perceived contrast

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• Contrast resolution — is the ability to distinguish between differences in intensity in an image.[1] The measure is used in medical imaging to quantify the quality of acquired images. It is a difficult quantity to define, because it depends on the human observer as… …   Wikipedia

• Contrast effect — A contrast effect is the enhancement or diminishment, relative to normal, of perception, cognition and related performance as a result of immediately previous or simultaneous exposure to a stimulus of lesser or greater value in the same dimension …   Wikipedia

• Display contrast — Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.).… …   Wikipedia

• Negative (positive) contrast effect — in operant conditioning In the behavioral theory of operant conditioning, the negative contrast effect is evident when an attempt to reinforce a particular behavior through reward; when the rewards are finally withdrawn or reduced the subject is… …   Wikipedia

• colour contrast — noun The perceived change in a colour when surrounded by another colour, used in psychology and tests for colour blindness • • • Main Entry: ↑colour …   Useful english dictionary

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• Chubb illusion — An example of the Chubb illusion. The two centres are identical. The Chubb illusion is an optical illusion wherein the apparent contrast of an object varies dramatically, depending on the context of the presentation.[1] Low contrast texture… …   Wikipedia

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