Transfer color to grayscale image

Description

This is an implementation of color transferring using C/C++ on Qt platform. The algorithm is entirely written in C.

What's the Colorization

Colorization is a technique to convert a grayscale image into a colored image.

• Film colorization - Wikipedia, the free encyclopedia
• Hand-colouring of photographs - Wikipedia, the free encyclopedia

Example

target	reference	output

• Window size: 5x5 pixels
• Sampling method: regular sampling

Requirement

• Qt 5.3 or newer (probably works on older than 5.3 but not tested)

Directory tree

include/      header files
inImg_db/     sample input images
lib_c/        C code
lib_qc/       C structure <-> C++ data conversion
outImg_db/    sample output images

Reference

• T Welsh, M Ashikhmin, K Mueller, Transferring color to greyscale images, ACM Transactions on Graphics (TOG), 2002