41 citations · 104 across the 15 of their papers we have counts for
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cs.SI2015
A short-graph Fourier transform via personalized PageRank vectors
Mariano Tepper, Guillermo Sapiro
The short-time Fourier transform (STFT) is widely used to analyze the spectra of temporal signals that vary through time. Signals defined over graphs, due to their intrinsic comple…
cs.LG2015★ 41 cited
Compressed Nonnegative Matrix Factorization is Fast and Accurate
Mariano Tepper, Guillermo Sapiro
Nonnegative matrix factorization (NMF) has an established reputation as a useful data analysis technique in numerous applications. However, its usage in practical situations is und…