> ## Documentation Index
> Fetch the complete documentation index at: https://app.redbrickai.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Segmentation overview and toolkit

> Explore the RedBrick AI segmentation toolkit, including instance vs. semantic segmentation, overlapping masks, and reference standards configuration.

### Segmentation Tools

An overview of our Segmentation Toolkit, features that are often used alongside it, and how to configure your toolkit for a Project.

<Card href="/docs/annotation-and-viewer/segmentation/segmentation-tools">Segmentation Tools</Card>

### Instance vs. Semantic Segmentation

An overview of the difference between instance and semantic segmentation, and a video walkthrough of how to do each on RedBrick AI.

<Card href="/docs/annotation-and-viewer/segmentation/instance-vs-semantic">Instance vs. Semantic Segmentation</Card>

### Overlapping Segmentations

A video overview of how to overlap segmentations on RedBrick AI.

<Card href="/docs/annotation-and-viewer/segmentation/overlapping-segmentations">Overlapping Segmentations</Card>

### Reference Standards

An overview of Reference Standards, i.e. a set of Ground Truth annotations that you can add to your Project as a visual reference for your labelers.

<Card href="/docs/projects/reference-standards#reference-standards">Reference Standards</Card>