Conversion of RGB to Lab colour type

Conversion of RGB to Lab colour type

Usage

RGB_to_Lab(input_data)

Arguments

input_data

a 3-dimensional array (RGB image) where the third dimension is equal to 3. Values either in [0, 1] (they are multiplied by 255) or in 0-255 (they are truncated to integers)

Details

Meaning: RGB (Red-Green-Blue) to LAB (Lightness, A-colour-dimension, B-colour-dimension) colour conversion

References

https://www.epfl.ch/labs/ivrl/research/snic-superpixels/

Examples

library(OpenImageR)

set.seed(1)
array_3d = array(sample(1:255, 675, replace = TRUE), c(15, 15, 3))

res = RGB_to_Lab(array_3d)