---
title: "Threshold"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/lib/image/filter/threshold
markdown: https://docs.nodetool.ai/nodes/lib/image/filter/threshold.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/lib/image/filter/threshold.md
---

# Threshold

**Type:** `lib.image.filter.Threshold`

**Namespace:** `lib.image.filter`

## Description

Smoothstep luminance threshold — keeps pixels above the cutoff, fades around it.
    image, threshold, brightpass, filter

## Properties

_(none)_

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `image` |  |

## Related Nodes

Browse other nodes in the [lib.image.filter](./) namespace.
