Extraction of illumination invariant facial features from a single image using nonsubsampled contourlet transform


Face recognition under varying lighting conditions is challenging, especially for single image based recognition system. Exacting illumination invariant features is an effective approach to solve this problem. However, existing methods are hard to extract both multi-scale and multi-directivity geometrical structures at the same time, which is important for… (More)
DOI: 10.1016/j.patcog.2010.06.019


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