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Iterative Reference Driven Metric Learning for Signer Independent Isolated Sign Language Recognition

  • Fang YinEmail author
  • Xiujuan Chai
  • Xilin Chen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9911)

Abstract

Sign language recognition (SLR) is an interesting but difficult problem. One of the biggest challenges comes from the complex inter-signer variations. To address this problem, the basic idea in this paper is to learn a generic model which is robust to different signers. This generic model contains a group of sign references and a corresponding distance metric. The references are constructed by signer invariant representations of each sign class. Motivated by the fact that the probe samples should have high similarities with their own class references, we aim to learn a distance metric which pulls the samples and their true sign classes (references) closer and push away the samples from the false sign classes (references). Therefore, given a group of references, a distance metric can be exploited with our proposed Reference Driven Metric Learning (RDML). In a further step, to obtain more appropriate references, an iterative manner is conducted to update the references and distance metric alternately with iterative RDML (iRDML). The effectiveness and efficiency of the proposed method is evaluated extensively on several public databases for both SLR and human motion recognition tasks.

Keywords

Sign language recognition Signer independent Inter-signer variations Metric learning Human motion recognition 

Notes

Acknowledgements

This work was partially supported by 973 Program under contract No. 2015CB351802, Natural Science Foundation of China under contracts Nos. 61390511, 61472398, Microsoft Research Asia and the Youth Innovation Promotion Association CAS.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.Key Lab of Intelligent Information Processing of Chinese Academy of Sciences (CAS)Institute of Computing Technology, CASBeijingChina
  2. 2.University of Chinese Academy of SciencesBeijingChina
  3. 3.Cooperative Medianet Innovation CenterBeijingChina

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