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1. 发明授权

KR100904916B1 얼굴 인식 시스템 및 방법 有权
标题翻译：用于识别面部的系统和方法
公开(公告)号：KR100904916B1
公开(公告)日：2009-07-01
申请号：KR1020080057935
申请日：2008-06-19
申请人： 주식회사 다우엑실리콘 , 주식회사 크라스아이디 , 포항공과대학교 산학협력단
发明人： 박상조 , 박흥준 , 오철균 , 김익동 , 박정훈 , 김대진 , 박성수 , 전봉진 , 이주영
IPC分类号： G06K9/80 , G06T7/40 , G06T7/00
CPC分类号： G06K9/00275 , G06K9/4633 , G06K9/4661 , G06K9/6202
摘要： A system and a method for recognizing a face are provided to stably recognize a face in an environment in which various lightings are changed. A face extracting unit(130) extracts a face area from an input image as a face image. A conversion image computing unit(140) produces a conversion image by using a binary pattern by comparing each pixel of the face image with pixel values of adjacent pixels. A feature information extracting unit(150) extracts feature information about the face image by multiplying the conversion image by a projection matrix. A face recognizing unit(170) recognizes a face of the input image by comparing the extracted feature information with a character image stored in a database.
摘要翻译：提供用于识别面部的系统和方法，以在各种照明改变的环境中稳定地识别脸部。面部提取单元（130）从输入图像中提取面部区域作为面部图像。转换图像计算单元（140）通过将面部图像的每个像素与相邻像素的像素值进行比较，通过使用二进制图案来生成转换图像。特征信息提取单元（150）通过将转换图像乘以投影矩阵来提取关于脸部图像的特征信息。面部识别单元（170）通过将所提取的特征信息与存储在数据库中的字符图像进行比较来识别输入图像的面部。

2. 发明授权

KR100880256B1 실물 인식을 이용한 얼굴 인식 시스템 및 방법 有权
标题翻译：使用真实脸部识别识别脸部的系统和方法
公开(公告)号：KR100880256B1
公开(公告)日：2009-01-28
申请号：KR1020080067706
申请日：2008-07-11
申请人： 주식회사 다우엑실리콘 , 포항공과대학교 산학협력단
发明人： 박상조 , 박흥준 , 오철균 , 김익동 , 박정훈 , 김대진 , 전봉진 , 박성수 , 이주영
IPC分类号： G06T7/40 , G06T7/00
CPC分类号： G06K9/00221 , G06F17/30256 , G06K9/00281 , G06K9/00597
摘要： A system and a method for recognizing a face by using real face recognition are provided to perform face recognition by determining whether it is an actual face by using plural input images, thereby reducing the amount of operations and time for the face recognition. A face recognition system(100) comprises a face extraction unit(130), an actual face recognition unit(200), and a feature information extraction unit(150) and a face recognition unit(170). The face extraction unit extracts each face image with regard to each input image by continuously obtaining a plurality of input images. The actual face recognition unit determines whether it is an actual face by detecting the blinking of eyes by using a changed size of pupils and a change of an eye-line. The feature information extraction unit extracts feature information with regard to a predetermined face image among respective face images. The face recognition unit compares the extracted feature information with feature information of a person image stored in database to recognize a face of the input image. When a detected eye blinking frequency is larger than a threshold value, the actual face recognition unit recognizes a face in the input image as an actual face.
摘要翻译：提供一种通过使用真实的脸部识别来识别脸部的系统和方法，以通过使用多个输入图像确定它是否为实际面部来进行面部识别，从而减少面部识别的操作量和时间。面部识别系统（100）包括面部提取单元（130），实际面部识别单元（200）和特征信息提取单元（150）和面部识别单元（170）。面部提取单元通过连续地获得多个输入图像来提取关于每个输入图像的每个面部图像。实际的脸部识别单元通过使用改变的瞳孔尺寸和眼线的改变来检测眼睛的闪烁来确定它是否是真实的脸部。特征信息提取单元提取关于各个面部图像之间的预定面部图像的特征信息。面部识别单元将所提取的特征信息与存储在数据库中的人物图像的特征信息进行比较，以识别输入图像的面部。当检测到的眨眼频率大于阈值时，实际面部识别单元将输入图像中的面部识别为实际面部。

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