The visual contour in depth
نویسندگان
چکیده
منابع مشابه
The visual contour in depth.
We asked subjects to match points on the surface of a smooth three-dimensional (3-D) shape with points on the surface of another object that was geometrically identical to the first object but was placed in a different pose, was differently textured, and was differently shaded. In all cases, the fiducial point was on the rim of one of the objects (i.e., the boundary of the visible region of the...
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828 One of the most basic constraints in optically guided behavior (or vision for short) is due to the fact that typical objects in the ken of a human observer are optically opaque solids. This is true for the typical office or living environment (walls of our houses, furniture, other people , etc.), as well as for outside environments (buildings, cars, trees, hills, etc.). For one thing, this ...
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In order to investigate the extent of the local connections subserving contour integration across depth, we measured performance for detecting the continuity of a path of Gabor elements distributed in depth and embedded in a three-dimensional field of random background elements. The results show that performance cannot be explained in terms of monocular performance and that contour information ...
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15 صفحه اولThe absence of depth constancy in contour stereograms.
Stereoscopic surfaces constructed from Kanizsa-type illusory contours or explicit luminance contours were tested for three-dimensional (3-D) shape constancy. The curvature of the contours and the apparent viewing distance between the surface and the observer were manipulated. Observers judged which of two surfaces appeared more curved. Experiment 1 allowed eye movements and revealed a bias in 3...
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ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 1997
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03205501