Function rgb2_lab 

pub fn rgb2_lab(src: &impl GMatTraitConst) -> Result<GMat>

Converts an image from RGB color space to Lab color space.

The function converts an input image from BGR color space to Lab. The conventional ranges for R, G, and B channel values are 0 to 255.

Output image must be 8-bit unsigned 3-channel image [CV_8UC1].

Note: Function textual ID is “org.opencv.imgproc.colorconvert.rgb2lab”

Parameters

• src: input image: 8-bit unsigned 3-channel image [CV_8UC1].

See also

RGB2YUV, RGB2LUV