Image.__neg__#

Image.__neg__() → Image[source][source]#

Overloaded unary - operator

Returns:

element-wise negation of image

Return type:

Image

Compute the element-wise negation of an Image.

Example:

>>> from machinevisiontoolbox import Image
>>> img = Image([[1, -2], [-3, 4]], dtype='int8')
>>> img.print()
    1 -2
   -3  4
>>> neg_img = -img
>>> neg_img.print()
   -1  2
    3 -4