Diffusion maps for signal processing: A deeper look at manifold-learning techniques based on kernels and graphs

Ronen Talmon, Israel Cohen, Sharon Gannot, Ronald R. Coifman

Research output: Contribution to journalReview articlepeer-review

60 Scopus citations

Abstract

Signal processing methods have significantly changed over the last several decades. Traditional methods were usually based on parametric statistical inference and linear filters. These frameworks have helped to develop efficient algorithms that have often been suitable for implementation on digital signal processing (DSP) systems. Over the years, DSP systems have advanced rapidly, and their computational capabilities have been substantially increased. This development has enabled contemporary signal processing algorithms to incorporate more computations. Consequently, we have recently experienced a growing interaction between signal processing and machine-learning approaches, e.g., Bayesian networks, graphical models, and kernel-based methods, whose computational burden is usually high.

Original languageEnglish
Article number6530788
Pages (from-to)75-86
Number of pages12
JournalIEEE Signal Processing Magazine
Volume30
Issue number4
DOIs
StatePublished - 2013

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