2005
DOI: 10.1093/pasj/57.2.399
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Automatic Detection Algorithm for Small Moving Objects

Abstract: We have devised an automatic detection algorithm for unresolved moving objects, such as asteroids and comets. The algorithm uses many CCD images in order to detect very dark moving objects that are invisible on a single CCD image. We carried out a trial observation to investigate its usefulness, using a 35-cm telescope. By using the algorithm, we succeeded to detect asteroids down to about 21 mag. This algorithm will contribute significantly to searches for near-Earth objects and to solar-system astronomy.

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Cited by 43 publications
(14 citation statements)
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“…Some image-processing algorithms and FPGA boards to detect faint GEO objects, invisible on a single CCD frame, have already been developed 13,14) and will be applied to numerous LEO observation data taken by CMOS cameras. By combining these improvements, it will be possible to detect uncatalogued LEO objects of less than 10 cm in size in the future.…”
Section: Discussionmentioning
confidence: 99%
“…Some image-processing algorithms and FPGA boards to detect faint GEO objects, invisible on a single CCD frame, have already been developed 13,14) and will be applied to numerous LEO observation data taken by CMOS cameras. By combining these improvements, it will be possible to detect uncatalogued LEO objects of less than 10 cm in size in the future.…”
Section: Discussionmentioning
confidence: 99%
“…Details of the stacking method are shown in other papers. [9][10][11] The only weakness of the stacking method is the time required to detect an unseen object whose movement is not known, because a range of likely paths must be assumed and checked. For example, the analysis time for 65,536 processing iterations of 32 1,024×1,024-pixel frames, which are intended to detect objects moving within a 256×256-pixel area, is about 280 hours using a normal desktop computer, which is not really practical.…”
Section: Fpga Based Analysis Systemmentioning
confidence: 99%
“…We have been developing this method, investigating its effectiveness and trying to utilize it for actual GEO debris observation since 2000 [5][6][7] . In the field of astronomy, a similar "Shift-and-Add" technique developed by Yamamoto et al 8) have been used to detect unknown trans-Neptune objects since late 1990s.…”
Section: Principlementioning
confidence: 99%