Multi-Level Downsampling of Graph Signals via Improved Maximum Spanning Trees

Xianwei Zheng, Yuan Yan Tang, Jiantao Zhou, Jianjia Pan, Shouzhi Yang, Youfa Li, Patrick S. P. Wang

Abstract: Graph signal processing (GSP) is an emerging field in the signal processing community. Novel GSP-based transforms, such as graph Fourier transform and graph wavelet filter banks, have been successf...