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A model of the perception of area

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image of Spatial Vision
For more content, see Multisensory Research and Seeing and Perceiving.

A psychophysical experiment was performed to measure the ability of human observers to compare the areas of two geometrical figures (squares and rectangles). The results show a systematic overestimation of rectangle area with respect to that of the squares. A formal model of area perception and its consequent estimation is proposed, which is based on the concept of an 'image function'. It assumes that not the original figure but some specific isocline defined on the image function surface determines area perception. The systematic error observed in the experiment is explained by the model. We discuss the role of different definitions of the image function as well as its parameters on the model performance.

Affiliations: 1: Institute of Physiology, Czechoslovak Academy of Sciences, Videňska 1083, 14220 Prague 4, Czechoslovakia, Institute of Medical Psychology, Ludwig-Maximilians University, Goethestrasse 31, D8000 Munich 2, Germany; 2: Institute of Cybernetics, Italian National Council for Research, Via Toiano 6, 80072 Arco Felice (NA), Italy; 3: Institute of Physiology, Czechoslovak Academy of Sciences, Videňska 1083, 14220 Prague 4, Czechoslovakia


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