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Graph Fractional Fourier Transform: A Unified Theory

open access: yesIEEE Transactions on Signal Processing
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Aykut Koc   +2 more
exaly   +4 more sources

Redundant graph Fourier transform

2015 IEEE 2nd International Conference on Cybernetics (CYBCONF), 2015
Signal processing on graphs is a new emerging field that processing high-dimensional data by spreading samples on networks or graphs. The new introduced definition of graph Fourier transform shows its importance in establishing the theory of frequency analysis or computational harmonic analysis on graph signal processing. We introduce the definition of
Yulong Wang   +2 more
exaly   +2 more sources

A windowed graph Fourier transform [PDF]

open access: yes2012 IEEE Statistical Signal Processing Workshop (SSP), 2012
The prevalence of signals on weighted graphs is increasing; however, because of the irregular structure of weighted graphs, classical signal processing techniques cannot be directly applied to signals on graphs. In this paper, we define generalized translation and modulation operators for signals on graphs, and use these operators to adapt the ...
Shuman, David   +2 more
openaire   +2 more sources

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