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physics.data-an2015★ 6 cited
From graphs to signals and back: Identification of network structures using spectral analysis
Ronan Hamon, Pierre Borgnat, Patrick Flandrin +1
Many systems comprising entities in interactions can be represented as graphs, whose structure gives significant insights about how these systems work. Network theory has undergone…
physics.data-an2014★ 15 cited
2-D Prony-Huang Transform: A New Tool for 2-D Spectral Analysis
Jérémy Schmitt, Nelly Pustelnik, Pierre Borgnat +2
This work proposes an extension of the 1-D Hilbert Huang transform for the analysis of images. The proposed method consists in (i) adaptively decomposing an image into oscillating…