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Learning Hyper-Features for Visual Identification
Neural Information Processing Systems (NIPS) (2005)
  • Andras Ferencz, University of California - Berkeley
  • Erik G Learned-Miller, University of Massachusetts - Amherst
  • Jitendra Malik, University of California - Berkeley

We address the problem of identifying specific instances of a class (cars) from a set of images all belonging to that class. Although we cannot build a model for any particular instance (as we may be provided with only one “training ” example of it), we can use information extracted from observing other members of the class. We pose this task as a learning problem, in which the learner is given image pairs, labeled as matching or not, and must discover which image features are most consistent for matching instances and discriminative for mismatches. We explore a patch based representation, where we model the distributions of similarity measurements defined on the patches. Finally, we describe an algorithm that selects the most salient patches based on a mutual information criterion. This algorithm performs identification well for our challenging dataset of car images, after matching only a few, well chosen patches.

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Andras Ferencz, Erik G Learned-Miller and Jitendra Malik. "Learning Hyper-Features for Visual Identification" Neural Information Processing Systems (NIPS) Vol. 17 (2005)
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