contrast threshold


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contrast threshold

[′kän‚trast ‚thresh‚hōld]

contrast threshold

1. The minimum perceptible contrast for a given state of adaptation of the eye.
2. The luminance contrast which can barely be detected by an observer.
References in periodicals archive ?
The second includes the new ability of systems to be characterized by a system contrast threshold function just like the human eye, and a new target task performance metric that can provide more accurate performance predictions than the previous limiting frequency methods.