Cornsweet illusion

The same image as above, but the edge in the middle is hidden. Left and right part of the image appear as the same color now.

The actual distribution of luminance in the picture, and the typical perception of luminance.

The Cornsweet illusion, also known as the Craik–O'Brien–Cornsweet illusion and the Craik–Cornsweet illusion, is an optical illusion that was described in detail by Tom Cornsweet in the late 1960s. Craik and O'Brien had made earlier observations in a similar vein.

单词	Cornsweet illusion
释义	Cornsweet illusion 英语百科 Cornsweet illusion The Cornsweet illusion, also known as the Craik–O'Brien–Cornsweet illusion and the Craik–Cornsweet illusion, is an optical illusion that was described in detail by Tom Cornsweet in the late 1960s. Craik and O'Brien had made earlier observations in a similar vein.
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