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Technology of Graphic & Image
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App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 9
2866-2870

Remote sensing target accurate detection algorithm based on rotation center point estimation

Jiang Guangfeng
Hu Pengcheng
Ye Hua
Yang Yanlan
School of Automation, Southeast University, Nanjing 210096, China
DOI: 10.19734/j.issn.1001-3695.2020.10.0424

Abstract

Due to the complex background of remote sensing images, the dense distribution of targets, and the huge differences in target size and shape, it brings challenges to detection. The current two-stage algorithm based on R-CNN works well in horizontal box(HBB) detection, but its effect in directional box(OBB) detection is limited. Based on the HBB target detection framework of point estimation, this paper proposed a rotation center point estimation network(RCNet) for directional remote sensing target detection, which greatly improved the performance of the one-stage anchor-free algorithm on tilted target detection while maintaining a high detection speed. RCNet realized the estimation of the center of rotation by adding a branch for direction prediction. It proposed a new angle representation method to solve the problem of instability in the training process caused by the discontinuous loss of the angle parameter regression and the exchange of width and height. The proposed method achieves a detection accuracy of 66.68 mAP and a detection speed of 29.4 fps on the DOTA data set, achieving the best speed and accuracy balance.

Foundation Support

中央高校基本科研业务费专项资金项目(2242020K40244)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2020.10.0424
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 9
Section: Technology of Graphic & Image
Pages: 2866-2870
Serial Number: 1001-3695(2021)09-057-2866-05

Publish History

[2021-09-05] Printed Article

Cite This Article

蒋光峰, 胡鹏程, 叶桦, 等. 基于旋转中心点估计的遥感目标精确检测算法 [J]. 计算机应用研究, 2021, 38 (9): 2866-2870. (Jiang Guangfeng, Hu Pengcheng, Ye Hua, et al. Remote sensing target accurate detection algorithm based on rotation center point estimation [J]. Application Research of Computers, 2021, 38 (9): 2866-2870. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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