ClampedDiffNode
===============

Overview
--------
Computes img1 - img2 and clamps values below the cutoff to 0.

Inputs
------
- Image 1 (GrayScaleImage)
- Image 2 (GrayScaleImage)
- Cutoff (Int)

Parameters
----------
- Cutoff: min 0, max 255, default 0. Values below this are set to 0

Outputs
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- Result Image (GrayScaleImage)

Example
-------
Set Cutoff to 15 to suppress small differences.