CN109903231A - The antidote of VR or AR equipment iris image - Google Patents
The antidote of VR or AR equipment iris image Download PDFInfo
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- CN109903231A CN109903231A CN201711305142.9A CN201711305142A CN109903231A CN 109903231 A CN109903231 A CN 109903231A CN 201711305142 A CN201711305142 A CN 201711305142A CN 109903231 A CN109903231 A CN 109903231A
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- iris
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- iris image
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Abstract
The invention discloses a kind of antidotes of VR or AR equipment iris image, iris authentication device is installed in VR the or AR equipment, iris image of the iris authentication device to acquire user, and the iris of user is registered and identified, the display area of the VR or AR equipment is divided into multiple field of regard, iris authentication device is provided with a distortion correction model for each field of regard, when user is look at the display area of VR or AR equipment, iris authentication device carries out iris image acquiring, and the iris image of different field of regard is corrected by corresponding distortion correction model.An Eye-controlling focus device is additionally provided in VR the or AR equipment, to track the field of regard of the display area of user's current fixation, and the information of watching attentively tracked is sent to iris authentication device, the iris authentication device is corrected according to watching information attentively distortion correction model corresponding with user's current fixation area is selected to collect iris image when watching the field of regard attentively to user.
Description
Technical field
The present invention relates to the antidotes of iris image, and in particular to a kind of correction side of VR or AR equipment iris image
Method.
Background technique
When installing iris authentication device in usual VR or AR equipment, which is typically mounted at display area
At avris position, to avoid blocking display area when being mounted on VR or AR equipment middle position, display effect is influenced.But
When being mounted on avris position, as the plane where the primary optical axis of the iris camera of iris authentication device and display area not
Vertically, so the iris image of the collected user of iris camera often has serious geometric distortion, this geometric distortion is logical
It is often the inside and outside circle decentraction of iris in iris image.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can carry out to the distortion of VR or AR equipment iris image
The method of correction.
In order to realize the above technical effect, described the invention discloses a kind of antidote of VR or AR equipment iris image
Iris authentication device is installed in VR or AR equipment, iris image of the iris authentication device to acquire user, and to user
Iris registered and identified, wherein the display area of the VR or AR equipment is divided into multiple field of regard, and the iris is recognized
Card device is provided with a distortion correction model for each field of regard, when user is look at the display area of VR or AR equipment,
Iris authentication device carry out iris image acquiring, and to the iris image of different field of regard by corresponding distortion correction model into
Row correction.
The improvement of the antidote of VR or AR equipment iris image of the present invention is that the iris authentication device includes a rainbow
Film camera and a data processing system, the iris camera are used to acquire the iris image of user, the data processing system
The collected iris image of iris camera is carried out data processing by system, and then is registered and identified.
The antidote of VR or AR equipment iris image of the present invention further improvement lies in that, iris camera setting
In VR the or AR equipment, at display area avris position.
The antidote of VR or AR equipment iris image of the present invention further improvement lies in that, in VR the or AR equipment also
It is provided with an Eye-controlling focus device, the field of regard of display area of the Eye-controlling focus device to track user's current fixation,
And the information of watching attentively tracked is sent to iris authentication device, the iris authentication device is according to watching information selection and user attentively
The corresponding distortion correction model in current fixation area collects iris image when watching the field of regard attentively to user and corrects.
The antidote of VR or AR equipment iris image of the present invention further improvement lies in that, the distortion of different field of regard is rectified
Positive model is obtained according to the location information of the iris camera.
The antidote of VR or AR equipment iris image of the present invention further improvement lies in that, the distortion correction model is used
The outer circle and inner circle of iris in collected iris image to be corrected to the iris image of concentric circle.
The antidote of VR or AR equipment iris image of the present invention further improvement lies in that, the field of regard be in nine grids
Shape distribution.
Iris camera is installed in display area avris position by the antidote of VR or AR equipment iris image of the present invention
It sets, avoids the using effect for influencing VR or AR equipment, and by the division of field of regard, one distortion is set for each field of regard
Correction model achievees the effect that carry out distortion correction to the iris image that each field of regard obtains, improves the quality of iris image,
So as to fast and accurately carry out the authentication and identification of user.
Detailed description of the invention
Fig. 1 is the schematic diagram for the preferred embodiment that VR or AR device display area of the present invention watches Division attentively.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
The antidote of VR or AR equipment iris image of the present invention, wherein iris authentication dress is equipped in VR or AR equipment
It sets, iris image of the iris authentication device to acquire user, and according to collected iris image to the iris of user
It is registered and is identified.As described in Figure 1, in the present invention, the display area 10 of the VR or AR equipment is divided into and multiple is watched attentively
Area 11, the iris authentication device are provided with a distortion correction model for each field of regard 11, user register in iris or
Watch the display area 10 of VR or AR equipment when identification attentively, iris authentication device carries out Image Acquisition to the iris of user, and to
The iris image that different field of regard 11 take is corrected by distortion correction model corresponding with the field of regard 11.
Further, the iris authentication device includes an iris camera and a data processing system, and the iris is taken the photograph
As head counts the collected iris image of iris camera for acquiring the iris image of user, the data processing system
It registers and identifies according to processing, and then to the iris of user.In the present embodiment, the iris camera is arranged in the VR
Or in AR equipment, at close 10 avris position of display area, when avoiding user using VR, iris camera blocks display area,
Affect experience effect.
Further, in the present embodiment, an Eye-controlling focus device, the sight are additionally provided in VR the or AR equipment
When the field of regard 11 of display area 10 of the follow-up mechanism to track user's current fixation, i.e. user use VR equipment, the view
Line follow-up mechanism tracks which field of regard 11 of current watched attentively the display area 10 of user, and then the Eye-controlling focus device will be tracked
To user's current fixation information be sent to iris authentication device, the iris authentication device according to user's current fixation information,
That is the field of regard 11 currently watched attentively of user selects distortion correction model corresponding with user's current fixation area 11 to user's note
Collected iris image is corrected when depending on the field of regard 11.
Further, since iris camera is installed at avris position, user when using VR equipment its be watch attentively it is aobvious
Show region 10, rather than watches iris camera attentively, therefore when user watches display area 10 attentively, the rainbow of the collected user of iris camera
There is distortion in film image, i.e., the outer circle of client iris and inner circle and non-concentric in iris image, difficult so as to cause segmentation.Sternly
Lattice say that the obtained iris image in each position that user watches display area 10 attentively is different, i.e. distortion shape is all different
Sample, but if being directed to user if a distortion correction model is arranged in each blinkpunkt of display area, difficulty is big, when
Between it is long, in the present embodiment, display area 10 being divided into multiple field of regard 11, is only arranged for each field of regard 11
One unified distortion correction model when that is, user watches any position of a certain field of regard 11 attentively, all uses and the field of regard pair
The same distortion correction model answered corrects iris image.
In the present embodiment, the distortion correction model of different field of regard 11 is obtained according to the location information of the iris camera
Out, the outer circle and inner circle of iris in collected iris image mainly to be corrected the rainbow of concentric circle by the distortion correction model
Film image.
Preferably, in the present embodiment, the field of regard 11 is distributed in nine grids shape, it in other embodiments, can basis
The shape of practical VR or AR equipment and the shape of display area carry out the division of other forms, convenient for building for distortion correction model
It is vertical.
When user uses VR or AR equipment, iris camera acquires the iris of user, and Eye-controlling focus device chases after at the same time
Track determines the blinkpunkt of user at this time, and the information of the blinkpunkt is sent to iris authentication device, and iris authentication device is into one
It walks and determines this blinkpunkt is located at which field of regard 11, and distortion correction model corresponding with the field of regard 11 is selected to image iris
Head carries out distortion correction in the collected iris image of the blinkpunkt, and the iris image corrected is carried out by data processing system
Iris segmentation completes iris registration or iris recognition.
The antidote of VR or AR equipment iris image of the present invention, by the division of field of regard, convenient for establishing distortion correction
Model, then determine by Eye-controlling focus device the blinkpunkt position of user, select corresponding distortion correction model to this blinkpunkt
The iris image of acquisition carries out distortion correction, to correct the iris image of concentric circle, then is realized by data processing system
The iris of user is registered or identification.
It is described the invention in detail above in conjunction with accompanying drawings and embodiments, those skilled in the art can basis
Above description makes many variations example to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention,
The present invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (7)
1. a kind of antidote of VR or AR equipment iris image, iris authentication device is installed in VR the or AR equipment, it should
Iris image of the iris authentication device to acquire user, and the iris of user is registered and identified, it is characterised in that: institute
The display area for stating VR or AR equipment is divided into multiple field of regard, and the iris authentication device is provided with one for each field of regard
A distortion correction model, when user is look at the display area of VR or AR equipment, iris authentication device carries out iris image acquiring,
And the iris image of different field of regard is corrected by corresponding distortion correction model.
2. the antidote of VR or AR equipment iris image according to claim 1, it is characterised in that: the iris authentication
Device includes an iris camera and a data processing system, and the iris camera is used to acquire the iris image of user, institute
It states data processing system and the collected iris image of iris camera is subjected to data processing, and then register and identify.
3. the antidote of VR or AR equipment iris image according to claim 2, it is characterised in that: the iris camera shooting
Head is arranged in VR the or AR equipment, at display area avris position.
4. the antidote of VR or AR equipment iris image according to claim 1, it is characterised in that: the VR or AR are set
It is standby to be above additionally provided with an Eye-controlling focus device, the note of display area of the Eye-controlling focus device to track user's current fixation
Vision area, and the information of watching attentively tracked is sent to iris authentication device, the iris authentication device is selected according to information is watched attentively
Distortion correction model corresponding with user's current fixation area collects iris image when watching the field of regard attentively to user and rectifys
Just.
5. the antidote of VR or AR equipment iris image according to claim 2, it is characterised in that: different field of regard
Distortion correction model is obtained according to the location information of the iris camera.
6. the antidote of VR or AR equipment iris image according to claim 1, it is characterised in that: the distortion correction
Iris image of the model the outer circle and inner circle of iris in collected iris image to be corrected to concentric circle.
7. the antidote of VR or AR equipment iris image according to claim 1, it is characterised in that: the field of regard is in
The distribution of nine grids shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305142.9A CN109903231A (en) | 2017-12-11 | 2017-12-11 | The antidote of VR or AR equipment iris image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305142.9A CN109903231A (en) | 2017-12-11 | 2017-12-11 | The antidote of VR or AR equipment iris image |
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| Publication Number | Publication Date |
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| CN109903231A true CN109903231A (en) | 2019-06-18 |
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| CN201711305142.9A Pending CN109903231A (en) | 2017-12-11 | 2017-12-11 | The antidote of VR or AR equipment iris image |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211543A (en) * | 2019-07-10 | 2019-09-06 | 京东方科技集团股份有限公司 | Local backlight adjusting method and device, virtual reality system |
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| JP2009205203A (en) * | 2008-02-26 | 2009-09-10 | Oki Electric Ind Co Ltd | Iris authentication device |
| CN103366381A (en) * | 2013-08-06 | 2013-10-23 | 山东大学 | Sight line tracking correcting method based on space position |
| CN105975933A (en) * | 2016-05-05 | 2016-09-28 | 上海聚虹光电科技有限公司 | Iris identification system based on transparent screen |
| CN107005670A (en) * | 2014-12-17 | 2017-08-01 | 日立麦克赛尔株式会社 | Image display, image display system and image display method |
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2017
- 2017-12-11 CN CN201711305142.9A patent/CN109903231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009205203A (en) * | 2008-02-26 | 2009-09-10 | Oki Electric Ind Co Ltd | Iris authentication device |
| CN103366381A (en) * | 2013-08-06 | 2013-10-23 | 山东大学 | Sight line tracking correcting method based on space position |
| CN107005670A (en) * | 2014-12-17 | 2017-08-01 | 日立麦克赛尔株式会社 | Image display, image display system and image display method |
| CN105975933A (en) * | 2016-05-05 | 2016-09-28 | 上海聚虹光电科技有限公司 | Iris identification system based on transparent screen |
Non-Patent Citations (1)
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| 罗兴贤等: "基于图像处理的视线方向跟踪研究", 《现代制造工程》 * |
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| CN110211543A (en) * | 2019-07-10 | 2019-09-06 | 京东方科技集团股份有限公司 | Local backlight adjusting method and device, virtual reality system |
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