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Forcing sparsity by projecting with respect to a non-diagonally weighted frobenius norm.
Robert B. Schnabel
Philippe L. Toint
Published in:
Math. Program. (1983)
Keyphrases
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frobenius norm
reconstruction error
high dimensional
sparse representation
negative matrix factorization
data sets
objective function
multiresolution
linear combination
high order
kullback leibler divergence