TWM486820U - Eye iris identifying imaging apparatus - Google Patents

Description

Eye iris recognition imaging device

The present invention relates to an iris iris recognition photographing device, and more particularly to an eye iris recognition photographing device capable of clearly displaying various features of an iris of the eye as a basis for identification, thereby improving the use efficiency of the iris iris recognition photographing device. .

According to the security issue or other places that need to be controlled, the control of access control is generally set up. Among the digital automatic access control methods, the iris of the eye is used as the biometric identification method with extremely high accuracy of the access control system.

The iris biometric identification method of the eye mainly relies on various features such as spots, filaments, crowns, stripes, and crypts on the iris of the eye as a basis for identification.

As shown in FIG. 1 , the iris of the eye is used as a biometric method, which is mainly performed by a photographing device 1 having at least one lens 11 for imaging and an image captured by the lens 11 . An optical image sensing component 12, and a support housing 13 for supporting the lens 11 and the image sensing component 12.

The lens 11 is composed of at least one lens. The lens 11 has an image capturing area for capturing an image. The image captured by the lens 11 is diffracted to the image sensing component 12, and the image sensing component 12 is Converting the image of the lens 11 into a signal and transmitting it to the processor (not shown in the drawing), and displaying it by the display (not shown in the drawing). Also identify.

However, the lens 11 has only one image capturing area for capturing images, and the single image is used as the basis for identifying the multi-point features of the iris of the eye, which causes a slowing of the recognition speed on the one hand, and noise generated by the nature on the other hand. It will further blur the periphery of the iris image of the captured eye, which will cause difficulty in identification.

Therefore, how to provide a multi-image at the same time and to make the iris image of the eye clear to facilitate identification has been an urgent problem for the photographic manufacturer.

The main purpose of this creation is to provide an eye iris recognition photography device, which is mainly intended to overcome the conventional imaging device for iris recognition of the eye, and cannot quickly provide images with clear features of the iris of the eye as a basis for identification.

To this end, the main technical means adopted by the present invention is to provide an eye iris recognition photographing device, which includes at least one camera lens module having a plurality of image capturing optical application areas, and a receiving lens module. The image sensing component that captures the image and optically converts the image into a signal; wherein the plurality of image capturing optical application regions of the camera lens module can be assigned different optical wavelengths and synchronized without time difference Each is used for eye iris photography and image capture.

The effect that the present invention can achieve by the above-mentioned main technical means is that the imaging device has a plurality of image capturing optical application regions, and the plurality of image capturing optical application regions can be different optical wavelengths and synchronized without time difference. Photographing and image capture are performed separately; the photographing device can use different iris image features of the eyes as the basic information of the image, and the respective iris image features of the eyes are mutually referenced and averaged, and the outside can be The interference is effectively removed, thereby clearing the iris image of the captured eye, and then clearly displaying the various features of the iris of the eye as a basis for identification, thereby improving the iris recognition device of the eye. Use efficacy.

1‧‧‧Photographing device

11‧‧‧ lens

12‧‧‧Image sensing components

13‧‧‧Support shell

2‧‧‧Photographing device

3‧‧‧Lens module

31‧‧‧Image capture optical application area

4‧‧ ‧ shading film

41‧‧‧through hole

5‧‧‧Filter

6‧‧‧Image sensing components

7‧‧‧Support shell

8‧‧‧First light source unit

9‧‧‧Second light source unit

Figure 1 is a schematic diagram of a conventional photographic device.

Figure 2 is a perspective view of the original iris iris recognition imaging device.

Figure 3 is a cross-sectional view of the present eye iris recognition photographic apparatus.

Fig. 4 is a schematic flow chart of the photographic image of the artificial iris recognition device of the present invention.

Fig. 5 is a schematic flow chart of the grouping of the imaging artifacts of the artificial iris recognition device.

Fig. 6 is another embodiment of the present eye iris recognition photographing apparatus.

In order to make it easier for your review function to understand the structure of the creation and the effect it can achieve, please refer to the following description: First, please refer to Figure 2 and Figure 3. The eye iris recognition photography device of this creation, the photography The device 2 includes a camera lens module 3 having a plurality of image capturing optical application areas, a light shielding film 4 disposed on the front side of the lens module 3, and a filter disposed on the rear side of the lens module 3. The optical sheet 5, an image sensing element 6 disposed on the rear side of the filter 5, and a lens module 3, a light shielding sheet 4, a filter 5, and an image sensing element 6 are supported and positioned for use. Support shell 7.

As shown in FIG. 2 and FIG. 3, the lens module 3 is a spherical lens made of plastic, glass or bismuth-based material. The lens module 3 can be stacked by a single lens or a plurality of lenses. The lens module 3 has a plurality of image capturing optical application areas 31, and each of the image capturing optical application areas 31 has a separate image capturing and image capturing function; more specifically, the plurality of images 撷The optical application area 31 can be assigned different optical wavelengths for capturing images and images.

As shown in FIG. 3, the lens module 3 of the present invention is implemented by having four image capturing optical application areas 31, and the four image capturing optical operating areas 31 can be assigned with different optical wavelengths and synchronized. The time difference method is used for capturing the iris image of the eye; thereby, the lens module 3 has different optical wavelengths and is synchronized without time difference to capture the iris imaging of the eye and the iris image of the eye.

As shown in FIG. 3 , the visor 4 has a through hole 41 corresponding to the image capturing optical application area 31 of the lens module 3 , and the through hole 41 can capture the image of the lens module 3 . 31 is exposed, so that the light shielding sheet 4 can shield the image of the lens module 3 from the stray light around the optical application area 31, thereby ensuring that the image capturing optical application area 31 of the lens module 3 captures the diffraction optical of the image. Optical resolution.

As shown in FIG. 3 , the filter 5 is disposed on the rear side of the lens module 3 , and mainly filters the diffractive optics entered by the lens module 3 , mainly in visible light, infrared light, near infrared light, and far infrared light. And the diffractive optics available for the hybrid optical filter screening of each of the above-mentioned opticals are applied to the image sensing element 6.

As shown in FIG. 3, the image sensing component 6 mainly receives image diffractive optics obtained from the image captured by the lens module 3 and filtered by the filter 5, and optically converts the image into a signal input processor (Fig. Processing is not shown in the formula.

As shown in FIG. 3, the support housing 7 is mainly used for the lens module 3 and the light shielding film. 4. The filter 5 and the image sensing element 6 are supported and positioned, so that the lens module 3, the light shielding film 4, the filter 5 and the image sensing element 6 have stable positioning effects.

Referring to Figures 2, 3 and 4, the creation of the eye iris recognition imaging device of the present invention has a plurality of image capturing optical application areas 31, and four image capturing optical application areas in the embodiment. 31. The plurality of image capturing optical application areas 31 can be used for eye iris imaging and eye iris image capturing by different optical wavelengths and synchronized without time difference; more specifically, the imaging device 2 can simultaneously With no time difference and different optical wavelengths, four eye iris images can be captured and captured at one time. The imaging device 2 simultaneously has four iris image images captured by different time and different optical wavelengths, and can have different iris image features of the eyes. The imaging device 2 can have different iris image features of the eyes, and four As the basic information of the image, the iris image of the eye is spatially referenced and averaged for the four iris images of the different iris image features of the eye, and the external interference can be effectively removed, thereby The iris image of the captured eye can be sharpened; that is, the photographic device 2 can use the iris image of the different features of the eye as the basic information of the image, and for each of the different features of the iris image of the eye, the images are mutually referenced and After averaging, the interference of the iris image of the eye can be effectively removed, thereby clearing the iris image of the captured eye and improving the color of the iris image of the eye, thereby enabling the iris of the eye Each feature is clearly displayed as the basis for iris recognition of the eye.

As shown in FIG. 5, the creation of the eye iris recognition imaging device of the present invention has a plurality of image capturing optical application areas 31, and in the embodiment, four image capturing optical application areas 31, the plurality of The image capturing optical application area 31 can have different optical waves Long and synchronized without time difference, each is used for eye iris photography and eye iris image capture; more specifically, the camera device 2 can simultaneously capture and capture at different optical wavelengths without time difference and different optical wavelengths. Four eye iris images. The photographic device 2 simultaneously has four iris image images captured by different time and different optical wavelengths, and can have different iris image features of the eyes. The photographic device 2 can have four different iris images of different image features. As the basic information of the image and grouping; that is, the four iris images of the two eyes can form six groups of iris image groups, and for the six groups of iris image groups of the different iris image features, After the space and the position are mutually referenced and averaged, the external interference can be effectively removed, thereby the iris image of the captured eye can be sharpened; and the photographing device 2 can have different characteristics. The iris image of the eye is used as the basic information of the image, and for the iris image of the different features of the eye, the space and the position between the iris images of each eye are mutually referenced and averaged, and the interference of the iris image of the eye can be effectively effective. Remove, thereby sharpening the iris image of the captured eye, thereby allowing the iris of the eye to Features are clearly displayed as the basis for the identification of the iris eyes.

As shown in FIG. 6, when the artificial iris recognition imaging device of the present invention is implemented, the first light source unit 8 and the second light source unit 9 may be further disposed around the imaging device 2, and the first light source unit 8 and the second light source unit The 9 series can provide optical conditions such as infrared rays, near-infrared rays, far-infrared rays, and the like, thereby enabling the photographing device 2 to photograph and capture clearer eyes of the iris characteristics under sufficient optical conditions when capturing the iris of the eye. The iris image can further enhance the recognition of the iris image of the eye captured by the photographing device 2 of the artificial iris recognition photographing device of the present invention.

The effect that can be achieved by the present invention is that the photographing device 2 has a plurality of The image capture optical application area 31, the plurality of image capture optical application areas 31 can be different optical wavelengths and synchronized without time difference, respectively for eye iris photography and eye iris image capture; the camera device 2 can The iris image features of different eyes are used as the basic information of the image, and the space and position of the different iris image features are mutually referenced and averaged, and the external interference can be effectively removed, thereby The image of the iris of the captured eye can be sharpened, and the color of the iris image of the eye can be improved, and the various features of the iris of the eye can be clearly displayed as a basis for identification, thereby improving the use of the iris recognition device of the eye. efficacy.

In summary, the above-mentioned eye iris recognition photography device can achieve the purpose and effect of the claim, and should meet the requirements of novelty, practicability and progress, and apply for a new patent according to law. Please review the details of the examiner, and grant the approval of the new patent to the sensibility.

2‧‧‧Photographing device

3‧‧‧Lens module

31‧‧‧Image capture optical application area

4‧‧ ‧ shading film

41‧‧‧through hole

5‧‧‧Filter

6‧‧‧Image sensing components

7‧‧‧Support shell

Claims (8)

An eye iris recognition photographic device, the photographic device comprising at least one camera lens module having a plurality of image capturing optical application regions, receiving images captured by the lens module, and converting the image into optical signals by diffraction The image sensing component; wherein the plurality of image capturing optical application areas of the camera lens module can be assigned different optical wavelengths and synchronized without time difference to obtain iris iris imaging and eye iris image capturing. The eye iris recognition photographing device of claim 1, wherein the photographing device further comprises a light shielding sheet, a filter, and a supporting shell; the light shielding sheet is disposed on a front side of the lens module. The filter is disposed on the rear side of the lens module, and the support shell is used for supporting and positioning the lens module, the light shielding film, the filter and the image sensing component. The eye iris recognition photographing apparatus according to claim 1 or 2, wherein the first light source unit and the second light source unit are further disposed around the photographing apparatus. The eye iris recognition imaging device of claim 3, wherein the first light source unit and the second light source unit provide optical conditions such as infrared rays, near infrared rays, and far infrared rays. The eye iris recognition photographing apparatus according to claim 1, wherein the photographing apparatus can simultaneously acquire a plurality of eye iris images having different characteristics, which are obtained without a time difference and different optical wavelengths. The eye iris recognition photographing apparatus according to claim 1 or 5, wherein the photographing apparatus is capable of using images of different characteristics as image basic information, and for each image of the different features, each eye iris image After the intercropping space and position are mutually referenced and averaged, the interference existing in the iris image of each eye can be effectively removed. Thereby, the iris image of the captured eye can be sharpened, and the color of the iris image of the eye can be improved. The eye iris recognition photographing apparatus according to claim 1 or 5, wherein the photographing apparatus can simultaneously take a plurality of eye iris images having different characteristics, which are obtained by using no time difference and different optical wavelengths, The iris images of the eyes with different characteristics are used as the basic information of the image and grouped. The two pairs of eye iris images of different features can form a plurality of sets of eye iris images for different irises of the eyes. The image of the iris image group of the eye, after spatial and spatial reference and averaging, can effectively remove the external interference, thereby clearing the iris image of the captured eye and enhancing the iris of the eye. The color of the image. The eye iris recognition photographing device according to claim 1, wherein the lens module is a spherical lens made of plastic, glass or enamel-based material, and the lens module can be a single lens or a plurality of The lens module has a plurality of image capturing optical application areas, and each of the image capturing optical application areas has a separate image capturing and image capturing function.