This node transforms a mask so that it has only two values: 0 (black) and 1 (white).
To add a Reduce node, right-click in the Graph Editor and select Create Node > Mask Transformation > Reduce.
Double click on the node to open its parameters:
Use the Threshold slider to reduce the mask size.
Link the Reduce node to an input node.
All values strictly below the set threshold are replaced by the value 0 (black color). All values greater than or equal to the set threshold are replaced by a value of 1 (white color).
|Threshold||Threshold that is used to determine the new value|
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