magpack.image_utils.rgb2gray#
- rgb2gray(rgb)#
Converts RGB/RGBA data of shape (x, y, …, 3) to grayscale.
The output is in the same range as the input (e.g. [0,1] or [0,255]). Only the first 3 indices from the last dimension are used.
- Parameters:
- rgbnp.ndarray
Numpy array of shape (x, y, …, 3) to be converted
- Returns:
- graynp.ndarray
Numpy array of shape (x, y, …) grayscale data