The paper adds an adaptive tuning loop to sparse fast Fourier transform that estimates sparsity by counting local maxima in a subsampled hashed grid.
Geos cience and Remote Sensing, vol
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ATSFFT: A Novel Sparse Fast Fourier Transform Enabled With Sparsity Detection
The paper adds an adaptive tuning loop to sparse fast Fourier transform that estimates sparsity by counting local maxima in a subsampled hashed grid.