2 papers
eess.SP2025
Two-Dimensional Graph Bi-Fractional Fourier Transform
Mingzhi Wang, Zhichao Zhang
Graph signal processing (GSP) advances spectral analysis on irregular domains. However, existing two-dimensional graph fractional Fourier transform (2D-GFRFT) employs a single frac…
eess.SP2025
Graph Fractional Hilbert Transform: Theory and Application
Daxiang Li, Zhichao Zhang
The graph Hilbert transform (GHT) is a key tool in constructing analytic signals and extracting envelope and phase information in graph signal processing. However, its utility is l…