abs1__ | Calculate the absolute value (modulus) of an image. |
add__ | Add two images. |
div__ | Divide two images. |
invert | Invert an image. |
max2__ | Calculate the maximum of two images pixel by pixel. |
min2__ | Calculate the minimum of two images pixel by pixel. |
mult__ | Multiply two images. |
scale__ | Scale the gray values of an image. |
sub__ | Subtract two images. |