imsubtract

Utility function for images which subtracts a matrix or a constant from a given matrix, x.

Syntax

R = imsubtract(x, y)

Inputs

x: Non-sparse, real 2D/ND matrix.; Type: ND matrix
y: Non-sparse, real 2D/ND matrix or a scalar.; Type: scalar

Outputs

R: Type: ND matrix

Examples:

Subtracts a constant from the given input:


R = imsubtract(imread('test.bmp'), 100);