imgcv.transformations.negative

Functions

check_image(image)

Check if the input is a numpy array

negative_transform(image)

Invert the pixel values of the input image

Module Contents

imgcv.transformations.negative.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.negative.negative_transform(image)

Invert the pixel values of the input image

Parameters:

image (ndarray) – Input image to be transformed

Formula:

s = 255 - r

Raises:

  • TypeError – If the input is not a numpy array

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

Returns:

Transformed image

Return type:

ndarray