# Histogram Equalization

> Source: https://sukruyusufkaya.com/en/glossary/histogram-equalization
> Updated: 2026-05-13T19:59:29.326Z
> Type: glossary
> Category: bilgisayarli-goru
**TLDR:** A classical enhancement technique that redistributes intensity values to improve image contrast.

<p>Histogram equalization is a classical technique used to improve detail visibility in low-contrast images. By spreading the intensity distribution over a broader range, it can make faint or dark regions more distinguishable. Although learning-based enhancement methods are more common today, this technique remains fast, interpretable, and low-cost. It can be useful in document analysis, medical images, and archival visual data.</p>