Contrast Preserving Decolorization

Functions
void	cv::decolor (InputArray src, OutputArray grayscale, OutputArray color_boost)
	Transforms a color image to a grayscale image. It is a basic tool in digital printing, stylized black-and-white photograph rendering, and in many single channel image processing applications [150] . More...

Detailed Description

Useful links:

http://www.cse.cuhk.edu.hk/leojia/projects/color2gray/index.html

Function Documentation

decolor()

void cv::decolor	(	InputArray	src,
		OutputArray	grayscale,
		OutputArray	color_boost
	)

Python:
	grayscale, color_boost	=	cv.decolor(	src[, grayscale[, color_boost]]	)

#include <opencv2/photo.hpp>

Transforms a color image to a grayscale image. It is a basic tool in digital printing, stylized black-and-white photograph rendering, and in many single channel image processing applications [150] .

Parameters

src	Input 8-bit 3-channel image.
grayscale	Output 8-bit 1-channel image.
color_boost	Output 8-bit 3-channel image.

This function is to be applied on color images.