Why HE doesn't have flat histogram

Why do histogram equalisation programs usually not produce images with flat histograms?

Réponses (1)

Image Analyst
Image Analyst le 19 Fév 2016

0 votes

All it does is to redistribute the gray levels non-linearly. It's not flat because the image quantized into gray levels. If it were continuous, it would be flat. However, there are ways to get a flat histogram. See my attached demos.

Produits

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by