just-noticeable difference


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Related to just-noticeable difference: Weber's law
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Noun1.just-noticeable difference - (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
difference limen, difference threshold, differential limen, differential threshold - the smallest change in stimulation that a person can detect
psychophysics - the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects
References in periodicals archive ?
One feature that makes VMAF particularly useful is that a 6-point differential constitutes a just-noticeable difference, which is generally accepted to mean a difference noticeable by 75% of viewers.
For each test, the computer calculated the just-noticeable difference (JND) for discriminating two levels of stimuli, using a set of 25 standard vibratory and thermal stimulation levels.
Xue, "Just-noticeable difference estimation with pixels in images," Journal of Visual Communication and Image Representation, vol.