The Leaning Tower Illusion
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The Leaning Tower Illusion is the illusion in which two identical images of the Leaning Tower of Pisa photographed from below, placed side by side, appear to rise at different angles. The illusion is not restricted to the Pisa tower however; it occurs in any pair of identical images of objects that appear to recede into the distance. This chapter argues that the illusion results from the misapplication of the visual system’s in-built mechanisms for correcting the distortions due to perspective in two-dimensional images of three-dimensional scenes. The relationship between the Leaning Tower illusion and size constancy illusions is discussed, and it is concluded that they are likely to be closely related.
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1990 ◽
Vol 26
(Supplement)
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pp. 248-249
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2011 ◽
Vol 45
(1)
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pp. 75-80
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2017 ◽
Vol 5
(4)
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pp. 449-457
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