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- W1981337995 abstract "This article proposes a new method for image separation into a linear combination of morphological components. Sparsity in fixed dictionaries is used to extract the cartoon and oscillating content of the image. Complicated texture patterns are extracted by learning adapted local dictionaries that sparsify patches in the image. These fixed and learned sparsity priors define a nonconvex energy, and the separation is obtained as a stationary point of this energy. This variational optimization is extended to solve more general inverse problems such as inpainting. A new adaptive morphological component analysis algorithm is derived to find a stationary point of the energy. Using adapted dictionaries learned from data allows one to circumvent some difficulties faced by fixed dictionaries. Numerical results demonstrate that this adaptivity is indeed crucial in capturing complex texture patterns." @default.
- W1981337995 created "2016-06-24" @default.
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- W1981337995 date "2010-01-01" @default.
- W1981337995 modified "2023-10-18" @default.
- W1981337995 title "Learning the Morphological Diversity" @default.
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- W1981337995 doi "https://doi.org/10.1137/090770783" @default.
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