rgb2od

tiatoolbox . utils . transforms . rgb2od

rgb2od(img)

Convert from RGB to optical density (\(OD_{RGB}\)) space.

\[RGB = 255 * exp^{-1*OD_{RGB}}\]

Parameters:

img (numpy.ndarray of type numpy.uint8) – RGB image.

Returns:

Optical density (OD) RGB image.

Return type:

numpy.ndarray

Examples

>>> from tiatoolbox.utils import transforms, misc
>>> rgb_img = misc.imread('path/to/image')
>>> od_img = transforms.rgb2od(rgb_img)