Image histogram remapping
Python
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README.md

Hmap

An image histogram remapping script written in Python 2.7 by Anthony Kesich and Ross Goodwin. Changes source image so that source image's histogram matches target image's histogram. Requires PIL/Pillow:

$ sudo pip install Pillow

To run Hmap, cd into the directory where hmap.py (for black and white images) or hmap_c.py (for color images) is located. Ensure source and target images have the same height and width dimensions (in pixels), and place them in the directory. Run the script with 2 additional arguments (source and target image files) as shown in the following example.

Example:

$ python hmap_c.py source_image.jpg target_image.jpg

hmap.py

Source Image:

Source Image

Target Image:

Target Image

Result:

Result

Photographs by Ansel Adams

hmap_c.py

Color Source Image:

Color Source Image

Color Target Image:

Target Image

Result:

Result

Photographs by Steve McCurry