convert_RGB2OD

tiatoolbox . utils . transforms . convert_RGB2OD

convert_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) – Image RGB

Returns

Optical denisty RGB image.

Return type

numpy.ndarray

Examples

>>> from tiatoolbox.utils import transforms
>>> # rgb_img: RGB image
>>> od_img = transforms.convert_RGB2OD(rgb_img)