How to convert sRGB to CIELAb and CIELab to sRGB efficiently?

c++ srgb
Conficker picture Conficker · Oct 12, 2010 · Viewed 9.8k times · Source

I don't understand how to convert sRGB to CIELab and backward. Help me please. it's desirable in с++ code

Answer

Artyom picture Artyom · Oct 12, 2010

Convert from sRGB to RGB by applying inverse gamma, convert RGB to XYZ using 3x3 matrix, convert XYZ to Lab using standard formula and D6500 white point

References:

The rest... you can do on your own :-)

Related questions

Easiest way to convert int to string in C++

What is the easiest way to convert from int to equivalent string in C++. I am aware of two methods. Is there any easier way? (1) int a = 10; char *intStr = itoa(a); string str = string(intStr); (2) int a = 10; stringstream ss; ss &…

Read More
The Definitive C++ Book Guide and List

This question attempts to collect the few pearls among the dozens of bad C++ books that are published every year. Unlike many other programming languages, which are often picked up on the go from tutorials found on the Internet, few …

Read More
How do I iterate over the words of a string?

I'm trying to iterate over the words of a string. The string can be assumed to be composed of words separated by whitespace. Note that I'm not interested in C string functions or that kind of character manipulation/access. Also, …

Read More