machinevisiontoolbox.Image.__minus__

Image.__minus__()

Overloaded unary - operator

Returns:

elementwise negation of image

Return type:

Image

Compute the elementwise negation of an Image.

Example:

  File "/opt/hostedtoolcache/Python/3.9.20/x64/lib/python3.9/site-packages/machinevisiontoolbox/ImageCore.py", line 408, in colororder
    raise ValueError("colororder length does not match number of planes")
ValueError: colororder length does not match number of planes
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.9.20/x64/lib/python3.9/code.py", line 90, in runcode
    exec(code, self.locals)
  File "<input>", line 1, in <module>
NameError: name 'img' is not defined
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.9.20/x64/lib/python3.9/code.py", line 90, in runcode
    exec(code, self.locals)
  File "<input>", line 1, in <module>
NameError: name 'z' is not defined