A NOVEL VISUAL MEASUREMENT METHOD FOR THREE-DIMENSIONAL TRAJECTORY OF UNDERWATER MOVING OBJECTS BASED ON DEEP LEARNING

A Novel Visual Measurement Method for Three-Dimensional Trajectory of Underwater Moving Objects Based on Deep Learning

For deep sea equipment suspension installation used in marine engineering, the multi-camera video motion analysis method is used to calculate the three-dimensional underwater trajectory of the underwater engineering structure.Considering difficulty in underwater modeling caused by the problems of light scattering and refraction under water, the cam

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Percutaneous tricuspid valve replacement in childhood

Percutaneous replacement of the tricuspid valve with a bovine jugular venous valve (melody valve) was successfully undertaken in a 9-year-old c7 corvette hood liner boy.The patient had a previous history of bacterial endocarditis of the native tricuspid valve in infancy.Initially, a pericardial patch valve was created, followed by surgical replacem

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