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Absminus

Absminus is the same as the Merge node, only with operation set to difference by default. It layers images together using the difference compositing algorithm: abs(A-B). This algorithm calculates how much the pixels in input A differ from the pixels in input B. It can be useful for comparing two very similar images.

See also Merge.

Step-by-Step Guides

Layering Images Together with the Merge Node