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Sparse Fast Fourier Transform for Exactly and Generally K-Sparse Signals by Downsampling and Sparse Recovery.
Sung-Hsien Hsieh
Chun-Shien Lu
Soo-Chang Pei
Published in:
CoRR (2014)
Keyphrases
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image reconstruction
machine learning
computational complexity
language model
sparse representation
floating point
fast fourier transform