authentication system hardware, thereby can make the user carry out the iris recognition operation more easily.In addition, the present invention can also apply in cheapness, the miniature device.
Description of drawings
Fig. 1 is existing iris authentication system structural representation.
Fig. 2 is a mobile iris identifying system structural representation of the present invention.
Fig. 3 is the structural representation of indicating module in the mobile iris identifying system of the present invention.
Fig. 4 is the process flow diagram to mobile iris identifying system scan method of the present invention.
Fig. 5 is that the information that obtains from mobile iris identifying system of the present invention illustrates the eye position synoptic diagram according to distance table.
Fig. 6 is the synoptic diagram that shows another mobile iris identifying system indicating module structure of the present invention.
Accompanying drawing major part symbol description
201: indicating module 202: storer
203: message handler 204: input/output module
301,601: camera 302,602: black light lamp
303:LED 304: catoptron
603: display
Embodiment
With reference to the accompanying drawings, embodiments of the invention are elaborated.
Fig. 2 is a mobile iris identifying system structural representation of the present invention.
As shown in Figure 2, mobile iris identifying system of the present invention comprises as the lower part:
Be used to guide the user to enter in the certain distance scope and after the eyes of aiming at the user, obtain the indicating module 201 of user's iris information;
Be used to store the storer 202 of the iris information that above-mentioned indicating module 201 obtained;
Extract the positional information of iris the information in being stored in above-mentioned storer, and it is treated to the message handler 203 of iris-encoding;
Be used to transmit the above-mentioned input/output module 204 that passes through the iris information of message handler processing.
Fig. 3 is the structural representation of indicating module in the mobile iris identifying system of the present invention.
As shown in Figure 3, the indicating module 201 of mobile iris identifying system comprises as the lower part:
Be used to take the camera 301 of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp 302 that utilizes above-mentioned camera 301 to take;
System is used to guide user's aligned position, so that can obtain the LED303 of discernible eye position;
In above-mentioned LED, be used for making the long light of institute's standing wave to pass through, it is shown to user's catoptron 304.
Whether the user moves to eyes on the optical axis of above-mentioned camera 301 by above-mentioned catoptron 304, and above-mentioned then LED303 confirms whether the user is within the sweep limit, be positioned on the optical axis of above-mentioned camera 301 to confirm user's eyes.
At this moment, 203 pairs of information of obtaining of above-mentioned message handler are handled, but judge that whether the distance between above-mentioned camera 301 and the user's eyes reaches opereating specification, according to judged result, determines whether to open above-mentioned LED303.
Fig. 4 is the process flow diagram to mobile iris identifying system scan method of the present invention.
As shown in the figure, at first the user watches indicating module 201 attentively, opens above-mentioned black light lamp 302 then, utilizes above-mentioned camera 301, obtains face's information (S401) of user.
At this moment, above-mentioned catoptron 304 reflection visible light make the user pass through above-mentioned catoptron 304 and can confirm the eyes of oneself.
Then, in above-mentioned face's information of obtaining, detect the center (S402) of eyes.At this moment, in above-mentioned face's information of obtaining,, can measure the distance between user and the above-mentioned camera 301, inform then whether the user has entered within the sweep limit according to the position of eyes.
Fig. 5 is that the information that obtains from mobile iris identifying system of the present invention illustrates the eye position synoptic diagram according to distance table.
As shown in Figure 5, irradiate the eyes of oneself on one side the user watches in the catoptron of indicating module, Yi Bian move forward, at this moment the axle of above-mentioned indicating module has nothing in common with each other with the visual angle of above-mentioned camera, and in the information of obtaining, the position of eyes changes.
According to the distance of eyes and camera, distance is near more, obtains that eye position is also taking place to change in the information.
In more detail, eye center the position that should locate, depend on zone that camera can be focused and the size of measuring required iris.At this moment, above-mentioned indicating module 201 can analyze the particular location of eye center from the above-mentioned information of obtaining, and whether the user is in can be carried out within the scope of iris recognition.
Then, can carry out (S403) within the sweep limit, prepare to carry out scan operation just inform the user system if above-mentioned detected eye position is in.
In more detail, the back of above-mentioned catoptron is installed with above-mentioned LED303, so that above-mentioned message handler handles the above-mentioned information of obtaining, and its result is fed back to the user.
At this moment, in the time of in the user is in the iris recognition scope, above-mentioned LED303 will show the LED of particular color, in the time of outside the user is in the iris recognition scope, open the LED of different colours.Then, 304 light that see through above-mentioned selected LED wavelength of above-mentioned catoptron.
Then, open above-mentioned black light lamp 302, after illuminating the zone of around eyes, obtain user's iris information (S404).
At last, after having generated iris-encoding, the above-mentioned iris information of obtaining is sent to preparation carries out in the external device (ED) of iris recognition (S405).
That is, generate iris-encoding, perhaps the iris information of obtaining is encrypted, be sent on the server of having set up database, and send it in other devices, to prepare to carry out the iris recognition operation to prepare carrying out above-mentioned iris recognition operation.
At this moment, finish,, therefore it is not done explanation separately because remaining operation is identical with common mode in the preparatory stage of iris recognition.
Detecting in the stage of above-mentioned eye position, if the position of eyes not within sweep limit, also will be carried out and inform user's As-Is, and the guiding user enters the stage (S406) of sweep limit.
In addition, Fig. 6 is the simple accompanying drawing that shows the employed another kind of indicating module structure of mobile iris identifying system of the present invention.
As shown in Figure 6, indicating module 201 is by constituting as the lower part:
Be used to take the camera 601 of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp 602 that utilizes above-mentioned camera 601 to take;
System is used to guide user's aligned position, so that can obtain the display 603 of discernible eye position.
If aforementioned display device 603 is set at the iris screening-mode, will demonstrate cyclic form.At this moment, the user watches this ring attentively, utilizes above-mentioned camera 601 to obtain face's information.
In above-mentioned face's information of obtaining, detect the position of eyes, in the time of in eye position is in the iris recognition scope, eyes will be displayed on above-mentioned annular inboard, in the time of outside eye position is in the iris recognition scope, ring-shaped inner part will show very fuzzyly, and the prompting user adjusts the position.
The invention described above has applied to the indicating module of iris authentication system in the mobile device, and the user can utilize such equipment, carries out iris recognition more easily.
The present invention describes with reference to embodiment shown in the drawings, and accompanying drawing only is a synoptic diagram, and in above-mentioned description, the related work personnel can carry out diversified variation or modification fully under the prerequisite that does not depart from this invention technological thought scope.Therefore, the technical scope of this invention is not limited to the content that embodiment puts down in writing, and must determine its technical scope according to the scope of claim.
Claims (6)
1, a kind of mobile iris identifying system is characterized in that, comprises as the lower part:
Be used to guide the user to enter in the certain distance scope and after the eyes of aiming at the user, obtain the indicating module of user's iris information;
Be used to store the storer of the iris information that above-mentioned indicating module obtains;
Extract the positional information of iris the information in being stored in above-mentioned storer, and it is treated to the message handler of iris-encoding;
Be used to transmit the above-mentioned input/output module that passes through the iris information of message handler processing.
2, mobile iris identifying system according to claim 1 is characterized in that above-mentioned indicating module comprises as the lower part:
Be used to take the camera of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp that utilizes above-mentioned camera to take;
System is used to guide user's aligned position, so that can obtain the LED of discernible eye position;
In above-mentioned LED, be used for making the long light of institute's standing wave to pass through, it is shown to user's catoptron.
3, mobile iris identifying system according to claim 1 is characterized in that above-mentioned indicating module comprises as the lower part:
Be used to take the camera of user's iris information;
Be used for to user's irradiation ultraviolet radiation light, so that the black light lamp that utilizes above-mentioned camera to take;
System is used to guide user's aligned position, so that can obtain the display of discernible eye position.
4, a kind of mobile iris recognition methods is characterized in that, comprises as the next stage:
Phase one, obtain face's information of user;
Subordinate phase detects the position of eyes from above-mentioned face's information of obtaining;
Phase III,, show that to the user preparation scans if above-mentioned detected eye position is in the scope that can scan;
The quadravalence section is opened above-mentioned black light lamp, obtains iris information;
Five-stage behind the iris-encoding that has generated the above-mentioned iris information of obtaining, sends it to recognition system.
5, as mobile iris recognition methods as described in the claim 4, it is characterized in that:
Detect in the stage of above-mentioned eye position,, judge whether eye position is within the sweep limit according to the eye position of above-mentioned face's information of obtaining.
6, as mobile iris recognition methods as described in the claim 4, it is characterized in that:
Detect in the stage of above-mentioned eye position, if the position that is judged as eyes is shown to the user with information immediately not in sweep limit, and the guiding user enters sweep limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094551 CN1936920A (en) | 2005-09-23 | 2005-09-23 | Mobile iris identifying system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094551 CN1936920A (en) | 2005-09-23 | 2005-09-23 | Mobile iris identifying system and method |
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| CN1936920A true CN1936920A (en) | 2007-03-28 |
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| CN 200510094551 Pending CN1936920A (en) | 2005-09-23 | 2005-09-23 | Mobile iris identifying system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051349B (en) * | 2007-05-18 | 2010-10-13 | 北京中科虹霸科技有限公司 | Multiple iris collecting device using active vision feedback |
| CN102722924A (en) * | 2012-05-30 | 2012-10-10 | 深圳光启创新技术有限公司 | Light-operated access control system based on iris identification of mobile phone |
| WO2015172515A1 (en) * | 2014-05-16 | 2015-11-19 | 北京天诚盛业科技有限公司 | Iris recognition method and device for mobile terminal |
| CN105095893A (en) * | 2014-05-16 | 2015-11-25 | 北京天诚盛业科技有限公司 | Image acquisition device and method |
| CN106557737A (en) * | 2016-09-27 | 2017-04-05 | 北京无线电计量测试研究所 | A kind of portable iris identifying device |
-
2005
- 2005-09-23 CN CN 200510094551 patent/CN1936920A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051349B (en) * | 2007-05-18 | 2010-10-13 | 北京中科虹霸科技有限公司 | Multiple iris collecting device using active vision feedback |
| CN102722924A (en) * | 2012-05-30 | 2012-10-10 | 深圳光启创新技术有限公司 | Light-operated access control system based on iris identification of mobile phone |
| CN102722924B (en) * | 2012-05-30 | 2015-06-03 | 深圳光启创新技术有限公司 | Light-operated access control system based on iris identification of mobile phone |
| WO2015172515A1 (en) * | 2014-05-16 | 2015-11-19 | 北京天诚盛业科技有限公司 | Iris recognition method and device for mobile terminal |
| CN105095847A (en) * | 2014-05-16 | 2015-11-25 | 北京天诚盛业科技有限公司 | Iris identification method and apparatus for mobile terminal |
| CN105095893A (en) * | 2014-05-16 | 2015-11-25 | 北京天诚盛业科技有限公司 | Image acquisition device and method |
| CN106557737A (en) * | 2016-09-27 | 2017-04-05 | 北京无线电计量测试研究所 | A kind of portable iris identifying device |
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