Difference Key Node

Difference Key Node.

This node produces a matte that isolates foreground content by comparing it with a reference background image.

Ingressi

Immagine

Contains foreground content against the background that is to be removed.

Immagine

The reference background image.

Proprietà

Tolerance

Where pixels match the reference background to within the specified threshold, the matte is made transparent.

Riduzione

Increase to make nearby pixels partially transparent producing a smoother blend along the edges.

Uscite

Immagine

Image with its alpha channel adjusted for the keyed selection.

Matte

A black-and-white alpha mask of the key.