Local Smoothness of Graph Signals
Sign Up to like & getrecommendations! Published in 2019 at "Mathematical Problems in Engineering"
DOI: 10.1155/2019/3208569
Abstract: Analysis of vertex-varying spectral content of signals on graphs challenges the assumption of vertex invariance and requires the introduction of vertex-frequency representations as a new tool for graph signal analysis. Local smoothness, an important parameter… read more here.
Keywords: vertex frequency; graph signals; smoothness; local smoothness ... See more keywords
From Time–Frequency to Vertex–Frequency and Back
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DOI: 10.3390/math9121407
Abstract: The paper presents an analysis and overview of vertex–frequency analysis, an emerging area in graph signal processing. A strong formal link of this area to classical time–frequency analysis is provided. Vertex–frequency localization-based approaches to analyzing… read more here.
Keywords: time frequency; vertex frequency; frequency; analysis ... See more keywords