Authors: Jiapeng Wang*, Yan Li*, Tianwei Wang, Jiaxin Zhang, Yichao Huang, Canjie Luo, Kai Ding, Lianwen Jin (*equal contribution), SCUT-DLVC-Lab & INTSIG-AIM

Description: This method utilizes a refinement-based Mask-RCNN. We iteratively remove redundant information and refine detected bounding-box results. Finally, the submitted result is ensembled from several models with different backbones.