@INPROCEEDINGS{song2023igarss,
	author    = {Song, Chao and Ma, Mingyang and Mei, Shaohui},
	title     = {{RIFormer}: Learning Rotation-Invariant Features via Transformer},
	booktitle = {IEEE International Geoscience and Remote Sensing Symposium},
	volume    = {},
	number    = {},
	month     = {July},
	year      = {2023},
	pages     = {5399--5402}
}