CN1940959A - Portable iris discriminating system and method - Google Patents
Portable iris discriminating system and method Download PDFInfo
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- CN1940959A CN1940959A CN 200510030217 CN200510030217A CN1940959A CN 1940959 A CN1940959 A CN 1940959A CN 200510030217 CN200510030217 CN 200510030217 CN 200510030217 A CN200510030217 A CN 200510030217A CN 1940959 A CN1940959 A CN 1940959A
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Abstract
A portable iris identification system comprises indication module for obtaining iris image of user when indication module is aligned to eye of user, storage for storing iris image obtained by indication module, image processor for detecting out position of iris in image stored in storage and for using iris code to process said image, and I / O module for transmitting iris image being processed by image processor.
Description
Technical field
The invention relates to portable iris recognition system and the method for utilizing this system identification iris, the user particularly in this portable unit, increased the hardware simplicity of iris authentication system, so can use the portable iris recognition system that can discern iris and the method for utilizing this system that iris is discerned more easily.
Background technology
As everyone knows, for safety or strick precaution purpose.Identity authorization system can use existing contact or contactless card chip system or fingerprint recognition system; Or, allow a kind of system of specific place of discrepancy or contact customizing messages by the iris authentication system authenticating identity.
Wherein, above-mentioned iris authentication system is higher than the discrimination of fingerprint recognition system, can discern more exactly.Iris authentication system in the iris image after photography, utilizes the image processing technique of iris feature pattern using video camera to photograph, after carrying out datumization and handling, and a kind of individual identification Verification System that contrasts with the iris data of prior record.
As shown in Figure 1, the formation generalized schematic of the iris authentication system that expression is general.Please refer to Fig. 1, the operation to iris authentication system is elaborated below.
If the user is near iris authentication system, range determination sensor 109 will be measured user's distance; Arrive control device 105 by gearing 107 transmission range measured values, judge that above-mentioned range determination value is whether within the scope of its setting.
The user is under the interior situation of this setting range, uses gearing 107 output control signals, prepares to extract the iris image.Activation signal in the gearing 107 transmit outer indicators 108 makes the user know the operation of system.The user is by optical window 101, if make the optical axis of eye alignment video camera 103, mirror 102 blocking-up visible rays make it pass through infrared ray.Simultaneously, show the iris position partly, the user confirms whether eye position has aimed at the optical axis of video camera 103.
In addition, control device 105 obtains measuring the distance value from range determination sensor 109 to the user, utilizes this range determination value, calculates the scale value and the focal length value of video camera 103, and operation is amplified/dwindled and focus control.Then, control device 105 is according to the range determination value, by gearing 107, photograph the iris image, photography back iris image is analyzed the iris image in Frame Handler 104, and handles the signal that conforms to, and the iris image information after handling is stored among the DB (data pedestal) 110; In the control device 105 that has this canned data, carry out iris recognition, and whether determine authenticated.
In addition, as mentioned above, whether carry out iris recognition quickly and accurately in the iris authentication system, depend primarily on the performance of this system.Using under the situation of single light in the general recognition system of this technical field, owing to the glasses reflection problems takes place, so in order to address this problem, utilize a plurality of illuminations, and change lighting position and can avoid 2 secondary reflections that cause owing to glasses, to obtain required image.
In addition, though utilize the iris authentication system of above-mentioned authentification of message can widespread use, can only authenticate in the place of particular place setting.
So the user is in order to obtain authentication, iris recognition is carried out in the place that must directly go to be provided with, like this problem with regard to having occurred making troubles to the user.
Summary of the invention
To the objective of the invention is in order addressing the above problem, a kind of hardware simplicity that increases iris authentication system in portable product to be provided, the user just can use the portable iris recognition system that can discern iris and the method for discerning iris thereof more easily.
To achieve these goals, portable iris recognition system of the present invention has following main composition feature.
In user distance and after aiming at eyes, obtain the indicating module of client iris image;
In the image of above-mentioned indicating module stored, detect the iris position, use the image processor of iris processing;
Be transmitted in the I/O module of the iris image after handling in the above-mentioned image processor.
Above-mentioned especially indicating module has the constitutive characteristic of following part.The video camera that user image is photographed; For using above-mentioned video camera, shine the infrared illumination device of infrared ray to the user; Guiding may be discerned the LED of eyes of user position; In above-mentioned LED, make the wavelength of the bright lamp of its projection, the mirror of explicit user.
As mentioned above, particularly above-mentioned indicating module also comprises following constitutive characteristic.The video camera that user image is photographed; For using above-mentioned video camera, shine the infrared illumination device of infrared ray to the user; Guiding may be discerned the display device of eyes of user position.
In addition, to achieve these goals, as long as the method for portable iris recognition system of the present invention identification iris may further comprise the steps feature.
Obtain the step of user's face;
In above-mentioned acquisition image of face, detect the step of the position of eyes;
If the position of the above-mentioned eyes that detect shows the step that attempt is discerned the user within the possibility identified range;
After above-mentioned infrared illumination device lights, obtain the step of image;
The iris image of above-mentioned acquisition uses the step of external device (ED) transmission after generating the iris sign indicating number.
As the above, the particularly above-mentioned position step that detects eyes has, and according to the eye position of the image of face of above-mentioned acquisition, judges its whether feature within identification range.
In the above-mentioned step that detects eye position, also have, if the position of eyes not within identified range, shows the feature of guiding user in the identification range.
As mentioned above, if increase the hardware simplicity of iris authentication system according to the present invention in portable product, the user just can carry out iris recognition more easily.
Effect of the present invention:
As mentioned above, method according to portable iris recognition system of the present invention and identification iris thereof, because just increased the hardware simplicity of iris authentication system in portable product, so the user can carry out iris recognition more easily, the present invention can be applicable to cheapness and midget plant.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 represents, the formation generalized schematic of general iris authentication system.
Fig. 2 represents, according to the formation generalized schematic of portable iris recognition system of the present invention.
Fig. 3 represents, the formation generalized schematic of the indicating module of foundation portable iris recognition system of the present invention.
Fig. 4 represents, according to the sequence of operation generalized schematic of portable iris recognition system of the present invention recognition methods.
Fig. 5 represents, foundation portable iris recognition system of the present invention, and according to the distance that obtains image, the position view of eyes.
Fig. 6 represents, the formation generalized schematic of the indicating module of other portable iris recognition system.
The symbol description of major part in the accompanying drawing:
201: indicating module 202: storer
203: image processor 204:I/O module
301,601: video camera 302,602: infrared illumination device
303:LED (light emitting diode) 304: mirror
603: display device
Embodiment
The embodiment of method to portable iris recognition system of the present invention and identification iris thereof is elaborated below with reference to accompanying drawings.
As shown in Figure 2, expression is according to the formation generalized schematic of portable iris recognition system of the present invention.Mainly contain following constitutive characteristic, obtain the indicating module 201 of client iris image; The storer 202 of the iris image that storage obtains from above-mentioned indicating module 201; After from above-mentioned storer 202, detecting the iris position in the image of storage, the image processor 203 that uses the iris sign indicating number to handle; Be transmitted in the I/O device of the iris image of handling in the above-mentioned image processor 203.
In addition, Fig. 3 represents the formation skeleton diagram according to the indicating module of portable iris recognition system of the present invention.Mainly contain following constitutive characteristic, the indicating module 201 of portable iris recognition system, the video camera 301 that user's image is photographed; For using above-mentioned video camera 301, to the infrared illumination device 302 of user's reflective infrared linear light; The guiding user can discern light emitting diode (LED) 303 devices of eye position; In above-mentioned LED303, only throw the wavelength of bright lamp, the mirror of explicit user.
The user is by above-mentioned mirror 304, if make the optical axis of the above-mentioned video camera 301 of eye alignment, above-mentioned LED303 device confirms whether the user is within the opereating specification, the optical axis of confirming above-mentioned video camera 301 whether with aim at eyes.
At this moment, handle the image that from above-mentioned image processor 203, obtains, judge that distance between above-mentioned video camera 301 and user's the eyes whether within opereating specification, uses the bright lamp of above-mentioned LED303 device to show The above results.
Fig. 4 represents, the sequence of operation generalized schematic of the recognition methods of foundation portable iris recognition system of the present invention.As shown in the figure, this method comprises following part.
The S401 step at first, if the user watches indicating module 201 attentively, lights above-mentioned infrared illumination device 302, according to above-mentioned video camera 301, obtains the process of user's image of face.
At this moment,, the visible light of above-mentioned mirror 304 is pointed to, just can be obtained user's eyes by above-mentioned mirror 304.
Next the S402 step, in obtaining above-mentioned image of face, detects the process of the center of eyes; At this moment, in the image of face of above-mentioned acquisition, can measure the distance of user and video camera 301 according to the position of eyes, according to said determination as a result explicit user whether in identification range.
In addition, Fig. 5 represents according to portable iris recognition system of the present invention, in the image that obtains, according to the synoptic diagram of distance display eye position.As shown in the figure, the user is in order to see the eyes that impinge upon in the indicating module mirror oneself, and under the situation that must move forward and backward, variation mutually between the axle of above-mentioned indicating module and the above-mentioned video camera makes it see the position of eyes in image.
According to the image distance that different distance obtains, can see that the eye distance of image position is also changing.
If be described in further detail, the zone that the center of eyes may focus on according to video camera and the size of necessary iris decide.
The S403 step, at this moment, the center of analyzing eyes in above-mentioned indicating module 201 from the image of above-mentioned acquisition confirms that iris recognition operation that the user carries out is whether within the scope of regulation somewhere.
The S404 step, and, if the position of the above-mentioned eyes that detect within identified range promptly, can feed back the identification attempt of explicit user.
In above-mentioned image processor, handle the image of above-mentioned acquisition,, above-mentioned light emitting diode (LED) 303 devices have been installed in the back of above-mentioned mirror in order to feed back (FEEDBACK) The above results.
At this moment, above-mentioned LED 303 is under the situation of user in the iris recognition scope, and the lamp of the LED of particular color will light; In the time of beyond being in the iris recognition scope, the lamp of other color will extinguish.Simultaneously, the light of the LED wavelength of 304 above-mentioned selections of projection of above-mentioned mirror.
Make above-mentioned infrared illumination device 302 light, after around eyes is bright, the process of operation iris recognition.
The S405 step, last, the iris image of above-mentioned acquisition generates after the iris sign indicating number, in order to carry out iris recognition, the process of using external device (ED) to transmit.
That is, the iris sign indicating number that generates in order to carry out above-mentioned iris recognition or carry out Cipher Processing, that uses that the data pedestal makes up servoly transmits or uses other device to transmit, and carries out iris recognition.
At this moment, after the iris recognition step, because can be suitable for general mode, so omitted its detailed description.
The S406 step, in addition, in detecting the step of above-mentioned eye position, if the process that the position of eyes not within identification range, guides the user to enter identification range is operation.
Fig. 6 represents, the formation generalized schematic of the indicating module of foundation other portable iris recognition system of the present invention.As shown in the figure, this figure comprises following component part.Indicating module 201 is taken user's image photographic camera; In order to use above-mentioned video camera 601, use infrared ray irradiation user's infrared illumination device 602; The guiding user arrives the display device 603 of the eye position that may discern.
In above-mentioned display device 603,, be shown as the round attitude if use photograph mode to set.At this moment, the user watches this circle attentively, just can obtain image of face according to above-mentioned video camera 601.
In the image of face of above-mentioned acquisition, detect the position of eyes, if in the iris recognition opereating specification, eyes are presented at the inboard of above-mentioned round attitude; If outside opereating specification with FLOW VISUALIZATION.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (6)
1, a kind of portable iris recognition system is characterized in that comprising:
In specialized range and after aiming at eyes, obtain the indicating module of client iris image to user's distance;
Storage obtains the storer of iris image in above-mentioned indicating module;
In the image of in above-mentioned storer, storing, detect the position of iris, and carry out the image processor of iris sign indicating number processing;
Be transmitted in the I/O module of the iris image of handling in the above-mentioned image processor.
2, portable iris recognition system as claimed in claim 1 is characterized in that above-mentioned indicating module mainly is made of following part:
Take the video camera of user image;
For using above-mentioned video camera, use infrared ray irradiation user's infrared illumination device;
The guiding user arrives the light emitting diode of the eye position that may discern;
In above-mentioned light emitting diode, only throw the wavelength of bright lamp, the mirror of explicit user.
3, portable iris recognition system as claimed in claim 1 is characterized in that above-mentioned indicating module mainly is made of following part:
Take the video camera of user image;
For using above-mentioned video camera to make a video recording, use infrared ray irradiation user's infrared illumination device;
The guiding user arrives the display device of the eye position that may discern.
4, a kind of method of portable iris recognition system identification iris is characterized in that comprising:
Obtain the step of user's image of face;
Detect the step of eyes in the image of face of above-mentioned acquisition;
If the above-mentioned eye position that detects in identification range, the step of explicit user identification;
Light above-mentioned infrared illumination device, obtain the step of iris image;
Above-mentioned acquisition iris image generates after the iris sign indicating number, the step of using external device (ED) to transmit.
5, the method for portable iris recognition system identification iris as claimed in claim 4 is characterized in that:
The above-mentioned step that detects eyes is the eye position according to the image of face of above-mentioned acquisition, judges its whether process within identification range.
6, the method for portable iris recognition system identification iris as claimed in claim 4 is characterized in that:
In the above-mentioned step that detects eyes, if the position of eyes not within identified range, the guiding user arrives the process within the identification range.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030217 CN1940959A (en) | 2005-09-29 | 2005-09-29 | Portable iris discriminating system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030217 CN1940959A (en) | 2005-09-29 | 2005-09-29 | Portable iris discriminating system and method |
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| CN1940959A true CN1940959A (en) | 2007-04-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106401A (en) * | 2013-02-06 | 2013-05-15 | 北京中科虹霸科技有限公司 | Mobile terminal iris recognition device with human-computer interaction mechanism and method |
| CN105678228A (en) * | 2014-04-04 | 2016-06-15 | 沈洪泉 | Iris identification optical imaging module for mobile safety identity authentication, and application method thereof |
| WO2016141561A1 (en) * | 2015-03-11 | 2016-09-15 | 北京释码大华科技有限公司 | Iris identity authentication accessory and system |
| 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 |
| CN107633589A (en) * | 2017-10-30 | 2018-01-26 | 贵州维讯光电科技有限公司 | Iris authentication system for luggage case |
| CN108027881A (en) * | 2015-09-24 | 2018-05-11 | 微软技术许可有限责任公司 | Use the user authentication of a variety of capturing technologies |
| CN108293097A (en) * | 2015-12-17 | 2018-07-17 | 英特尔公司 | Iris imaging |
| CN107633589B (en) * | 2017-10-30 | 2024-04-30 | 贵州维讯光电科技有限公司 | Iris recognition system for luggage case |
-
2005
- 2005-09-29 CN CN 200510030217 patent/CN1940959A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106401A (en) * | 2013-02-06 | 2013-05-15 | 北京中科虹霸科技有限公司 | Mobile terminal iris recognition device with human-computer interaction mechanism and method |
| CN103106401B (en) * | 2013-02-06 | 2017-02-22 | 北京中科虹霸科技有限公司 | Mobile terminal iris recognition device with human-computer interaction mechanism |
| CN105678228A (en) * | 2014-04-04 | 2016-06-15 | 沈洪泉 | Iris identification optical imaging module for mobile safety identity authentication, and application method thereof |
| CN105678228B (en) * | 2014-04-04 | 2017-11-28 | 贵阳科安科技有限公司 | Iris recognition optical imagery module and application method for safety identification authentication |
| WO2016141561A1 (en) * | 2015-03-11 | 2016-09-15 | 北京释码大华科技有限公司 | Iris identity authentication accessory and system |
| CN108027881A (en) * | 2015-09-24 | 2018-05-11 | 微软技术许可有限责任公司 | Use the user authentication of a variety of capturing technologies |
| CN108027881B (en) * | 2015-09-24 | 2023-01-06 | 微软技术许可有限责任公司 | User authentication using multiple capture techniques |
| CN108293097A (en) * | 2015-12-17 | 2018-07-17 | 英特尔公司 | Iris imaging |
| 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 |
| CN107633589A (en) * | 2017-10-30 | 2018-01-26 | 贵州维讯光电科技有限公司 | Iris authentication system for luggage case |
| CN107633589B (en) * | 2017-10-30 | 2024-04-30 | 贵州维讯光电科技有限公司 | Iris recognition system for luggage case |
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