Recognition of expression variant faces using weighted subspaces

  title={Recognition of expression variant faces using weighted subspaces},
  author={Yongbin Zhang and Aleix M. Mart{\'i}nez},
  journal={Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004.},
  pages={149-152 Vol.3}
In the past decade or so, subspace methods have been largely used in face recognition - generally with quite success. Subspace approaches, however, generally assume the training data represents the full spectrum of image variations. Unfortunately, in face recognition applications one usually has an under-represented training set. A known example is that posed by images bearing different expressions; i.e., where the facial expressions in the training image and in the testing image diverge. If… CONTINUE READING
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