woensdag 24 november 2010

Integration of contour and surface information in shape detection

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Publication year: 2010
Source: Vision Research, In Press, Accepted Manuscript, Available online 17 November 2010
Bart, Machilsen , Johan, Wagemans
In studies of shape perception, the detection of contours and the segregation of regions enclosed by these contours have mostly been treated in isolation. However, contours and surfaces somehow need to be combined to create a stable perception of shape. In this study, we used a 2AFC task with arrays of oriented Gabor elements to determine whether and to what extent human observers integrate information from the contour and from the interior surface of a shape embedded in this array. The saliency of the shapes depended on the alignment of Gabors along the shape outline and on the isolinearity of...

 
 

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