Fast and flexible convolutional sparse coding

Convolutional sparse coding (CSC) has become an increasingly important tool in machine learning and computer vision. Image features can be learned and subsequently used for classification and reconstruction tasks. As opposed to patch-based methods, convolutional sparse coding operates on whole image...

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Vydáno v:2015 IEEE Conference on Computer Vision and Pattern Recognition (CVPR) s. 5135 - 5143
Hlavní autoři: Heide, Felix, Heidrich, Wolfgang, Wetzstein, Gordon
Médium: Konferenční příspěvek Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.06.2015
Témata:
Classification
Coding
Computer vision
Conferences
Convergence
Convolution
Convolutional codes
Encoding
Image reconstruction
Learning
Linear systems
Optimization
Pattern recognition
Reconstruction
Tasks
ISSN:1063-6919, 1063-6919
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Shrnutí:Convolutional sparse coding (CSC) has become an increasingly important tool in machine learning and computer vision. Image features can be learned and subsequently used for classification and reconstruction tasks. As opposed to patch-based methods, convolutional sparse coding operates on whole images, thereby seamlessly capturing the correlation between local neighborhoods. In this paper, we propose a new approach to solving CSC problems and show that our method converges significantly faster and also finds better solutions than the state of the art. In addition, the proposed method is the first efficient approach to allow for proper boundary conditions to be imposed and it also supports feature learning from incomplete data as well as general reconstruction problems.
Bibliografie:ObjectType-Article-2
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SourceType-Conference Papers & Proceedings-2
ISSN:1063-6919
1063-6919
DOI:10.1109/CVPR.2015.7299149