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pro vyhledávání: '"Kotzagiannidis, Madeleine S."'
Autor:
Kotzagiannidis, Madeleine S.
Graph Signal Processing (GSP), as the field concerned with the extension of classical signal processing concepts to the graph domain, is still at the beginning on the path toward providing a generalized theory of signal processing. As such, this thes
Externí odkaz:
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.733237
We consider the problem of characterizing the `duality gap' between sparse synthesis- and cosparse analysis-driven signal models through the lens of spectral graph theory, in an effort to comprehend their precise equivalencies and discrepancies. By d
Externí odkaz:
http://arxiv.org/abs/1811.04493
In this work, we present a theoretical study of signals with sparse representations in the vertex domain of a graph, which is primarily motivated by the discrepancy arising from respectively adopting a synthesis and analysis view of the graph Laplaci
Externí odkaz:
http://arxiv.org/abs/1811.04460
With the objective of employing graphs toward a more generalized theory of signal processing, we present a novel sampling framework for (wavelet-)sparse signals defined on circulant graphs which extends basic properties of Finite Rate of Innovation (
Externí odkaz:
http://arxiv.org/abs/1606.08085
We present novel families of wavelets and associated filterbanks for the analysis and representation of functions defined on circulant graphs. In this work, we leverage the inherent vanishing moment property of the circulant graph Laplacian operator,
Externí odkaz:
http://arxiv.org/abs/1603.04917
Akademický článek
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Publikováno v:
2016 IEEE International Conference on Acoustics, Speech & Signal Processing (ICASSP); 2016, p6375-6379, 5p
Publikováno v:
2014 IEEE Global Conference on Signal & Information Processing (GlobalSIP); 2014, p923-927, 5p
Autor:
Papadakis, Manos, Goyal, Vivek K., Van De Ville, Dimitri, Kotzagiannidis, Madeleine S., Dragotti, Pier Luigi
Publikováno v:
Proceedings of SPIE; September 2015, Vol. 9597 Issue: 1 p95971E-95971E-9, 863749p