A Heuristic Trajectory Decision Method to Enhance the Tracking Performance of Multiple Honeybees on a Flat Laboratory Arena
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- Kimura Toshifumi
- School of Human Science and Environment, University of Hyogo
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- Ohashi Mizue
- School of Human Science and Environment, University of Hyogo
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- Crailsheim Karl
- Institute of Biology, Karl-Franzens University Graz
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- Schmickl Thomas
- Institute of Biology, Karl-Franzens University Graz
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- Okada Ryuichi
- School of Human Science and Environment, University of Hyogo
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- Radspieler Gerald
- Institute of Biology, Karl-Franzens University Graz
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- Isokawa Teijiro
- Graduate School of Engineering, University of Hyogo
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- Ikeno Hidetoshi
- School of Human Science and Environment, University of Hyogo
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<p>In recent ethological studies, the behaviors and interactions of animals have been recorded by digital video cameras and webcams, which provide high functionality at reasonable cost. However, extracting the behavioral data from these videos is a laborious and time-consuming manual task. We recently proposed a novel method for tracking unmarked multiple honeybees in a flat arena, and developed a prototype software named “K-Track”. The K-Track algorithm successfully resolved nearly 90% of cases involving overlapped or interacted insects, but failed when such events happened near an edge of a circular arena, which is commonly employed in experiments. In the present study, we improved our K-Track algorithm by comparing the interaction trajectories obtained from forward and backward playing of video episodes. If the tracking results differed between the forward and backward episodes, the trajectory with lower maximum moving distance per frame is chosen. Based on this concept, we developed a new software, “K-Track-kai”, and compared the performances of K-Track and K-Track-kai in honeybee tracking experiments. In the cases of 6 and 16 honeybees, K-Track-kai improved the tracking accuracy from 91.7% to 96.4% and from 94.4% to 96.7%, respectively.</p>
収録刊行物
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- システム制御情報学会論文誌
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システム制御情報学会論文誌 32 (3), 113-122, 2019-03-15
一般社団法人 システム制御情報学会
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詳細情報 詳細情報について
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- CRID
- 1390845713076657152
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- NII論文ID
- 130007663759
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- NII書誌ID
- AN1013280X
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- ISSN
- 2185811X
- 13425668
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- NDL書誌ID
- 029567564
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- KAKEN
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