no code implementations • 21 Sep 2022 • Yu Zhang, Bing-Zhao Li
In this paper, we propose and design the definition of the discrete linear canonical transform on graphs (GLCT), which is an extension of the discrete linear canonical transform (DLCT), just as the graph Fourier transform (GFT) is an extension of the discrete Fourier transform (DFT).
no code implementations • 19 Dec 2021 • Hui Zhao, Bing-Zhao Li
The two-dimensional (2D) offset linear canonical transform (OLCT) in polar coordinates plays an important role in many fields of optics and signal processing.
no code implementations • 22 Oct 2021 • Hui Zhao, Bing-Zhao Li
The recovery of bandlimited signals with high dynamic range is a hot issue in sampling research.
no code implementations • 28 Aug 2021 • Fang-Jia Yan, Bing-Zhao Li
Many multi-dimensional signals appear in the real world, such as digital images and data that has spatial and temporal dimensions.