公开(公告)号：US09087238B2

公开(公告)日：2015-07-21

申请号：US13522948

申请日：2010-01-22

申请人： Hyeong In Choi ,  Dae Hoon Kim ,  Jung Kyo Sohn ,  Song Hwa Kwon ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik

发明人： Hyeong In Choi ,  Dae Hoon Kim ,  Jung Kyo Sohn ,  Song Hwa Kwon ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik

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。

公开(公告)号：US08433105B2

公开(公告)日：2013-04-30

申请号：US13123230

申请日：2009-10-06

申请人： Hyeong In Choi ,  Dae Hoon Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik ,  Song Hwa Kwon ,  Jung Kyo Sohn

发明人： Hyeong In Choi ,  Dae Hoon Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik ,  Song Hwa Kwon ,  Jung Kyo Sohn

IPC分类号： G06K9/00

CPC分类号： G06K9/00617 ,  G06K9/0061 ,  G06K9/6255

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。

公开(公告)号：US20120062720A1

公开(公告)日：2012-03-15

申请号：US13140396

申请日：2009-12-11

申请人： Hyeong In Choi ,  Dae Hoo Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Song Hwa Kwon ,  Seung Min Paik ,  Jung Kyo Sohn

发明人： Hyeong In Choi ,  Dae Hoo Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Song Hwa Kwon ,  Seung Min Paik ,  Jung Kyo Sohn

IPC分类号： H04N7/18

CPC分类号： H04N5/232 ,  G06K9/00604 ,  G06K9/036 ,  H04N5/23222 ,  H04N5/23245

摘要： The present invention provides a method for acquiring high quality eye images, comprising the steps of: dividing a camera mode for eye image acquisition into a pre-photographing mode and a main photographing mode, comparing the degree of eye capture, actual eye, resolution, contrast ratio, noise level, angle of the face when an object to be photographed stares at a lens, location of the pupil in the eye, and the degree of exposure of the iris in the eye, etc., with a preset reference quality condition to evaluate the quality of eye images acquired in the pre-photographing mode, and switching from the pre-photographing mode to the main photographing mode if the preset reference quality condition is satisfied; capturing a plurality of eye images in the main photographing mode, finishing the main photographing mode if the preset condition for finishing the main photographing mode is satisfied, and setting a candidate group from the stored plurality of images; comparing the images with the preset reference quality condition if no candidate group is set, and returning to the main photographing mode or pre-photographing mode in accordance with the result of the comparison; and selecting final images from the candidate group if the candidate group is set.

摘要翻译： 本发明提供了一种用于获取高质量眼睛图像的方法，包括以下步骤：将用于眼睛图像获取的相机模式划分为预拍摄模式和主拍摄模式，将眼睛捕获的程度，实际眼睛，分辨率， 对比度，噪声水平，当被拍摄物体的眼睛的瞳孔位置，眼睛中的瞳孔的位置以及虹膜在眼睛中的曝光程度等等时，脸部的角度具有预设的参考质量条件 评估在预拍摄模式下获取的眼睛图像的质量，并且如果满足预设参考质量条件，则从预拍摄模式切换到主拍摄模式; 在主拍摄模式下拍摄多个眼睛图像，如果满足用于完成主拍摄模式的预设条件，则完成主拍摄模式，并且从存储的多个图像中设置候选组; 如果没有设置候选组，则将图像与预设参考质量条件进行比较，并且根据比较结果返回到主要拍摄模式或预拍摄模式; 如果候选组被设置，则从候选组中选择最终图像。

公开(公告)号：US08009876B2

公开(公告)日：2011-08-30

申请号：US11719947

申请日：2005-09-13

申请人： Daehoon Kim ,  Nam-Sook Wee ,  Song-Hwa Kwon ,  Sung Jin Lee ,  Hyeong In Choi

发明人： Daehoon Kim ,  Nam-Sook Wee ,  Song-Hwa Kwon ,  Sung Jin Lee ,  Hyeong In Choi

IPC分类号： G06K9/00

CPC分类号： G06K9/0061

摘要： An iris identification method and system, which divide an iris image, which is acquired for personal identification, into a plurality of equal/unequal and multiscale regions, generate a corresponding code corresponding to the respective regions, organizing codes into a database, generate a code at the time of authentication in the same manner, and identify a person by comparing this code with the codes stored in the database, thus improving identification speed and rate.

摘要翻译： 一种虹膜识别方法和系统，其将为了个人识别获取的虹膜图像划分成多个相等/不等于多尺度区域，生成对应于各个区域的对应代码，将代码组织到数据库中，生成代码 在认证时以相同的方式，通过将该代码与存储在数据库中的代码进行比较来识别人，从而提高识别速度和速率。

公开(公告)号：US20110194738A1

公开(公告)日：2011-08-11

申请号：US13123230

申请日：2009-10-06

申请人： Hyeong In Choi ,  Dae Hoon Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik ,  Song Hwa Kwon ,  Jung Kyo Sohn

发明人： Hyeong In Choi ,  Dae Hoon Kim ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik ,  Song Hwa Kwon ,  Jung Kyo Sohn

IPC分类号： G06K9/00

CPC分类号： G06K9/00617 ,  G06K9/0061 ,  G06K9/6255

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。

公开(公告)号：US20090169064A1

公开(公告)日：2009-07-02

申请号：US11719947

申请日：2005-09-13

申请人： Daehoon Kim ,  Nam-Sook Wee ,  Song-Hwa Kwon ,  Sung Jin Lee ,  Hyeong In choi

发明人： Daehoon Kim ,  Nam-Sook Wee ,  Song-Hwa Kwon ,  Sung Jin Lee ,  Hyeong In choi

IPC分类号： G06K9/00

CPC分类号： G06K9/0061

摘要： The present invention relates to an iris identification method and system, which divide an iris image, which is acquired for personal identification, into a plurality of equal/unequal and multiscale regions, generate a corresponding code corresponding to the respective regions, organizing codes into a database, generate a code at the time of authentication in the same manner, and identify a person by comparing this code with the codes stored in the database, thus improving identification speed and rate.The present invention provides an iris identification method including iris code registration and iris code authentication, the iris code registration including the steps of acquiring iris images by capturing iris using cameras or receiving image files, generating iris codes from the acquired iris images, and storing the generated iris codes in a database, the iris code authentication including the steps of acquiring an iris image in a manner identical to that of the iris code registration, generating an iris code from the acquired iris image, and identifying the generated iris code by comparing the generated iris code with the iris codes stored in the database, wherein the iris code generation step is performed in such a way as to determine the inner and outer boundaries of an iris region by approximating the inner and outer boundaries with general curves based on actual shapes of the inner and outer boundaries, divide a part or all of a region between the inner and outer boundaries into one or more unit sectors, and generate an iris code corresponding to the respective sectors, and the iris code identification step is performed in such a way as to measure the distances of the generated code to the existing codes stored in the database and determine whether each of the distances falls within a threshold value.

摘要翻译： 虹膜识别方法和系统本发明涉及一种虹膜识别方法和系统，其将获取的用于个人识别的虹膜图像分成多个相等/不等于多尺度区域，生成对应于各个区域的相应代码，将代码组织成 数据库，以相同的方式在认证时生成代码，并通过将该代码与存储在数据库中的代码进行比较来识别人，从而提高识别速度和速率。 本发明提供了一种虹膜识别方法，包括虹膜代码注册和虹膜代码认证，虹膜代码注册包括以下步骤：通过使用相机或接收图像文件捕获虹膜来获取虹膜图像，从所获取的虹膜图像生成虹膜代码，并且存储 生成虹膜代码，所述虹膜代码认证包括以与虹膜代码注册相同的方式获取虹膜图像的步骤，从所获取的虹膜图像生成虹膜代码，并通过比较所述虹膜代码来识别所生成的虹膜代码 产生具有存储在数据库中的虹膜代码的虹膜代码，其中虹膜代码生成步骤以这样的方式执行，以便通过基于实际形状的通用曲线逼近内部和外部边界来确定虹膜区域的内部和外部边界 在内边界和外边界之间划分内边界和外边界i之间的一部分或全部区域 n到一个或多个单位扇区，并且生成与相应扇区对应的虹膜代码，并且以这样的方式执行虹膜代码识别步骤，以便测量生成的代码与存储在数据库中的现有代码的距离，并确定是否 每个距离落在阈值内。

公开(公告)号：US20130063582A1

公开(公告)日：2013-03-14

申请号：US13522948

申请日：2010-01-22

申请人： Hyeong In Choi ,  Dae Hoon Kim ,  Jung Kyo Sohn ,  Song Hwa Kwon ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik

发明人： Hyeong In Choi ,  Dae Hoon Kim ,  Jung Kyo Sohn ,  Song Hwa Kwon ,  Sung Jin Lee ,  Hwan Pyo Moon ,  Seung Min Paik

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。