Node that blurs adjacent pixels based on their difference and a threshold value.
thresholdBlur
First submitted: 11 July 2024
Updated: 26 October 2025
Author: horkew
Compatible Nuke versions: 14.0 or later
Compatibility: Mac, Windows
Node that blurs adjacent pixels based on their difference and a threshold value.
v03:
Based on Martin Kenzel's BlinkScript Gauss blur example, works significantly faster.
Previous version:
The node is iterative and expression-based so can be slow.
tags: threshold blur, smart blur, surface blur
tested on 14.0v3