Image embossing

Created on 2023-02-09T05:05:59-06:00

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Use a convolution kernel.

Typical embossing kernels are something like this:

 0 0  0
+1 0 -1
 0 0  0

To change the direction of an embossment you just change which parts of the kernel are positive and negative.

To soften an emboss you can use a fractional component. +0.5 and -0.5 will result in a softer image than +1 and -1.