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Convolutional Dictionary Learning: A Comparative Review and New Algorithms

Journal Article · · IEEE Transactions on Computational Imaging
Convolutional sparse representations are a form of sparse representation with a dictionary that has a structure that is equivalent to convolution with a set of linear filters. Additionally, while effective algorithms have recently been developed for the convolutional sparse coding problem, the corresponding dictionary learning problem is substantially more challenging. Furthermore, although a number of different approaches have been proposed, the absence of thorough comparisons between them makes it difficult to determine which of them represents the current state of the art. The present work both addresses this deficiency and proposes some new approaches that outperform existing ones in certain contexts. A thorough set of performance comparisons indicates a very wide range of performance differences among the existing and proposed methods, and clearly identifies those that are the most effective.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1711366
Report Number(s):
LA-UR--17-27612
Journal Information:
IEEE Transactions on Computational Imaging, Journal Name: IEEE Transactions on Computational Imaging Journal Issue: 3 Vol. 4; ISSN 2573-0436
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Convolutional Transform Learning book January 2018
Learning Filter Bank Sparsifying Transforms journal January 2019
Blind Sparse Estimation of Intermittent Sources Over Unknown Fading Channels journal October 2019
Learned Convolutional Sparse Coding text January 2017
Multivariate Convolutional Sparse Coding for Electromagnetic Brain Signals preprint January 2018
A Convex Variational Model for Learning Convolutional Image Atoms from Incomplete Data journal November 2019

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