just-noticeable difference

Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to just-noticeable difference: Weber's law
ThesaurusAntonymsRelated WordsSynonymsLegend:
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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.