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GSP_GWFT - Generalized windowed Fourier transform

Usage

C = gsp_gwft(G,g,f, param );
C = gsp_gwft(G,g,f);

Input parameters

G Graph
g Window (graph signal or kernel)
f Graph signal (column vector)
param Structure of optional parameter

Output parameters

C Coefficient.

Description

This function compute the graph windowed Fourier transform of a signal f with the window g. The function returns a matrix of size N^2*N.

param a Matlab structure containing the following fields:

  • param.verbose : 0 no log, 1 print main steps, 2 print all steps. By default, it is 1.
  • param.lowmemory : use less memory. By default, it is 1.

Reference: shuman2013windowed