contrast threshold การใช้

The contrast threshold can be defined as the minimum contrast that can be resolved by the patient.
Therefore, the contrast threshold required for detection is proportional to the signal-to-noise ratio multiplied by the noise divided by the area.
Using the results of a contrast sensitivity exam, a contrast sensitivity curve can be plotted, with angular frequency on the horizontal, and contrast threshold on the vertical axis.
The missile is initially brought onto the target manually, normally using a small cueing input on the pilot's control stick or by the weapons officer in two-seat aircraft . When the trigger is pressed to " pickle " the target, the contrast threshold circuits are turned on when the camera is scanning locations close to the pickled location on the screen.