1. Li, S.Z., Jain, A.K. (eds.): Handbook of Face Recognition, 2nd edn. Springer, London (2011)
2. Chen, H.F., Belhumeur, P.N., Jacobs, D.W.: In Search of Illumination Invariants. In: IEEE CVPR, pp. 1254–1261. IEEE Press, South Carolina (2000)
3. Shashua, A., Riklin Raviv, T.: The Quotient Image: Class-Based Re-Rendering and Recognition with Varying Illuminations. IEEE Trans. PAMI 23, 129–139 (2001)
4. Ojala, T., Pietikäinen, M., Mäenpää, T.: Multiresolution Gray-scale and Rotation Invariant Texture Classification with Local Binary Patterns. IEEE Trans. PAMI 24, 971–987 (2002)
5. Wang, H., Li, S., Wang, Y.: Face Recognition under Varying Lighting Conditions Using Self Quotient Image. In: IEEE FG, pp. 819–824. IEEE Press, Seoul (2004)