Effect of surround size on the perception of texture patterns.

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Abstract
Halftone reproductions can be used to embed symbols in a checkerboard pattern so that the symbols cannot be readily identified. 3 experiments studied the legibility of embedded symbols as a function of surround size. Over a range of experimental conditions legibility was found to improve with increasing surround size. The form of the relationship varies with the size of the symbol, exposure time, and the way in which the symbol is embedded. Phenomenally, as the size of the surround increases, those elements of the halftone pattern which can be assimilated to the surround are partialed out to form a single framework in relation to which the symbol is seen. The results are discussed in connection with the effect of the surround on figure-ground organization. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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