brightness difference threshold

bright·ness dif·fer·ence thresh·old

the smallest difference that can be perceived as a difference in brightness.
Synonym(s): light difference (2)
Farlex Partner Medical Dictionary © Farlex 2012
Mentioned in ?
References in periodicals archive ?
where [r.sub.0] is the position of the nucleus in the image, r is the position of any other point in the circle window, I([r.sub.0]) is the brightness of the nucleus, I(r) is the brightness of any other point, t is the brightness difference threshold, and c is the output result.