iSAID: A Large-scale Dataset for Instance Segmentation in Aerial Images

Syed Waqas Zamir, Aditya Arora, Akshita Gupta, Salman Khan, Guolei Sun,
Fahad Shahbaz Khan, Fan Zhu, Ling Shao, Gui-Song Xia, Xiang Bai.

Image Source and Usage License

The images of iSAID is the same as the DOTA-v1.0 dataset, which are manily collected from the Google Earth, some are taken by satellite JL-1, the others are taken by satellite GF-2 of the China Centre for Resources Satellite Data and Application.

Use of the images from Google Earth must respect the corresponding terms of use: "Google Earth" terms of use.

All images and their associated annotations in iSAID can be used for academic purposes only, but any commercial use is prohibited.

Object Category

The object categories in iSAID include: plane, ship, storage tank, baseball diamond, tennis court, basketball court, ground track field, harbor, bridge, large vehicle, small vehicle, helicopter, roundabout, soccer ball field and swimming pool.

Annotation format

The iSAID uses pixel-level annotations. Each pixel represents a particular class. The annotation follows the format of MS COCO.

Development kit

The Development kit provide the following function:

  • Data Preparation
  • Evaluation

Original Data:DOTA (Object Detection)

Dota is a large-scale dataset for object detection in aerial images.

Data Download

You can download iSAID from either Baidu Drive or Google Drive, according to your network connections.