SVD-GCN FrameletSVD_GCN.py for multiple level SVD-Framelet-I FrameletSVD2_GCN.py for multiple level SVD-Framelet-II FrameletSVD_Cheby_GCN_Sparse.py for multiple level SVD-Framelet-III (large scale) FrameletSVD_GCN_Denoising.py for denoising experiments.