Image annotation with Python. Supports polygon, rectangle, circle, line, point, and AI-assisted annotation.
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Updated
May 9, 2026 - Python
Image annotation with Python. Supports polygon, rectangle, circle, line, point, and AI-assisted annotation.
Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.
A curated list of awesome data labeling tools
The AI Datastore for Schemas, BLOBs, and Predictions. Use with your apps or integrate built-in Human Supervision, Data Workflow, and UI Catalog to get the most value out of your AI Data.
Efficiently Scaling Up Video Annotation with Crowdsourced Marketplaces. IJCV 2012
RectLabel is an offline image annotation tool for object detection and segmentation.
Video and Image Analytics for Multiple Environments
Video Annotation Tool
Media annotation and analysis tools for web and desktop. Get started at https://viame.kitware.com
Open source annotation and labeling tool for image and video assets
Annotate videos frame-by-frame collaboratively
An easy to use mpv script to annotate videos with tags while you watch.
Pixano App is a web-based smart-annotation tool for computer vision applications.
Pixano Elements - Re-usable web components dedicated to data annotation tasks.
Video / Image Annotation (Polygon, Semantic mask, Classification) with Python
深度视觉LabelmeAI是一款基于LabelMe开源版进行深度重开发的更加智能的标注工具。
Video and audio annotator
A simple video annotation made with python + OpenCV for detection in YoloV2 format
🏭 The base production setup of BIIGLE, the image and video annotation tool
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