Disambiguation of Objects by Stereopsis and Motion Cues

  • Christopher W. Tyler
Part of the Perspectives in Vision Research book series (PIVR)


One of the major tasks faced by organisms in a complex environment is disambiguating the objects in that environment from their backgrounds and from each other. The task is already challenging when there are a few objects in view with multi-faceted surfaces covered with multicolored patterns and lit with varying degrees of light and shadow. This might be exemplified by a scene of bathers in multicolored swimwear on the beach. But the disambiguation becomes nearly impossible when the scene is a deeply three-dimensional one of foliage high in the trees of a thick forest. When primates first adopted such an arboreal habitat, they were faced with the task of locomotion through this three-dimensional realm of branches heavily masked by a veil of leaves. The stakes for disambiguating the true distances from tree to tree were high; the price of failure was to drop many meters onto a ground inhabited by carnivorous beasts.


Binocular Disparity Depth Plane Horizontal Disparity Dynamic Visual Noise Vertical Disparity 
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.


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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • Christopher W. Tyler
    • 1
  1. 1.Smith-Kettlewell Eye Research InstituteSan FranciscoUSA

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