Apparatus and method for acquiring iris image outdoors and indoors

    公开(公告)号:US10853641B2

    公开(公告)日:2020-12-01

    申请号:US15309439

    申请日:2015-05-08

    IPC分类号: G06K9/00 G06K9/20

    摘要: The present invention relates to an apparatus and a method for acquiring an iris image outdoors and indoors and, specifically, to an apparatus and a method for acquiring an iris image outdoors and indoors, the apparatus comprising: a lens for receiving the iris image; an image sensor for sensing the iris image inputted through the lens; and a memory for storing the iris image sensed by the image sensor, wherein a band-pass filter using all or parts of outdoor iris recognition wavelength bands (920-1,500 nm) in order to acquire the iris image in which a reflected image is prevented or a reflected noise is reduced, which are generated when the iris image is photographed indoors and outdoors and, particularly, outdoors, is provided at the front end of the image sensor, and an infrared lighting having at least one wavelength passing through the wavelength bands of the provided band-pass filter is provided.

    Method and apparatus for identifying living eye

    公开(公告)号:US10152792B2

    公开(公告)日:2018-12-11

    申请号:US14646007

    申请日:2012-12-06

    IPC分类号: G06T7/00 G06K9/00 G06T1/00

    摘要: The present invention relates to a method and apparatus for identifying a living eye, in which IR LED lighting and lighting for varying the ambient illumination are installed on the front surface or one side of an iris recognition camera so as to determine whether an iris of an eye is an iris of a living eye when capturing an iris image by the iris recognition camera, using one or more criteria of whether the ratio of the sizes of the iris and pupil changes by the variation of the ambient illumination, whether the number or location of the IR LEDs focused on the iris and/or the pupil changes, whether the region of the iris image changes by eye blinking, and whether the direction of the gaze changes.

    IRIS IMAGE STORING METHOD AND AN IRIS IMAGE RESTORED METHOD
    4.
    发明申请
    IRIS IMAGE STORING METHOD AND AN IRIS IMAGE RESTORED METHOD 审中-公开
    IRIS图像存储方法和IRIS图像恢复方法

    公开(公告)号:US20100182456A1

    公开(公告)日:2010-07-22

    申请号:US12676355

    申请日:2008-09-05

    IPC分类号: H04N5/76 G06K9/54 G06K9/36

    摘要: The present invention relates to a method of storing and restoring an iris image, the method comprising the steps of: acquiring an original image Iori including an iris portion from a camera; acquiring a first image Iextract1 configured with an area removed of portions outside of an outer circle and images included within an inner circle (hereinafter, referred to as an ‘iris enveloping annulus’) in order to extract an iris image to be stored from the original image; acquiring a second image Iextract2 removed of an occlusion portion of the iris, such as a pupil, a white of an eye, an eyelash, an eyelid, hairs, and the like, from the first image; converting the second image Iextract2 removed of the occlusion portion into a polar image Ipolar of a polar coordinate system, or acquiring a compressed image Icomp compressing the converted polar image; storing the compressed image Icomp in memory, together with restoration information H, as storage image data Istore; and acquiring a restored image Irestored using a restoration algorithm from the storage data when recognizing the iris, thereby reducing memory capacity for storing the image, and improving processing speed when recognizing an iris.

    摘要翻译: 本发明涉及一种存储和恢复虹膜图像的方法,所述方法包括以下步骤:从相机获取包括虹膜部分的原始图像Iori; 获取配置有从外圆外部移除的区域的第一图像Iextract1和包含在内圆内的图像(以下称为“虹膜包围环”),以从原件中提取要存储的虹膜图像 图片; 从所述第一图像获取从所述虹膜的遮挡部分(例如瞳孔,白眼,睫毛,眼睑,毛发等)移除的第二图像Iextract2; 将除去部分的第二图像Iextract2转换为极坐标系的极坐标图像极性,或获取压缩转换的极坐标图像的压缩图像Icomp; 将压缩图像Icomp与恢复信息H一起存储在存储器中作为存储图像数据Istore; 以及当识别虹膜时从存储数据获取使用恢复算法来恢复的恢复图像,从而减少用于存储图像的存储器容量,并且在识别虹膜时提高处理速度。

    DEVICE AND METHOD FOR IRIS RECOGNITION USING A PLURALITY OF IRIS IMAGES HAVING DIFFERENT IRIS SIZES
    5.
    发明申请
    DEVICE AND METHOD FOR IRIS RECOGNITION USING A PLURALITY OF IRIS IMAGES HAVING DIFFERENT IRIS SIZES 有权
    使用具有不同IRIS尺寸的多个IRIS图像进行IRIS识别的设备和方法

    公开(公告)号:US20130063582A1

    公开(公告)日:2013-03-14

    申请号:US13522948

    申请日:2010-01-22

    IPC分类号: H04N7/18

    CPC分类号: G06K9/00617 G06K9/00604

    摘要: The present invention relates to an iris recognition device and method capable of improving iris recognition accuracy. To enhance iris recognition accuracy in consideration of variation in pupil size and iris region due to changes in intensity of lighting, the iris recognition device and method are configured to obtain multiple iris images having different iris sizes by capturing iris images of a person to be enrolled with a camera while adjusting brightness of lighting so that the iris size of the person to be enrolled varies from a maximum size to a minimum size, store the obtained iris images and associated iris size information for enrollment in a database interworking with the iris recognition device, and select enrolled iris images having an iris size most similar to that of an iris image captured by the camera for identification among many enrolled iris images for similarity measurement.

    摘要翻译: 本发明涉及一种能够改善虹膜识别精度的虹膜识别装置和方法。 考虑到由于照明强度的变化引起的瞳孔尺寸和虹膜区域的变化来增强虹膜识别精度,虹膜识别装置和方法被配置为通过捕获要登记的人的虹膜图像来获得具有不同虹膜尺寸的多个虹膜图像 在调整照明亮度的同时照相机,使得要注册的人的虹膜尺寸从最大尺寸变化到最小尺寸,将获得的虹膜图像和相关联的虹膜尺寸信息存储在与虹膜识别装置相互配合的数据库中 并且选择具有与由相机拍摄的虹膜图像的虹膜尺寸最相似的虹膜尺寸的已注册的虹膜图像,用于在许多注册的虹膜图像之间用于相似性测量。

    Device and method for iris recognition using a plurality of iris images having different iris sizes
    6.
    发明授权
    Device and method for iris recognition using a plurality of iris images having different iris sizes 有权
    使用具有不同虹膜尺寸的多个虹膜图像进行虹膜识别的装置和方法

    公开(公告)号:US09087238B2

    公开(公告)日:2015-07-21

    申请号:US13522948

    申请日:2010-01-22

    IPC分类号: H04N7/18 G06K9/00

    CPC分类号: G06K9/00617 G06K9/00604

    摘要: The present invention relates to an iris recognition device and method capable of improving iris recognition accuracy. To enhance iris recognition accuracy in consideration of variation in pupil size and iris region due to changes in intensity of lighting, the iris recognition device and method are configured to obtain multiple iris images having different iris sizes by capturing iris images of a person to be enrolled with a camera while adjusting brightness of lighting so that the iris size of the person to be enrolled varies from a maximum size to a minimum size, store the obtained iris images and associated iris size information for enrollment in a database interworking with the iris recognition device, and select enrolled iris images having an iris size most similar to that of an iris image captured by the camera for identification among many enrolled iris images for similarity measurement.

    摘要翻译: 本发明涉及一种能够改善虹膜识别精度的虹膜识别装置和方法。 考虑到由于照明强度的变化引起的瞳孔尺寸和虹膜区域的变化来增强虹膜识别精度,虹膜识别装置和方法被配置为通过捕获要登记的人的虹膜图像来获得具有不同虹膜尺寸的多个虹膜图像 在调整照明亮度的同时照相机,使得要注册的人的虹膜尺寸从最大尺寸变化到最小尺寸,将获得的虹膜图像和相关联的虹膜尺寸信息存储在与虹膜识别装置相互配合的数据库中 并且选择具有与由相机拍摄的虹膜图像的虹膜尺寸最相似的虹膜尺寸的已注册的虹膜图像,用于在许多注册的虹膜图像之间用于相似性测量。

    Method for acquiring region-of-interest and/or cognitive information from eye image
    7.
    发明授权
    Method for acquiring region-of-interest and/or cognitive information from eye image 有权
    从眼图获取感兴趣区域和/或认知信息的方法

    公开(公告)号:US08433105B2

    公开(公告)日:2013-04-30

    申请号:US13123230

    申请日:2009-10-06

    IPC分类号: G06K9/00

    摘要: The present invention provides a method for acquiring region-of-interest and/or cognitive information from an eye image, comprising the steps of: preprocessing, standardizing, and coding the group of eye images for region-of-interest information or cognitive information to create eye image codes and to build a characteristic eye library in a memory in order to improve an iris recognition rate; grouping and partitioning or covering eye codes for eye images stored in the characteristic eye library into a plurality of groups, and obtaining a representative eye code of each of the eye code groups, preprocessing, standardizing, and coding a new eye image not assigned region-of-interest information or cognitive information in the same way as the above-described step to create a test eye code, matching the test eye image to the most similar eye image in the characteristic eye library, and transferring the region-of-interest information or cognitive information assigned to the matched eye image to the test eye image. The transferred information is utilized in the preprocessing of the eye image.

    摘要翻译: 本发明提供一种从眼图获取感兴趣区域和/或认知信息的方法,包括以下步骤:对感兴趣区域信息或认知信息对眼图像组进行预处理,标准化和编码, 创建眼睛图像代码并在记忆体中建立一个特征性眼库,以提高虹膜识别率; 将存储在特征眼库中的眼图的眼码分组和分割成多个组,并且获得每个眼码组的代表性眼码,对未分配区域的新眼图进行预处理,标准化和编码, 以与上述步骤相同的方式创建兴趣信息或认知信息,以创建测试眼码,将测试眼睛图像与特征眼图库中最相似的眼睛图像相匹配,并将感兴趣区域信息 或分配给匹配的眼睛图像的认知信息到测试眼睛图像。 所传送的信息用于眼图像的预处理。

    METHOD FOR ACQUIRING REGION-OF-INTEREST AND/OR COGNITIVE INFORMATION FROM EYE IMAGE
    8.
    发明申请
    METHOD FOR ACQUIRING REGION-OF-INTEREST AND/OR COGNITIVE INFORMATION FROM EYE IMAGE 有权
    从眼睛图像获取感兴趣区域和/或认知信息的方法

    公开(公告)号:US20110194738A1

    公开(公告)日:2011-08-11

    申请号:US13123230

    申请日:2009-10-06

    IPC分类号: G06K9/00

    摘要: The present invention provides a method for acquiring region-of-interest and/or cognitive information from an eye image, comprising the steps of: preprocessing, standardizing, and coding the group of eye images for region-of-interest information or cognitive information to create eye image codes and to build a characteristic eye library in a memory in order to improve an iris recognition rate; grouping and partitioning or covering eye codes for eye images stored in the characteristic eye library into a plurality of groups, and obtaining a representative eye code of each of the eye code groups, preprocessing, standardizing, and coding a new eye image not assigned region-of-interest information or cognitive information in the same way as the above-described step to create a test eye code, matching the test eye image to the most similar eye image in the characteristic eye library, and transferring the region-of-interest information or cognitive information assigned to the matched eye image to the test eye image. The transferred information is utilized in the preprocessing of the eye image.

    摘要翻译: 本发明提供一种从眼图获取感兴趣区域和/或认知信息的方法,包括以下步骤:对感兴趣区域信息或认知信息对眼图像组进行预处理,标准化和编码, 创建眼睛图像代码并在记忆体中建立一个特征性眼库,以提高虹膜识别率; 将存储在特征眼库中的眼图的眼码分组和分割成多个组,并获得每个眼码组的代表性眼码,对未分配区域的新眼图进行预处理,标准化和编码, 以与上述步骤相同的方式创建兴趣信息或认知信息,以创建测试眼码,将测试眼睛图像与特征眼图库中最相似的眼睛图像相匹配,并将感兴趣区域信息 或分配给匹配的眼睛图像的认知信息到测试眼睛图像。 所传送的信息用于眼图像的预处理。