Abstract:
:Biological-motion perception can be regarded as a template-matching process. We are concerned with the visual cues in this template. Biological-motion perception is usually studied with point-light displays similar to the point-light displays invented by Johansson (1973 Perception and Psychophysics 14 201 - 211). These stimuli are in some ways abstract. In order to use more natural stimuli, we recorded movies of different actions in natural scenes. By blurring the scenes we modified the visual cues, particularly the local form and motion information. Observers were asked to identify the action portrayed. Our results demonstrate that templates for biological-motion recognition combine global form and motion cues. Reductions of local form and local motion information by blurring can be compensated by global form change and global motion. Local motion information is also used for segmentation.
journal_name
Perceptionjournal_title
Perceptionauthors
Kuhlmann S,Lappe Mdoi
10.1068/p5500subject
Has Abstractpub_date
2006-01-01 00:00:00pages
1495-506issue
11eissn
0301-0066issn
1468-4233journal_volume
35pub_type
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