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math.GM2024
Graph Linear Canonical Transform: Definition, Vertex-Frequency Analysis and Filter Design
Jian Yi Chen, Bing Zhao Li
This paper proposes a graph linear canonical transform (GLCT) by decomposing the linear canonical parameter matrix into fractional Fourier transform, scale transform, and chirp mod…
math.GM2024★ 1 cited
Discrete Linear Canonical Transform on Graphs: Uncertainty Principle and Sampling
Yu Zhang, Bing-Zhao Li
With an increasing influx of classical signal processing methodologies into the field of graph signal processing, approaches grounded in discrete linear canonical transform have fo…
math.GM2024
The Graph Fractional Fourier Transform in Hilbert Space
Yu Zhang, Bing-Zhao Li
Graph signal processing (GSP) leverages the inherent signal structure within graphs to extract high-dimensional data without relying on translation invariance. It has emerged as a…