A. Sakiyama, K. Watanabe, and Y. Tanaka, "Spectral graph wavelets and filter banks with low approximation error," IEEE Trans. on Signal and Information Processing over Networks, vol. 2, no. 3, pp. 230-245, 2016.
LPPRGFB toolbox for the above-mentioned paper is available from the link below.
Y. Tanaka and A. Sakiyama, "M-channel oversampled graph filter banks," IEEE Transactions on Signal Processing, vol. 62, no. 14, pp. 3578-3590, 2014.
A. Sakiyama and Y. Tanaka, "Oversampled graph Laplacian matrix for graph filter banks," IEEE Transactions on Signal Processing, vol. 62, no. 24, pp. 6425-6437, 2014.
OSGFB toolbox for the above-mentioned papers is available from the link below.
Version 0.2: Added codes for oversampled graph Laplacian matrix.