Add rotated_faster_rcnn_dota_le90_1x (77.57% eval-val mAP50)

Update rotated_faster_rcnn_dota_le90_3x ProbIoU 3x checkpoint (83.42% eval-val mAP50)

Update OrientedDet pretrained checkpoints

Update OrientedDet pretrained checkpoints

Update OrientedDet pretrained checkpoints

Add rotated_faster_rcnn_r50_fpn_082 (DOTA le90, mAP 81.87%)

Add rotated_faster_rcnn_r50_fpn_081 checkpoint

Upload rotated_faster_rcnn_r50_fpn_080.pth

Update README.md

initial commit