Contrast Limited Adaptive Histogram Equalization (CLAHE)

Screen

  • 1⚓

    Titles Grid Size⚓

    Sets size of grid for histogram equalization. Input image will be divided into equally sized rectangular tiles.

  • 2⚓

    Clip Limit⚓

    Sets threshold for contrast limiting.

  • 3⚓

    Preview⚓

    When this option is ticked, changes are displayed in real time.

The Contrast Limited Adaptive Histogram Equalization (CLAHE) is a filter that enhances the local contrast of an image.

Tip

This filter is very welcome for galaxy images.

WarningNote for the user:⚓

Be sure to use this with the linear rendering mode activated to better see the effect of pixel value stretching.