Open-source computer vision annotation tool originally built at Intel, supporting bounding boxes, polygons, keypoints, and video interpolation, with automatic annotation via built-in models and a hosted cloud plan for teams avoiding self-deployment.
Key Features
- Supports bounding box and polygon annotation
- Keypoint annotation and video interpolation
- Built-in AI model automatic annotation
- Team collaboration and permission management
- Supports cloud and self-hosted deployment
Pros
- Feature-rich interface, open-source and free
- Automation features dramatically boost efficiency
- Supports video processing and interpolation
Cons
- Self-hosting requires a technical background
- The cloud plan requires a paid subscription
Use Cases
- Preparing AI model training data
- Autonomous-driving image annotation
- Object tracking in surveillance video
Editor's Note
A top open-source choice for visual annotation, feature-complete and open-source.
FAQ
Is CVAT free?
Yes. CVAT offers an open-source version for free self-hosting, plus a paid cloud-hosted plan.
Can it be used to process video?
Yes. It supports video annotation with interpolation to automatically track objects across consecutive frames.
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