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* What is an Image? OR Explain a simple Image Model

written 6.1 years ago by teamques10 ★ 68k

•   modified 4.5 years ago

digital image processing

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written 6.0 years ago by teamques10 ★ 68k

Image is two dimensional function f(x, y). The valu of f at (x, y) is the intensity (brightness) of the image at that point. i.e.

Where, = illumination

= reflectance

Intensity of Monochrome image f at (x, y) is called a Gray Level () of the image at that point.

8-bit image,

No of gray levels =

L = 256 i.e.

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