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Discriminative learned dictionaries for local image analysis

Open access
Mairal, Julien, Bach, Francis, Ponce, Jean, Sapiro, Guillermo, Zisserman, Andrew·2008·2008 IEEE Conference on Computer Vision and Pattern Recognition

Abstract

Sparse signal models have been the focus of much recent research, leading to (or improving upon) state-of-the-art results in signal, image, and video restoration. This article extends this line of research into a novel framework for local image discrimination tasks, proposing an energy formulation with both sparse reconstruction and class discrimination components, jointly optimized during dictionary learning. This approach improves over the state of the art in texture segmentation experiments using the Brodatz database, and it paves the way for a novel scene analysis and recognition framework based on simultaneously learning discriminative and reconstructive dictionaries. Preliminary results in this direction using examples from the Pascal VOC06 and Graz02 datasets are presented as well.

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Metadata

Authors
Mairal, J., Bach, F., Ponce, J., Sapiro, G., & Zisserman, A.
Venue
2008 IEEE Conference on Computer Vision and Pattern Recognition
Publisher
IEEE
Published
2008-06
Pages
1-8
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2082855665
Cited by
726
References
6
FWCI
32.59
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Discriminative learned dictionaries for local image analysis. https://app.cochat.ai/papers/10.1109/cvpr.2008.4587652
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Mairal, J., Bach, F., Ponce, J., Sapiro, G., & Zisserman, A. (2008). Discriminative learned dictionaries for local image analysis. 2008 IEEE Conference on Computer Vision and Pattern Recognition. https://doi.org/10.1109/cvpr.2008.4587652

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