Graph signal decompositions

Signal-adapted tight frames on graphs

Toolbox for decomposing graph signals using a spectral transformation that accounts for both the graph topology and ensemble signal spectral features.

The theory is presented in the following paper:

H. Behjat, U. Richter, D. Van De Ville, L. Sörnmo, “Signal-Adapted Tight Frames on Graphs“, IEEE Transactions on Signal Processing, in press


Wavelets designed for multislice graphs

Matlab code for the extension of the spectral graph wavelet transform (SGWT) for multislice graphs.

The theory is presented in the following paper.

N. Leonardi, D. Van De Ville, “Tight Wavelet Frames on Multislice Graphs“, IEEE Transactions on Signal Processing, 2013, 61, 3357-3367