CVAT

This is the native CVAT annotation format. It supports all CVAT annotations features, so it can be used to make data backups.

• supported annotations CVAT for Images: Rectangles, Polygons, Polylines, Points, Cuboids, Skeletons, Tags, Tracks

• supported annotations CVAT for Videos: Rectangles, Polygons, Polylines, Points, Cuboids, Skeletons, Tracks

• attributes are supported

• Format specification

CVAT for images export

Downloaded file: a ZIP file of the following structure:

taskname.zip/
├── images/
|   ├── img1.png
|   └── img2.jpg
└── annotations.xml

• tracks are split by frames

CVAT for videos export

Downloaded file: a ZIP file of the following structure:

taskname.zip/
├── images/
|   ├── frame_000000.png
|   └── frame_000001.png
└── annotations.xml

• shapes are exported as single-frame tracks

CVAT loader

Uploaded file: an XML file or a ZIP file of the structures above