Image enhancement / Histogram equalization
Effect speed: Fast
License: Not required
Equalizes the histogram of the image, in most cases this enhances the contrast. If the result seems over-equalized, strength can be reduced.
- Strength: strength of histogram equalization.
The original Cat image:
After histogram equalization by a strength of 50:
An example of over-equalization on the original Tihany (Hungary) image:
After histogram equalization by a strength of 50 the effect seems too strong especially on the sky:
By reducing the strength to 20 the artifacts disappear, but the contrast of the sky is still enhanced:
To try the Histogram equalization online just open Imagatic and look for it in the Image enhancement group.