Page 428 - The ROV Manual - A User Guide for Remotely Operated Vehicles 2nd edition
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(a)
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15.4 New and emerging technologies 421
FIGURE 15.34
(c)
(b) Floating dock
Underwater wall
Target
Distance from transducer
(a) Graphic illustration of two targets (one on surface and one on bottom) displaying colocation, (b) as depicted on the sonar display and (c) as imaged compared to signal strength.
15.4.2 Image rendering
Rendering of both 2D and 3D images from acoustic capture is done one of two ways:
1. With 2D data rendering, a bottom scene of a small physical area is scanned and imaged from several locations within the scene. Then each scan is laid on a digital raster illustration package
Echo strength
