3D Object Recognition Based on Point Clouds in Underwater Environment with Global Descriptors: A Survey.

Sensors (Basel) · 2019 · PMC6832377 · PMID 31615081

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a clear trendno p-value reported

The behaviour for the rest of descriptors is more arbitrary not showing a clear trend.

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may be significantno p-value reported

The latter may be significant, since the scanner works by steering a laser beam (which takes time to scan the scene) and assumes the sensor is static during the process (which is never the case since the robot is floating).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.