Seeing is worse than believing: Reading people's minds better than computer-vision methods recognize actions

  • Andrei Barbu
  • , Daniel P. Barrett
  • , Wei Chen
  • , Narayanaswamy Siddharth
  • , Caiming Xiong
  • , Jason J. Corso
  • , Christiane D. Fellbaum
  • , Catherine Hanson
  • , Stephen José Hanson
  • , Sébastien Hélie
  • , Evguenia Malaia
  • , Barak A. Pearlmutter
  • , Jeffrey Mark Siskind
  • , Thomas Michael Talavage
  • , Ronnie B. Wilbur

Research output: Contribution to journalConference articlepeer-review

6 Scopus citations

Abstract

We had human subjects perform a one-out-of-six class action recognition task from video stimuli while undergoing functional magnetic resonance imaging (fMRI). Support-vector machines (SVMs) were trained on the recovered brain scans to classify actions observed during imaging, yielding average classification accuracy of 69.73% when tested on scans from the same subject and of 34.80% when tested on scans from different subjects. An apples-to-apples comparison was performed with all publicly available software that implements state-of-the-art action recognition on the same video corpus with the same cross-validation regimen and same partitioning into training and test sets, yielding classification accuracies between 31.25% and 52.34%. This indicates that one can read people's minds better than state-of-the-art computer-vision methods can perform action recognition.

Original languageEnglish
Pages (from-to)612-627
Number of pages16
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8693 LNCS
Issue numberPART 5
DOIs
StatePublished - 2014
Event13th European Conference on Computer Vision, ECCV 2014 - Zurich, Switzerland
Duration: 6 Sep 201412 Sep 2014

Keywords

  • action recognition
  • fMRI

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