Abstract
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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This work is supported by the Natural Science Foundation of China under Grant: 61175041.
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Li, Y., Liu, X. & Gao, Z. Shadow determination and compensation for face recognition. Int. J. Mach. Learn. & Cyber. 5, 599–605 (2014). https://doi.org/10.1007/s13042-013-0207-z
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DOI: https://doi.org/10.1007/s13042-013-0207-z