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Denoising galaxy spectra with coupled dictionary learning.
Konstantina Fotiadou
Grigorios Tsagkatakis
Bruno Moraes
Filipe B. Abdalla
Panagiotis Tsakalides
Published in:
EUSIPCO (2017)
Keyphrases
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dictionary learning
denoising
sparse coding
natural images
sparse representation
image denoising
total variation
image super resolution
group sparsity
object category recognition
image processing
sparse codes
linear combination
image patches
convex optimization
wavelet packet