Question

Define the terms 'Sampling' and 'Quantization' in context of digital image processing. A medical image has size 8x8 inches, the sampling reduction is 5 cycles/mm, calculate the number of pixels required for the medical image.

20 Feb 2025
Answer :
Word Count : 348

Sampling in digital image processing refers to the process of converting a continuous image (such as a physical image) into a discrete digital image by measuring the intensity of the image at regular intervals. It essentially involves selecting a set of sample points (or pixels) from the continuous image. The sampling rate, often expressed in terms of cycles per millimeter (cycles/mm) or pixels per unit distance, determines how frequently ____ ________ ______ _____ _______ __________ ________ __________.
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