CN102848786B - Three-dimensional identity card and preparation method thereof - Google Patents
Three-dimensional identity card and preparation method thereof Download PDFInfo
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Abstract
A kind of Three-dimensional identity card and preparation method thereof, Three-dimensional identity card part comprises the content of two aspects: first is three-dimensional identification photographs, and the photo namely on identity document is 3 D stereo, can see the facial image of a 3 D stereo; The 3 D stereo data of the electronic information record face in the second identity document, the 3 D stereo data of this face are when taking identification photographs, record and are loaded in the electronic chip of identity document; During use, detection camera can obtain the three-dimensional face information of user, judges whether it is I of original identity document.Three-dimensional identity card part is the display of follow-on identity and recognition technology, such as, Three-dimensional identity card will be widely used in citizenship certification, and Three-dimensional identity card part is all necessary to use in multiple occasions such as customs, airport security, security personnel, bank cipher, computer information security login and worker's certifications.
Description
Technical field
The present invention relates to identity card, particularly a kind of Three-dimensional identity card and preparation method thereof, this identity card has the 3-d photographs information of 3-d photographs and storage inside.
Technical background
Identity card is a kind of certificate widely using mark people identity at present.Photo on current identity card is two dimensional surface photo, does not have third dimension, not only lacks lively sense and interest, and when using, only with visually observing, likely under the conditions such as camouflage, cannot correctly identify.
Current two-dimension human face recognition technology normally carries out judging according to plane informations such as face and the distances between them, but when the angle of face and video camera changes, the distance between face changes thereupon, just likely produces erroneous judgement.Therefore, develop Three-dimensional identity card technology of new generation, significant.
Three-dimensional identity card can show 3 D stereo information, makes it more difficult and is forged, and moreover, the 3 D stereo information of face is precisely recorded, and particularly the three-D profile information of face is accurately recorded in digitized form.During use, not only can see three-dimensional stereo photo, and the three-D profile information of face is also simultaneously for Computer Automatic Recognition, this makes Three-dimensional identity card more be difficult to forge.
Had multiple 3 D stereo record and Display Technique at present, not only can see 3 D stereo human face photo, and had the three-D profile numeral of multiple face to obtain and Display Technique, but these technology are not applied in Three-dimensional identity card technology.
Summary of the invention
The object of the present invention is to provide a kind of Three-dimensional identity card and preparation method thereof, this identity card has the steric information of the 3-d photographs of 3-d photographs and storage inside, not only utilize the eyes of people can see the three-dimensional stereo photo of the head of end user or identity people, and the three-D profile information of face is also by Computer Automatic Recognition, this makes Three-dimensional identity card more be difficult to forge.
Technical solution of the present invention is as follows:
A kind of Three-dimensional identity card, comprise the name of the photo of a number of people and identity people, sex, nationality, date of birth, address, citizenship number, issuing authority and period of validity, it is characterized in that described photo is three-dimensional, this photo covers one deck microlens array or other micro-optical devices, in the electronic chip of this identity card, also stores the multinomial digital information of the three dimensional comprising face.
Described multinomial digital information comprises two parts: a part is the not revisable digital information formulated by state ministry of public security door of the three dimensional and relevant citizenship and so on of face, and another part is that other authorize the digital information of department or agency increase or the blood group revised, transportation card, bank card, social security card and medical card.
Described photo is the coloured image of 3 D stereo display.
The preparation method of described Three-dimensional identity card, comprise 3-d photographs, electronic chip digital information stores and identity card combination is installed, it is characterized in that the preparation method of described 3-d photographs is the three-dimensional data adopting camera head to be obtained from the face of identity card by the shooting of optical 3-dimensional object and synthetic technology.
The preparation method of described Three-dimensional identity card, its feature is that the preparation method of described 3-d photographs comprises the following steps:
1. set up camera head to comprise: lighting source, left camera head, right camera head and computer, described left camera head is made up of as sensitive detection parts left eye light path imaging lens and left eye index path, right camera head is made up of as sensitive detection parts right eye light path imaging lens and right eye index path, described left eye index path is connected with the input of computer as the output of sensitive detection parts with right eye index path as sensitive detection parts, described left camera head and right camera head and described facial symmetry are arranged, angle between described left camera head and right camera head is 5 ° ~ 180 °,
2. start lighting source, described left eye index path records facial image as sensitive detection parts and right eye index path as sensitive detection parts simultaneously, and inputs computer;
3. computer carries out the reconstruction of three-dimensional face to facial image.
Described lighting source is made up of light source successively, structure light coding device and projecting lens.
Described structure light coding device is other structures of grating, checkerboard grid or gray scale gradual change.
Technique effect of the present invention is as follows:
Three-dimensional identity card part of the present invention comprises the content of two aspects: first is three-dimensional identification photographs, and the photo namely on identity document is 3 D stereo, can see the facial image of a 3 D stereo; The 3 D stereo data of the electronic information record face in the second identity document, the 3 D stereo data of this face are when taking identification photographs, record and are loaded in the electronic chip of identity document; During use, detection camera can obtain the three-dimensional face information of user, judges whether it is I of original identity document.
Three-dimensional identity card part is the display of follow-on identity and recognition technology, such as, Three-dimensional identity card will be widely used in citizenship certification, and all kinds of Three-dimensional identity card part is all necessary to use in multiple occasions such as customs, airport security, security personnel, bank cipher, computer information security login and worker's certifications.
Accompanying drawing explanation
Fig. 1 is Three-dimensional identity card schematic diagram of the present invention.
Fig. 2 is face Three-dimensional Display process in Three-dimensional identity card.Left-and right-eye images is taken by left and right angle video camera respectively and is obtained, and forms right and left eyes composograph, be recorded in Three-dimensional identity card after alternate combinations.The surface of Three-dimensional identity card has one deck microlens array or other micro-optical device, right and left eyes image can be projected the right and left eyes position of observer by respectively, thus produces the 3D vision effect of face.1: left-eye image; 2: eye image; 3: right and left eyes composograph; 4: lenticule optics; 5: left eye; 6: right eye; 7: observer.
Fig. 3 images of left and right eyes two image sets synthesize a kind of arrangement mode of a stereo-picture.1-1,1-2,1-N are respectively left-eye image first row, secondary series and N row; 2-1,2-3,2-N are respectively the first row of eye image, secondary series and N row; 3-1,3-2,3-2N are respectively the first row of right and left eyes composograph, secondary series and 2N row.
Fig. 4 face three-D profile acquisition of information and recognition technology.8 is light source; 9 is structure devices; 10 is illuminating lens; 11 is left eye imaging optical path, and 12 is left eye light path imaging lens; 13 is that left eye index path is as sensitive detection parts; 21 is right eye imagery light path; 22 is right eye light path imaging lens; 23 is that right eye index path is as sensitive detection parts; 30 is computer.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but should not limit the scope of the invention with this.
First refer to Fig. 1, Fig. 1 is Three-dimensional identity card schematic diagram of the present invention.As seen from the figure, Three-dimensional identity card of the present invention comprises the name of the photo of a number of people and identity people, sex, nationality, date of birth, address, citizenship number, issuing authority and period of validity, its feature is that described photo is three-dimensional, also stores the multinomial digital information of the three-D profile comprising face in this identity card in electronic chip.
Directly can see three-dimensional stereoscopic photograph; And it is stored in identity card in electronic chip, this part information be by video camera by optical 3-dimensional object measuring technique, obtain three-dimensional data from the face of identity card.During use, still obtained the face three-D profile information of user by video camera, and compare with the three-dimensional information in identity card, namely three-dimensional identification can have been assisted automatically by computer, also can artificial judgment.Comprehensive, Three-dimensional identity card of the present invention had both contained and can observe directly three-dimensional identification photographs technology, included again the three-dimensional face outline data of Computer Automatic Recognition.
Introduce this two unit actualizing technology below respectively.First introduce three-dimensional stereo photo technology, had multiple stereoscopic photograph technology, its core is all the image simultaneously seen of recorder's right and left eyes respectively, and this right and left eyes image combining is Three-dimensional identity card photo.By micro-optics technology, make right and left eyes image enter the right and left eyes of people respectively, just by the parallax effect of human eye, can automatically synthesize a width three-dimensional stereo photo in human brain.
Such as, a kind of fairly simple 3-d photographs technology is exactly adopt microlens array technology.Its principle is exactly that right and left eyes Iamge Segmentation combined crosswise becomes a width combination image, one deck microlens array film is covered on this width combination image, corresponding right and left eyes image is made to throw the right and left eyes of past people respectively by this layer of lenticule film, thus automatically synthesize a width three-dimensional stereo photo by human brain, as shown in Figure 2.
Several right and left eyes anaglyphs can be walked abreast to place by multiple camera and taking pictures to I of identity card simultaneously and obtain.Certainly, also can be obtained at diverse location scanning shoot different images by a camera.No matter adopt which kind of three-dimensional stereo display technique, all may be used for record and the display of three-dimensional identification photographs.
The three-D profile technology for information acquisition of face is discussed below.There is multiple face profile information acquisition methods at present.The most widely used is exactly the 3 D stereo technology for information acquisition of Structured Illumination.Here structured light can be grating, also can be checkerboard configuration, or other form.This technology comprises the light path of an illumination path and an acquisition information gathering.Illumination path irradiates a mask or spatial light modulator by a lighting source, tilting mirror as micro-in numeral or LCD space light modulator etc.By optical lighting system, the pattern in mask plate or spatial light modulator projects on face.Another information gathering light path, by the face 3-dimensional encoding information under Structured Illumination, is captured in computer system by image perceptions such as video cameras.The technology such as Fourier Transform Filtering are carried out to the structured light of coding, just can obtain the three-dimensional numerical value information of face.Adopting the 3 D stereo technology for information acquisition of other form, is also completely passable, comprises the illuminator adopting Darman raster, or the 3-D graphic acquiring technology etc. of multiple video cameras of employing structured light projection.Such as, adopt in first technology " object three-dimensional contour outline measuring set and measuring method " (patent No. 200810204749.2), utilize the illuminator of Darman raster can obtain the three-D profile information of face.
Fig. 2 is face Three-dimensional Display process in Three-dimensional identity card.In figure 1: left-eye image; 2: eye image; 3: right and left eyes composograph; 4: lenticule optics; 5: left eye; 6: right eye; 7: observer.Left-and right-eye images is taken by left and right angle video camera respectively and is obtained, and forms right and left eyes composograph, be recorded in Three-dimensional identity card after alternate combinations.The surface of Three-dimensional identity card has one deck microlens array or other micro-optical device, right and left eyes image can be projected the right and left eyes position of observer by respectively, thus produces the 3D vision effect of face.
Fig. 3 is a kind of arrangement mode that images of left and right eyes two image sets synthesize a stereo-picture.In figure: 1-1,1-2,1-N are respectively left-eye image first row, secondary series and N row; 2-1,2-3,2-N are respectively the first row of eye image, secondary series and N row; 3-1,3-2,3-2N are respectively the first row of right and left eyes composograph, secondary series and 2N row.
Fig. 4 is face three-D profile acquisition of information and recognition technology.8 is light source; 9 is structure devices; 10 is illuminating lens; 11 is left eye imaging optical path, and 12 is left eye light path imaging lens; 13 is that left eye index path is as sensitive detection parts; 21 is right eye imagery light path; 22 is right eye light path imaging lens; 23 is that right eye index path is as sensitive detection parts; 30 is computer.
The preparation method of described Three-dimensional identity card, comprise 3-d photographs, electronic chip digital information stores and identity card combination is installed, the preparation method of described 3-d photographs is the three-dimensional data adopting camera head to be obtained from the face of identity card by the shooting of optical 3-dimensional object and synthetic technology.
The preparation method of described 3-d photographs comprises the following steps:
1. set up camera head to comprise: lighting source, left camera head, right camera head and computer 30, described left camera head is made up of as sensitive detection parts 13 left eye light path imaging lens 12 and left eye index path, right camera head is made up of as sensitive detection parts 23 right eye light path imaging lens 22 and right eye index path, described left eye index path is connected with the input of computer 30 with the output of right eye index path as sensitive detection parts 13 as sensitive detection parts 13, described left camera head and right camera head and described facial symmetry are arranged, angle between described left camera head and right camera head is 5 ° ~ 180 °,
2. start lighting source, described left eye index path records facial image as sensitive detection parts and right eye index path as sensitive detection parts simultaneously, and inputs computer;
3. computer carries out the reconstruction of three-dimensional face to facial image.
Described lighting source is made up of light source 8 successively, structure light coding device 9 and projecting lens 10.
Described structure light coding device is other structures of grating, checkerboard grid or gray scale gradual change.
Such as, if identity card adopts 2 one-by-one inch photograph sheets, its width is 25 millimeters, and so right and left eyes image can take the width of 12.5 millimeters respectively.If adopt common ccd video camera, its pixel count is 512, then the single pixel wide of right and left eyes is 22.2um.Like this, cycle corresponding right and left eyes two images of lens arra, then its cycle is 44.4um.In fact, as long as the cycle of lens is strictly equal with the pixel wide of right and left eyes image, other numerical value is also completely passable.
Such as, the core of stereoscopic photograph technology is the image simultaneously seen of recorder's right and left eyes respectively, and this right and left eyes image combining is Three-dimensional identity card photo, as shown in Figure 2.Light source, as illumination light, is radiated at the face of identity document through the beams extended by lens.Two, left and right video camera obtains the left-and right-eye images that face obtains from left side angle and the right angle shot simultaneously, is then the two dimensional image of a right and left eyes synthesis by Computer Image Processing software process quality.The concrete arrangement mode of one of this right and left eyes image as shown in Figure 3, such as, right and left eyes image is divided into 1 × N row, first of left-eye image is classified as the first row of right and left eyes combination image, first of eye image is classified as the secondary series of right and left eyes combination image, all the other are arranged in order, and finally obtain the combination image of 2N row.Certainly, also can have other arrangement modes, this will depend on the three-dimensional optical Display Technique on Three-dimensional identity card part.No matter what arrangement mode, its core is exactly by micro-optics technology, makes right and left eyes image enter the right and left eyes of people respectively, just by the parallax effect of human eye, can automatically synthesize a width three-dimensional stereo photo in human brain.
Current identity card picture is transformed slightly, just can demonstrate Three-dimensional identity card photo, there is interest, vividly, having third dimension, is the developing direction of Three-dimensional identity card.
Such as, structured light projection technical limit spacing face three-dimensional information can be adopted, as shown in Figure 4.Structured light also can be irradiated on Darman raster with light source, and Darman raster produces three-dimensional light lattice array.By optical system, this two-dimentional array of light spots is projected on face.By left and right two-way video camera, two width figure just can be obtained.Through the compose operation of computer, the three-D profile information of face just can be obtained.Certainly, other types optical three-dimensional measurement system can also be adopted, obtain the three-D profile information of face.
By computer system during use, gather face information, just can the three-D profile information of the three-dimensional face profile information of com-parison and analysis end user face when whether being original record.If identical, be exactly original record people.If with the three-dimensional data of original record people face is not inconsistent, no matter how it looks smug or conceited, and gazes around, can be identified process, and this will improve the antiforge function of identity card greatly.
Three-dimensional identity card is except being used as the routine uses such as customs, airport security, hotel registration, and Three-dimensional identity card is used as bank cipher, will improve the level of security of password.Three-dimensional identity card, as authentication during computer log, will be more reliable.In a word, Three-dimensional identity card is a upgrade technique of current two-dimentional identity card, will significantly improve the level of authentication, has extensively important applied field.
Claims (6)
1. the preparation method of a Three-dimensional identity card, comprise 3-d photographs, electronic chip digital information stores and identity card combination is installed, camera head is adopted to obtain three-dimensional data by the shooting of optical 3-dimensional object and synthetic technology from the face of identity card, described 3-d photographs covers one deck microlens array or other micro-optical devices, it is characterized in that, the preparation method of described 3-d photographs comprises the following steps:
1. set up camera head to comprise: lighting source, left camera head, right camera head and computer, described left camera head is made up of as sensitive detection parts left eye light path imaging lens and left eye index path, right camera head is made up of as sensitive detection parts right eye light path imaging lens and right eye index path, described left eye index path is connected with the input of computer as the output of sensitive detection parts with right eye index path as sensitive detection parts, described left camera head and right camera head and described facial symmetry are arranged, angle between described left camera head and right camera head is 5 ° ~ 180 °,
2. start lighting source, described left eye index path records facial image as sensitive detection parts and right eye index path as sensitive detection parts simultaneously, and inputs computer;
3. computer carries out the reconstruction of three-dimensional face to facial image.
2. the preparation method of Three-dimensional identity card according to claim 1, is characterized in that described lighting source is made up of light source successively, structure light coding device and projecting lens.
3. the preparation method of Three-dimensional identity card according to claim 2, is characterized in that described structure light coding device is other structures of grating, checkerboard grid or gray scale gradual change.
4. the Three-dimensional identity card utilizing the preparation method of the arbitrary Three-dimensional identity card of claim 1-3 to obtain, comprise the name of the photo of a number of people and identity people, sex, nationality, date of birth, address, citizenship number, issuing authority and period of validity, it is characterized in that, in the electronic chip of this identity card, also store the multinomial digital information of the three dimensional comprising face.
5. Three-dimensional identity card according to claim 4, it is characterized in that described multinomial digital information comprises two parts: a part is the not revisable digital information formulated by state ministry of public security door of the three dimensional and relevant citizenship and so on of face, another part is that other authorize the digital information of department or agency increase or the blood group revised, transportation card, bank card, social security card and medical card.
6. Three-dimensional identity card according to claim 4, is characterized in that described photo is the coloured image of 3 D stereo display.
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| US9953428B2 (en) * | 2015-03-03 | 2018-04-24 | Microsoft Technology Licensing, Llc | Digital camera unit with simultaneous structured and unstructured illumination |
| WO2017113286A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳先进技术研究院 | Authentication method and apparatus |
| CN107490869B (en) * | 2017-08-24 | 2020-08-28 | 华天科技（昆山）电子有限公司 | Space structure light emitting device |
| CN107577057A (en) * | 2017-09-06 | 2018-01-12 | 中国科学院上海光学精密机械研究所 | Three-dimensional face based on microlens array shows identity card and preparation method thereof |
| CN107730574B (en) * | 2017-09-29 | 2021-04-06 | 四川长虹电器股份有限公司 | Automatic identity card generation method based on powershell |
| CN107901661A (en) * | 2017-11-20 | 2018-04-13 | 四川大学 | A kind of integration imaging Three-dimensional identity card |
| CN108052814A (en) * | 2017-12-07 | 2018-05-18 | 四川大学 | A kind of 3D authentication systems |
| WO2019213862A1 (en) * | 2018-05-09 | 2019-11-14 | 深圳阜时科技有限公司 | Pattern projection device, image acquisition device, identity recognition device, and electronic apparatus |
| CN114295202A (en) * | 2021-12-29 | 2022-04-08 | 湖南汉状元教育科技有限公司 | Infrared information processing method and device, electronic equipment and readable storage medium |
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