augment.contrast
Description
Adjusts the contrast of an image.
- class Node(config=None, **kwargs)[source]
Adjusts the contrast of an image, by multiplying with a gain/alpha parameter.
- Inputs
img
(numpy.ndarray
): A NumPy array of shape \((height, width, channels)\) containing the image data in BGR format.- Outputs
img
(numpy.ndarray
): A NumPy array of shape \((height, width, channels)\) containing the image data in BGR format.- Configs
alpha (
float
) – [0.0, 3.0], default = 1.0.
Increasing the value of alpha increases the contrast.