1. Bishop, C.: Neural Networks for Pattern Recognition. Oxford Univ. Press, Oxford (1995)
2. Wang, X., Tang, X.: Face Photo Sketch Synthesis and Recognition. IEEE Trans. on PAMI (2009)
3. Liu, Q., Tang, X., Jin, H., Lu, H., Ma, S.: A Nonlinear Approach for Face Sketch Synthesis and Recognition. In: Proceedings of CVPR (2005)
4. Chang, H., Yeung, D.Y., Xiong, Y.: Super-resolution through Neighborhood Embedding. In: Proceedings of CVPR (2004)
5. Tang, X., Wang, X.: Face Sketch Recognition. IEEE Trans. on CSVT 14, 50–57 (2004)