Nonlinearities and negative afterimages

Dan J. Swift; Robert A. Smith

doi:10.1364/OAM.1987.FH6

Annual Meeting Optical Society of America
Technical Digest Series (Optica Publishing Group, 1987),
paper FH6
•https://doi.org/10.1364/OAM.1987.FH6

Nonlinearities and negative afterimages

Dan J. Swift and Robert A. Smith

OSA Annual Meeting 1987

Rochester, New York United States
18–23 October 1987
ISBN:

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Vision: 3 (FH)

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D. J. Swift and R. A. Smith, "Nonlinearities and negative afterimages," in Annual Meeting Optical Society of America, Technical Digest Series (Optica Publishing Group, 1987), paper FH6.

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Abstract

It has long been known that sine-wave gratings appear somewhat distorted in shape, especially for high contrasts and low spatial frequencies. The bright areas appear to be considerably wider than the dark areas. This distortion is undoubtedly caused by a nonlinearity.

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