contrast, radiographic

(redirected from radiographic, long-scale contrast)

contrast, radiographic (radiographic image),

n the differences in photographic or film density produced on a radiograph by structural composition of the object radiographed or by varying amounts of radiation.
contrast, radiographic, long-scale,
n an increased number of gradations of gray between the blacks and whites on a radiograph. Higher kilovoltages increase the scale of contrast.
contrast, radiographic, media,
contrast, radiographic, short-scale,
n a minimum number of gradations of gray between the blacks and whites on a radiograph. Lower kilovoltages decrease the scale of contrast.
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