Learning Shared, Discriminative, and Compact Representations for Visual Recognition

  title={Learning Shared, Discriminative, and Compact Representations for Visual Recognition},
  author={Hans Lobel and Ren{\'e} Vidal and Alvaro Soto},
  journal={IEEE Transactions on Pattern Analysis and Machine Intelligence},
Dictionary-based and part-based methods are among the most popular approaches to visual recognition. In both methods, a mid-level representation is built on top of low-level image descriptors and high-level classifiers are trained on top of the mid-level representation. While earlier methods built the mid-level representation without supervision, there is currently great interest in learning both representations jointly to make the mid-level representation more discriminative. In this work we… CONTINUE READING


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