Abstract

In this paper, illumination uniformity on face images has been accessed. A database of 1056 visible light face images and 1056 near-infrared face images has been used in our assessment process. This database uses 22 volunteers, irrespective to race and gender. Each volunteer had to attend two photography sessions. Our investigation on intensity distributions, and intensity differences, supports the theory that near-infrared face images are more robust towards illumination variations.

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