SubtractImg
DESCRIPTION
Computes a pointwise subtraction of two images. If one of the images
has only one channel (black&white) and the other has three channels (RGB),
then the single channel image is promoted to three channel by placing
zeros in the second and third channel.
INPUTS
Port: First Img In
Type: Lattice
Constraints: 1..3-D.
first image
Port: Second Img In
Type: Lattice
Constraints: 1..3-D.
subtracted image
WIDGETS
OUTPUTS
Port: Img Out
Type: Lattice
Constraints: 1..3-D.
subtraction (first - second)
PROBLEMS
SEE ALSO
AddImg
MultImg
DivImg
NegImg
ComplementImg
PowerImg
LogImg
ExpImg
[
Documentation Home ]
© The Numerical Algorithms Group Ltd,
Oxford UK. 1996