Image Quantization and Thresholding

Abstract

The quantization process transforms, for all pixels in the image, the corresponding analog sensor output, s, into a digital value, d(s). Because of this quantization, each digital value will correspond to a range of values s. The number of quantization levels d ₀, d ₁,…, d _n , where the d _i are the values d(s) may assume, may itself be relatively small or large.