منابع مشابه
A New Method for Eye Detection in Color Images
The problem of eye detection in face images is very important for a large number of applications ranging from face recognition to gaze tracking. In this paper we propose a new algorithm for eyes detection. First, the face region is extracted from the image by skin-color information. Second, horizontal projection in image is used to approximate region of the eye be obtained . At last, the eye ce...
متن کاملA New Method for Eye Detection in Color Images
The problem of eye detection in face images is very important for a large number of applications ranging from face recognition to gaze tracking. In this paper we propose a new algorithm for eyes detection. First, the face region is extracted from the image by skin-color information. Second, horizontal projection in image is used to approximate region of the eye be obtained . At last, the eye ce...
متن کاملEye Detection in Color Images
We present an approach to detect eyes in color images. First of all, RGB facial image is converted to YCbCr one. According to YCbCr facial image, the proposed algorithm constructs two EyeMaps, one map from luminance component (EyeMapL) and the other from chrominance components (EyeMapC). When the two separate EyeMaps are constructed, we combine them to make final EyeMap. We use final EyeMap to ...
متن کاملRed Eye due to Leech in the Eye
A 65–yrs-old man referred for an ocular discomfort and red eye. The clinical diagnosis was leech in the left eye and its species confirmed as being Limnatis nilotica. Ocular leech infestation should be considered in patients with a history of swimming or washing their face in streams and lakes. Attention should also be given to ocular leech infestation in the differential diagnosis of ocular tr...
متن کاملChief nodal axes of a heterocentric astigmatic eye and the Thibos–Bradley achromatic axis
Two kinds of axes are described as achromatic in the vision science literature: those of Le Grand and Ivanoff, originally proposed in the 1940s, and those of Thibos and Bradley proposed in the 1990s. Thibos-Bradley axes are based on chief nodal rays, that is, nodal rays that intersect the pupil at its center. By contrast Le Grand-Ivanoff achromatic axes are pupil independent. The purpose of thi...
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ژورنال
عنوان ژورنال: Science
سال: 1911
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.34.862.26