CLAHE

Contrast Limited Adaptive Histogram Equalization C# .NET Framework - 2018

Help

More on algorithm find in CLAHE Article

Requirements

• Target framework: .NET Framework 4.6.1
• C# WPF App
• Visual Studio 2017
• NuGet: InteractiveDataDisplay.WPF (Graphs)

Program supports features

• Process multi-channel images
• Processing each channel on seperated thread
• Histogram Equalization
• Adaptive Histogram Equalization
• Contrast Limited Histogram Equalization
• Contrast Limited Adaptive Histogram Equalization

How to use

• Load image (double left click on image to load)
• Select algorithm
• Save image (right click on processed image to save)

Examples

Original Histogram Equalization Contrast Limited Histogram Equalization - Contrast Limit = 5 Adaptive Histogram Equalization - Window Size = 200 Contrast Limited Adaptive Histogram Equalization - Window Size = 200, Contrast Limit = 5

References

• CLAHE article http://www.cs.unc.edu/Research/MIDAG/pubs/papers/Adaptive%20Histogram%20Equalization%20and%20Its%20Variations.pdf
• CLAHE article https://digitalcommons.unf.edu/cgi/viewcontent.cgi?referer=&httpsredir=1&article=1264&context=etd
• CLAHE implementation https://github.com/cjaques/clahe_net/tree/master/Clahe_w
• Histogram Equalization implementation https://github.com/sairamganti/Csharp/tree/master/histogram%20equalization
• Histogram Equalization demonstration https://www.youtube.com/watch?v=eNBZI-qYhpg