Add histogram equalization feature #514
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August 24, 2020 19:56
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@codejaeger I've just |
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@codejaeger I'm happy to merge this PR. I'm also hoping you'll be available to continue improving the histogram support in GIL. Thank you for your work.
@mloskot Yes currently I am aiming to improve the version of contrast limited AHE implemented to a faster version. I can only see general improvements post that for the histogram class in general (like improving the docs and making the interface simpler to use as @lpranam had suggested). |
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Co-authored-by: codejaeger <dhabalm1@>
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Co-authored-by: codejaeger <dhabalm1@>
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Description
Histogram equalization is an important contrast enhancement algorithm. It is an application of histograms to contrast stretch images.
Contains code, tests, example and doc for the algorithm global histogram equalization started during GSOC'2020.
The code has been tested on variety of standard test images to find any noticeable errors. A comparison with implementations from other image processing libraries has also been made.
Dependency
This PR requires support of GIL histogram class currently running in PR #499 . Reviewing and merging can only be done post completion of former PRs.
References
Wiki - https://en.wikipedia.org/wiki/Histogram_equalization
Related PRs - #435, #442
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