画像による深海近傍位置データの再構成について(NT03-14航海 : 水曜海山カルデラ) Reconstruction of Positions near the Deep Sea Bottom using Images (Caldera of Suiyo Seamount : NT03-14 cruise)

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Many diving investigations have been carried out and a lot of images, videos etc., have been obtained in the bottom of caldera of Suiyo Seamount. However, the relative positions of each dive are usually uncertain. It is probably due to low accuracy of acoustic positioning in the condition that the caldera bottom is surrounded by walls.<br>In the JAMSTEC research vessel "NATSUSHIMA" cruise NT03-14, reconstructed positions from detailed video data were compared with SSBL positions, when deep sea hydrophone array system was settled on the sea bottom by ROV "Hyper-Dolphin".<br>The following conditions are necessary to obtain a position of the sea bottom from the video record.<br>1. All images are clear and have simple structures.<br>2. The sea floor is expected to be almost flat.<br>3. No change in the direction or magnification of the camera image.<br>4. It is required for the survey line to return to the original point at least once in one trial, or to cross itself.

収録刊行物

  • 海洋調査技術  

    海洋調査技術 19(1), 1-8, 2007-03-31 

    Japan Society for Marine Surveys and Technology

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各種コード

  • NII論文ID(NAID)
    10021980823
  • NII書誌ID(NCID)
    AN10198626
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09152997
  • NDL 記事登録ID
    8799723
  • NDL 雑誌分類
    ZM44(科学技術--地球科学--海洋・陸水・火山)
  • NDL 請求記号
    Z15-630
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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