fredyshox / HomomorphicFilter

Homomorphic filter implemented in C++ using OpenCV 4

Homomorphic filter

Implementation of homomorphic filter in C++ using OpenCV library.

Build

Project is using CMake:

mkdir Build/
cd Build
cmake ..
make

Usage

Executables:

• HomomorphicFilterDemo in bin/demo - interactive toy with GUI

• • Usage: ./build/HomomorphicFilterDemo [OPTIONS] <imagefile>

• HomomorphicFilterCLI in bin/cli - CLI with ability to write results to file

• • Usage: ./HomomorphicFilterCLI [OPTIONS] <imagefile> <outputfile>

Common parameters:

• -b: use butterworth high pass filter
• -g: use gaussian high pass filter
• -c: use constant value as a border (0)
• -r: use boundary pixel replication as a border

Sources

• Digital Image Processing (4th Edition) - Rafael C. Gonzalez, Richard E. Woods
• Part 1 & Part 2: https://blogs.mathworks.com/steve/2013/06/25/homomorphic-filtering-part-1/