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Updated: May 12, 2025

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
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Published on: April 18, 2025

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我们看到的很少:深海底的视觉覆盖率估计

Katherine L C Bell1, Kristen N Johannes1,2, Brian R C Kennedy1,3

  • 1Ocean Discovery League, Saunderstown, RI 02874, USA.

Science advances
|May 7, 2025
PubMed
概括

深海勘探非常有限,只有不到0.001%的海底被视觉观察到. 目前的深海视觉数据严重偏向少数国家,阻碍了全球对海洋的理解.

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Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
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