TY - CONF T1 - Synthesis-based recognition of low resolution faces T2 - 2011 International Joint Conference on Biometrics (IJCB) Y1 - 2011 A1 - Shekhar, S. A1 - Patel, Vishal M. A1 - Chellapa, Rama KW - Dictionaries KW - Face KW - face images KW - face recognition KW - face recognition literature KW - face recognition systems KW - illumination variations KW - image resolution KW - low resolution faces KW - Organizations KW - PROBES KW - support vector machines KW - synthesis based recognition AB - Recognition of low resolution face images is a challenging problem in many practical face recognition systems. Methods have been proposed in the face recognition literature for the problem when the probe is of low resolution, and a high resolution gallery is available for recognition. These methods modify the probe image such that the resultant image provides better discrimination. We formulate the problem differently by leveraging the information available in the high resolution gallery image and propose a generative approach for classifying the probe image. An important feature of our algorithm is that it can handle resolution changes along with illumination variations. The effective- ness of the proposed method is demonstrated using standard datasets and a challenging outdoor face dataset. It is shown that our method is efficient and can perform significantly better than many competitive low resolution face recognition algorithms. JA - 2011 International Joint Conference on Biometrics (IJCB) PB - IEEE SN - 978-1-4577-1358-3 M3 - 10.1109/IJCB.2011.6117545 ER -