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L1-norm minimization for quaternion signals
Jiasong Wu
Xu Zhang
Xiaoqing Wang
Lotfi Senhadji
Huazhong Shu
Published in:
CoRR (2012)
Keyphrases
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norm minimization
convex optimization
sparse representation
unsupervised feature selection
interior point methods
matrix completion
signal processing
sparse coding
low rank
pairwise
multiresolution
linear combination