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- W2588893485 startingPage "946" @default.
- W2588893485 abstract "水中で上方向を観察するビデオカメラ(TULCam)を曳航しながら,大型クラゲ類の密度を簡単かつ正確に計数し,大きさを計測する方法を開発した。この TULCam は光通信ケーブルで船上のモニターとつなぐことで,リアルタイムにクラゲを計数できる。TULCam を深度約 20 m,速力約 7 ノットで曳航した時には,海面のみを観察する目視と比べると個体数面積密度で約 15 倍のエチゼンクラゲを観察できた。カメラの深度と画角を基に,クラゲの深度および傘径の計測も可能であり,求められた傘径は実測された値とほぼ等しかった。" @default.
- W2588893485 created "2017-02-24" @default.
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- W2588893485 date "2015-01-01" @default.
- W2588893485 modified "2023-09-26" @default.
- W2588893485 title "Development of a system for counting populations and measuring the size of giant jellyfish using a towed upward-looking camera" @default.
- W2588893485 doi "https://doi.org/10.2331/suisan.81.946" @default.
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