imgcv.transformations.gamma

Functions

check_image(image)	Check if the input is a numpy array
gamma_correction(image[, gamma, c])	Applies gamma correction to the image.

Module Contents

imgcv.transformations.gamma.check_image(image)

Check if the input is a numpy array

Parameters:

image (np.ndarray) – Input image to be transformed

Raises:

• TypeError – If the input is not a numpy array

• ValueError – If the input is not a grayscale or color image

imgcv.transformations.gamma.gamma_correction(image, gamma=1.0, c=1)

Applies gamma correction to the image.

Formula:

gamma_correction = c * (image ** gamma)

Parameters:

• image (np.ndarray) – Image to be transformed.

• gamma (float, optional) – Power value . Defaults to 1.0.

• c (int, optional) – Constant value. Defaults to 1.

Returns:

Transformed image.

Return type:

np.ndarray