DOTA:
Xia, Gui-Song, et al. "DOTA: A large-scale dataset for object detection in aerial images." Proc. CVPR. 2018.[PDF]
Hierarchical Segmentation：
Xu, Yongchao, et al. "Hierarchical segmentation using tree-based shape spaces." IEEE transactions on pattern analysis and machine intelligence 39.3 (2017): 457-469.[PDF]
Morphological filtering in shape spaces:
Xu, Yongchao, Thierry Géraud, and Laurent Najman. "Morphological filtering in shape spaces: Applications using tree-based image representations." Pattern Recognition (ICPR), 2012 21st International Conference on. IEEE, 2012.[PDF]
