The early visual system is endowed with adaptive mechanisms that rapidly adjust gain and integration time based on the local luminance (mean intensity) and contrast (standard deviation of intensity ...
CHICAGO -- Patients who underwent abdominal or pelvic CT imaging with a low-osmolar contrast agent reported more discomfort during the exam than patients who received an iso-osmolar agent, researchers ...
The ratio of the brightest white to the darkest black on a TV or computer monitor. The larger the number, the greater the extremes; for example, car headlights can appear brilliant next to the pitch ...
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