CVAT for image

How to export and import data in CVAT for image format

This is CVAT’s native annotation format, which fully supports all of CVAT’s annotation features. It is ideal for creating data backups.

For more information, see:

CVAT for image export

Applicable for all computer vision tasks in 2D except for Video Tracking.

For export of images:

  • Supported annotations: Bounding Boxes, Polygons, Polylines, Points, Cuboids, Ellipses, Skeletons, Tags, Masks.
  • Attributes: Supported.
  • Tracks: Can be exported, but track id will be lost.

The downloaded file is a zip archive with following structure:

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

CVAT for video export

Applicable for all computer vision tasks in 2D except for Classification

For export of images:

  • Supported annotations: Bounding Boxes, Polygons, Polylines, Points, Cuboids, Ellipses, Skeletons,Masks.
  • Attributes: Supported.
  • Tracks: Supported (tracks are split by frames).
  • Shapes are exported as single-frame tracks

Downloaded file is a zip archive with following structure:

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

CVAT loader

Uploaded file: either an XML file or a .zip file containing the aforementioned structures.