Detecting Moving Objects in Photometric Images Using 3D Hough Transform

IF 3.3 3区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS Publications of the Astronomical Society of the Pacific Pub Date : 2024-05-27 DOI:10.1088/1538-3873/ad481f
Bo Zhang, ShaoMing Hu, Junju Du, Xu Yang, Xu Chen, Hai Jiang, Hai Cao and Shuai Feng
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Abstract

In response to the exponential growth of space debris, an increasing number of observation devices are being used for the observation of moving objects, such as space debris and asteroids, which require further improvements in data-processing capabilities for the detection of moving objects. In this study, we propose a rapid detection algorithm designed for detecting moving objects, leveraging the power of the 3D Hough transform. By the simulated image experiments, our results show that the detection rate increases with the number of continuous images when fully extracting objects. Based on this foundation, the object detection rate is at least 87% regardless of the object number in the image sequence when detecting objects from at least six continuous images. In the observed image experiments, we used source-extractor to extract sources. The results show the method can successfully detect objects with signal-to-noise ratio higher than three from sidereal tracking images and can identify asteroids from asteroid tracking images while maintaining a detection speed that meets the requirements for real-time processing.
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利用 3D Hough 变换检测光度图像中的移动物体
为应对空间碎片的指数级增长,越来越多的观测设备被用于观测空间碎片和小行星等移动物体,这就需要进一步提高数据处理能力,以探测移动物体。在本研究中,我们利用三维 Hough 变换的强大功能,提出了一种专为检测移动物体而设计的快速检测算法。通过模拟图像实验,我们的结果表明,在完全提取物体时,检测率会随着连续图像数量的增加而提高。在此基础上,当从至少六幅连续图像中检测物体时,无论图像序列中的物体数量如何,物体检测率至少为 87%。在观测图像实验中,我们使用源提取器来提取源。结果表明,该方法能成功地从恒星跟踪图像中检测出信噪比大于 3 的天体,并能从小行星跟踪图像中识别出小行星,同时保持符合实时处理要求的检测速度。
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来源期刊
Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific 地学天文-天文与天体物理
CiteScore
6.70
自引率
5.70%
发文量
103
审稿时长
4-8 weeks
期刊介绍: The Publications of the Astronomical Society of the Pacific (PASP), the technical journal of the Astronomical Society of the Pacific (ASP), has been published regularly since 1889, and is an integral part of the ASP''s mission to advance the science of astronomy and disseminate astronomical information. The journal provides an outlet for astronomical results of a scientific nature and serves to keep readers in touch with current astronomical research. It contains refereed research and instrumentation articles, invited and contributed reviews, tutorials, and dissertation summaries.
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