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Bio-Visual Fusion for Person-Independent Recognition of Pain Intensity

  • Markus Kächele
  • Philipp Werner
  • Ayoub Al-Hamadi
  • Günther Palm
  • Steffen Walter
  • Friedhelm Schwenker
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9132)

Abstract

In this work, multi-modal fusion of video and biopotential signals is used to recognize pain in a person-independent scenario. For this purpose, participants were subjected to painful heat stimuli under controlled conditions. Subsequently, a multitude of features have been extracted from the available modalities. Experimental validation suggests that the cues that allow the successful recognition of pain are highly similar across different people and complementary in the analysed modalities to an extent that fusion methods are able to achieve an improvement over single modalities. Different fusion approaches (early, late, trainable) are compared on a large set of state-of-the art features for the biopotentials and video channels in multiple classification experiments.

Keywords

Feature Selection Facial Expression Empirical Mode Decomposition Skin Conductance Level Late Fusion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This paper is based on work done within the Transregional Collaborative Research Centre SFB/TRR 62 Companion-Technology for Cognitive Technical Systems funded by the German Research Foundation (DFG). Markus Kächele is supported by a scholarship of the Landesgraduiertenförderung Baden-Württemberg at Ulm University.

This work was performed on the computational resource bwUniCluster funded by the Ministry of Science, Research and Arts and the Universities of the State of Baden-Württemberg, Germany, within the framework program bwHPC.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Markus Kächele
    • 1
  • Philipp Werner
    • 2
  • Ayoub Al-Hamadi
    • 2
  • Günther Palm
    • 1
  • Steffen Walter
    • 3
  • Friedhelm Schwenker
    • 1
  1. 1.Institute of Neural Information ProcessingUlm UniversityUlmGermany
  2. 2.Institute of Information TechnologyUniversity of MagdeburgMagdeburgGermany
  3. 3.Department of Psychosomatic Medicine and PsychotherapyUlm UniversityUlmGermany

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