Discovered visual illusion (IMAGE)

Toyohashi University of Technology (TUT)

Discovered visual illusion

Caption

While a red line can be seen in (A) due to an visual illusion, the line is actually gray. See the enlarged diagram. The difference is a contour formed from white lines. Once removed, it appears gray (B).

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COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED.

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