Gradient feature extraction for classifi
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Lin-Lin Huang; Akinobu Shimizu; Yoshihoro Hagihara; Hidefumi Kobatake
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Article
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2003
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Elsevier Science
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English
β 668 KB
Face detection from cluttered images is challenging due to the wide variability of face appearances and the complexity of image backgrounds. This paper proposes a classiΓΏcation-based method for locating frontal faces in cluttered images. To improve the detection performance, we extract gradient dire