The generalized Haar-Walsh transform. - Jeff Irion; Naoki Saito 001 (SSP, 2014)

Hierarchical graph Laplacian eigen transforms. - Jeff Irion; Naoki Saito 001 (JSIAM Lett., 2014)

Learning sparsity and structure of matrices with multiscale graph basis dictionaries. - Jeff Irion; Naoki Saito 001 (MLSP, 2016)

Efficient Approximation and Denoising of Graph Signals Using the Multiscale Basis Dictionaries. - Jeff Irion; Naoki Saito 001 (IEEE Trans. Signal Inf. Process. over Networks, 2017)