CLINICAL MEDICINE

Detailed explanation-1: -One such term is long scale contrast. This is a description of an image which demonstrates many different and subtle shades of grey to black. When the density differences are very subtle, it is said to have low contrast or long scale contrast.

Detailed explanation-2: -Another important ADC performance characteristic is degree of quantization or pixel bit depth, which controls the number of gray shades or contrast resolution of the image. During the process of quantization, each pixel, representing a brightness value, is assigned a numeric value.