Modalities consensus for multi-modal constraint propagation

  • Authors:
  • Zhenyong Fu;Hongtao Lu;Horace H.S. Ip;Zhiwu Lu

  • Affiliations:
  • Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;Department of Computer Science, City University of Hong Kong, Hong Kong, Hong Kong;Institute of Computer Science and Technology, Peking University, Beijing, China

  • Venue:
  • Proceedings of the 20th ACM international conference on Multimedia
  • Year:
  • 2012

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Abstract

This paper presents a novel modalities consensus framework for multi-modal pairwise constraint propagation (MCP). We first combine multiple single-modal constraint propagation (SCP) problems together, and then explicitly introduce a new modalities consensus regularizer to force the propagation results on different modalities to be consistent with each other. With a separable consensus regularizer, the proposed approach can be effectively solved using an alternating optimization way. More importantly, based on our modalities consensus framework, two single-modal constraint propagation algorithms can be directly reformulated as two well-defined multi-modal solutions. Experimental results on constrained clustering tasks have shown that the proposed framework can achieve significant improvements with respect to the state of the arts.