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    • 95. 发明授权
    • Apparatus and method for detecting speaking person's eyes and face
    • 用于检测说话人的眼睛和脸部的装置和方法
    • US06611613B1
    • 2003-08-26
    • US09607279
    • 2000-06-30
    • Dong-joong KangSung-gul RyooJi-yeun KimChang-yeong KimYang-seock Seo
    • Dong-joong KangSung-gul RyooJi-yeun KimChang-yeong KimYang-seock Seo
    • G06K900
    • G06K9/00228
    • An apparatus for detecting the position of a human face in an input image or video image and a method thereof are provided. The apparatus includes an eye position detecting means for detecting pixels having a strong gray characteristic to determine areas having locality and texture characteristics as eye candidate areas among areas formed by the detected pixels, in an input red, blue, and green (RGB) image, a face position determining means for creating search templates by matching a model template to two areas extracted from the eye candidate areas, and determining an optimum search template among the created search templates by using the value normalizing the sum of a probability distance for the chromaticity of pixels within the area of a search template, and horizontal edge sizes calculated in the positions of the left and right eyes, a mouth and a nose estimated by the search template, and an extraction position stabilizing means for forming a minimum boundary rectangle by the optimum search template, and increasing count values corresponding to the minimum boundary rectangle area and reducing count values corresponding to an area other than the minimum boundary rectangle area, among count values of individual pixels, stored in a shape memory, to output the area in which count values above a predetermined value are positioned, as eye and face areas. The apparatus is capable of accurately and quickly detecting a speaking person's eyes and face in an image, and is tolerant of image noise.
    • 提供一种用于检测输入图像或视频图像中的人脸的位置的装置及其方法。 该装置包括:眼睛位置检测装置,用于在输入的红色,蓝色和绿色(RGB)图像中检测具有强灰色特性的像素,以确定具有由检测到的像素形成的区域之中的具有局部性和纹理特征的区域作为候选眼睛区域; 面部位置确定装置,用于通过将模型模板与从眼睛候选区域提取的两个区域相匹配来创建搜索模板,以及通过使用归一化用于色彩的色度的概率距离之和的值来确定所创建的搜索模板中的最佳搜索模板 搜索模板区域内的像素,以及在由搜索模板估计的左眼和右眼,口和鼻的位置中计算的水平边缘大小,以及提取位置稳定装置,用于将最小边界矩形形成最佳 搜索模板,以及增加对应于最小边界矩形区域的计数值,并减少计数值va 存储在形状存储器中的各个像素的计数值之中的与最小边界矩形区域以外的区域相对应的图案,以输出高于预定值的计数值的区域作为眼睛和脸部区域。 该装置能够准确,快速地检测说话人的眼睛和脸部的图像,并且容忍图像噪声。