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ABSTRACT

In our research we are interested in human sensitivity to differences in animal gaits. We use point light walkers as stimuli, and follow up with a study using a realistic 3D model. Previously it has been shown that humans can regonise human motion, gender and the identity of an actor from a set of moving points [1973; 1977]. McDonnell et al. [2008] show that both shape and motion influence sex perception of virtual human characters. Mather and West [1993] have shown that people can recognise animals from pointlight displays. In order to find out whether we can tell the difference between animals using motion cues, we captured the motion of farm animals.

REFERENCES

• 1: Cutting, J., and Kozlowski, L. 1977. Recognising friends by their walk: gait perception without familiarity cues. In Bulletin of the Psychonomic Society, vol. 9, 353--356.
• 2: Johansson, G. 1973. Visual perception of biological motion and a model for its analysis. In Perception and Psychophysics, vol. 14, 201--211.
• 3: Mather, G., and West, S. 1993. Recognition of animal locomotion from dynamic point-light displays. Perception 22, 759--766.
• 4: Rachel McDonnell , Sophie Jörg , Jessica K. Hodgins , Fiona Newell , Carol O'sullivan, Evaluating the effect of motion and body shape on the perceived sex of virtual characters, ACM Transactions on Applied Perception (TAP), v.5 n.4, p.1-14, January 2009 [doi>10.1145/1462048.1462051]
• 5: Ljiljana Skrba , Ian O'Connell , Carol O'Sullivan, Eye-tracking dynamic scenes with humans and animals, Proceedings of the 5th symposium on Applied perception in graphics and visualization, August 09-10, 2008, Los Angeles, California [doi>10.1145/1394281.1394325]

INDEX TERMS

Primary Classification:
  I. Computing Methodologies
  I.2 ARTIFICIAL INTELLIGENCE
        I.2.10 Vision and Scene Understanding

Additional Classification:
  I. Computing Methodologies
  I.3 COMPUTER GRAPHICS
      I.3.7 Three-Dimensional Graphics and Realism
  I.4 IMAGE PROCESSING AND COMPUTER VISION
      I.4.9 Applications
  I.5 PATTERN RECOGNITION
      I.5.2 Design Methodology
          Subjects: Feature evaluation and selection
  I.6 SIMULATION AND MODELING
      I.6.5 Model Development
          Subjects: Modeling methodologies

General Terms:
Algorithms, Design, Measurement