2021
DOI: 10.48550/arxiv.2108.13639
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Image Processing via Multilayer Graph Spectra

Abstract: This work introduces a tensor-based framework of graph signal processing over multilayer networks (M-GSP) to analyze high-dimensional signal interactions. Following Part I's introduction of fundamental definitions and spectrum properties of M-GSP, this second Part focuses on more detailed discussions of implementation and applications of M-GSP. Specifically, we define the concepts of stationary process, convolution, bandlimited signals, and sampling theory over multilayer networks. We also develop fundamentals… Show more

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Cited by 2 publications
(3 citation statements)
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“…Extending the M-GSP introduced in this work, we have successfully develop additional M-GSP applications in image processing, smart health, and hyperspectral image analysis. Interested readers may refer to [53], [54] for more details.…”
Section: E Other Potential Applications In Iot Systemsmentioning
confidence: 99%
“…Extending the M-GSP introduced in this work, we have successfully develop additional M-GSP applications in image processing, smart health, and hyperspectral image analysis. Interested readers may refer to [53], [54] for more details.…”
Section: E Other Potential Applications In Iot Systemsmentioning
confidence: 99%
“…Here, we mainly focus on fundamentals of singular analysis of the undirected multilayer networks. For more details on other concepts, such as MLN Fourier transform, M-GSP filter design, sampling theory and stationary process, readers are referred to [35], [36].…”
Section: Fundamentals Of M-gspmentioning
confidence: 99%
“…In view of the aforementioned challenges, this work introduces a new approach of graph signal processing over multilayer networks (M-GSP) to HSI processing. M-GSP [35], [36] is a tensor-based framework that generalizes traditional graph signal processing (GSP) [37] to process the heterogeneous graph structures across different layers of graphs. Since the spatial positions (pixels) are the same for all hyperspectral bands, we can model HSI data as a multilayer network with the same number of nodes in each layer (also known as multiplex network).…”
Section: Introductionmentioning
confidence: 99%