Rényi divergence minimization based co-regularized multiview clustering

Shalmali Joshi, Joydeep Ghosh, Mark Reid, Oluwasanmi Koyejo

Research output: Contribution to journalArticle

Abstract

Multiview clustering is a framework for grouping objects given multiple views, e.g. text and image views describing the same set of entities. This paper introduces co-regularization techniques for multiview clustering that explicitly minimize a weighted sum of divergences to impose coherence between per-view learned models. Specifically, we iteratively minimize a weighted sum of divergences between posterior memberships of clusterings, thus learning view-specific parameters that produce similar clusterings across views. We explore a flexible family of divergences, namely Rényi divergences for co-regularization. An existing method of probabilistic multiview clustering is recovered as a special case of the proposed method. Extensive empirical evaluation suggests improved performance over a variety of existing multiview clustering techniques as well as related methods developed for information fusion with multiview data.

Original languageEnglish (US)
Pages (from-to)411-439
Number of pages29
JournalMachine Learning
Volume104
Issue number2-3
DOIs
StatePublished - Sep 1 2016

Keywords

  • Clustering
  • Co-regularization
  • Multiview
  • Rényi divergence

ASJC Scopus subject areas

  • Software
  • Artificial Intelligence

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