Generating a Digital Image

Image Sampling and Quantization

Image as functions

Image Bits

Subsampling Problem

Size of image file given stats

Pixel (or Point)-based Processing

Linear Stretching

Histogram Equalization: Discrete Implementation

Understand the table columns, and what they mean

Example

Porbabilities of a grey showing up

Cumulative Distribution Function “CDF” (cumulative sum)

New Equalized Value gₗ = floor( CDF × 7 )

Compute new distribution 𝒑𝑮(𝒍)

Final result