Shadow determination and compensation for face recognition

被引:0
|
作者
Yi Li
Xiaodong Liu
Zhijun Gao
机构
[1] Dalian University of Technology,School of Electronic and Information Engineering
[2] Heilongjiang University of Science and Technology,Department of Computer and Information Engineering
关键词
Face recognition; Illumination variation; Shadow compensation; Robust PCA; Low-dimensional;
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暂无
中图分类号
学科分类号
摘要
Illumination variation that occurs on face images will significantly influence the performance of the recognition. Based on the low-dimensional intrinsic of face images, we design a novel two-step shadow compensation method for face recognition. Three indexes are proposed and employed to distinguish the shaded-images. Then, we compensate the shadows adaptively by using a modified Robust PCA result. Experimental results on Yale database and Yale B database demonstrate that the proposed approach can improve the recognition rate. Showing our method is suitable for face recognition with illumination variations.
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页码:599 / 605
页数:6
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