Advanced-Color-to-Gray-Conversion

An implementation of "Song, Yibing & Bao, Linchao & Xu, Xiaobin & Yang, Qingxiong. (2013). Decolorization: Is rgb2gray() out?. SIGGRAPH Asia 2013 Technical Briefs, SA "

Requirement

• python3 (or higher)
• opencv 3.0

install package

• numpy
• matplotlib

Usage

$ python main.py --mode <c: conventional; a: advanced> -i <input image folder> -o <output directory>

# for example to process advanced grayscale 
$ python main.py

Output

The program will output:

• Conventional mode
  • RGB image convert to grayscale image using Y = 0.299 * R + 0.587 * G + 0.114 * B formula
• Advanced mode
  • RGB image convert to grayscale image using Decolorization: Is rgb2gray() Out? method to select weight
  • Record weight and vote in save file name
• Processing all image in input folder
• Save process result in output directory

see more detail in Report