The Effects of an Area of an Overlapping Region of Two Textures and Their Compound Outline on Texture Laciness

概要

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Three experiments were performed to examine how the spatial arrangement of two texture squares affected the occurrence of texture laciness, which is named by Watanabe and Cavanagh (1992). When two texture squares were presented with a part of them overlapping, one square is seen through the other in front of it for some arrangement. Varied were the area of the overlapping region of the squares and the compound outline produced by the squares. Ten undergraduates rated the stimuli generated on a color CRT display according to texture laciness. The experiments showed that the rating of laciness was higher where the compound outline of the squares was easily decomposed into two squares rather than where it was not. The area of the overlapping region did not produce any difference. The results indicate that texture laciness is affected by perceptual organization of the squares in the display.
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