Learned Convolutional Sparse Coding
We propose a convolutional recurrent sparse auto-encoder model. The model consists of a sparse encoder, which is a convolutional extension of the learned ISTA (LISTA) method, and a linear convolutional decoder. Our strategy offers a simple strategy for learning a task-driven sparse convolutional dic...
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| Veröffentlicht in: | 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) S. 2191 - 2195 |
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| Sprache: | Englisch |
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01.04.2018
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| ISSN: | 2379-190X |
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| Abstract | We propose a convolutional recurrent sparse auto-encoder model. The model consists of a sparse encoder, which is a convolutional extension of the learned ISTA (LISTA) method, and a linear convolutional decoder. Our strategy offers a simple strategy for learning a task-driven sparse convolutional dictionary (CD), and producing an approximate convolutional sparse code (CSC) over the learned dictionary. We trained the model to minimize reconstruction loss via gradient decent with back-propagation and have achieved competitve results to KSVD image denoising and to leading CSC methods in image inpainting requiring only a small fraction of their runtime. |
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| AbstractList | We propose a convolutional recurrent sparse auto-encoder model. The model consists of a sparse encoder, which is a convolutional extension of the learned ISTA (LISTA) method, and a linear convolutional decoder. Our strategy offers a simple strategy for learning a task-driven sparse convolutional dictionary (CD), and producing an approximate convolutional sparse code (CSC) over the learned dictionary. We trained the model to minimize reconstruction loss via gradient decent with back-propagation and have achieved competitve results to KSVD image denoising and to leading CSC methods in image inpainting requiring only a small fraction of their runtime. |
| Author | Giryes, Raja Sreter, Hillel |
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| Snippet | We propose a convolutional recurrent sparse auto-encoder model. The model consists of a sparse encoder, which is a convolutional extension of the learned ISTA... |
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| SubjectTerms | Computational modeling Convolution Convolutional codes Convolutional Sparse Coding Dictionaries Encoding ISTA LISTA Neural networks Noise reduction Sparse Coding Task analysis |
| Title | Learned Convolutional Sparse Coding |
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