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Sparse Fourier Transforms on Rank-1 Lattices for the Rapid and Low-Memory Approximation of Functions of Many Variables.
Craig Gross
Mark A. Iwen
Lutz Kämmerer
Toni Volkmer
Published in:
CoRR (2020)
Keyphrases
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fourier transform
low memory
correlation function
frequency domain
signal and image processing
memory requirements
fourier domain
signal processing
log polar
spatial domain
image data
sparse coding
natural images
fast fourier transform
polar coordinates
fourier analysis
image quality