Zmatte — Nukepedia

Through Zmatte Gizmo you can create a smooth matte from z-depth pass.

First submitted: 23 February 2017

Author: chetalvfx

Compatible Nuke versions: 6.3 or later

Compatibility: Linux, Mac, Windows

Description Download

zmatte

Though 'Zmatte' Gizmo you can get smooth matte which helps you to do color correction,blur etc purpose. :)