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Performance releaser with smart anchor learning for arbitrary‐oriented object detection

CAAI Transactions on Intelligence Technology 2023年第4期8卷 1213-1225页

作者： Tianwei W.Zhang Xiaoyu Y.Dong Xu Sun Lianru R.Gao Ying Qu Bing Zhang Ke Zheng Key Laboratory of Computational Optical Imaging Technology Aerospace Information Research InstituteChinese Academy of SciencesBeijingChina University of Chinese Academy of Sciences BeijingChina Department of Complexity Science and Engineering The University of TokyoTokyoJapan University of Tennessee KnoxvilleTennesseeUSA Key Laboratry of Digital Earth Science Aerospace Information Research InstituteChinese Academy of SciencesBeijingChina College of Geography and Environment Liaocheng UniversityLiaochengChina

Arbitrary‐oriented object detection is widely used in aerial image applications because of its efficient object ***,the use of oriented bounding box aggravates the imbalance between positive and negative samples when using one‐stage object detectors,which seriously decreases the detection *** believe that it is the anchor learning strategy(ALS)used by such detectors that needs to take the *** this study,three perspectives on ALS design were summarised and ALS—Performance Releaser with Smart anchor learning(PRSAL)was *** Releaser with Smart anchor learning is a dynamic ALS that utilises anchor classification ability as an equivalent indicator to anchor box regression ability,this allows anchors with high detection potential to be filtered out in a more reasonable *** the same time,PRSAL focuses more on anchor potential and it is able to automatically select a number of positive samples that far exceed that of other methods by activating anchors that previously had a low spatial overlap,thereby releasing the detection *** validate the PRSAL using three remote sensing datasets—HRSC2016,DOTA and UCAS‐AOD as well as one scene text dataset—ICDAR *** experimental results show that the proposed method gives substantially better results than existing models.

关键词： anchor learning strategy deep learning object detection remote sensing

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