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Inspec keywords: oceanographic techniques; image resolution; sonar imaging; geophysical signal processing; ultrasonic transducers; image representation; bathymetry; image reconstruction
Subjects: Sonar and acoustic radar; Bathymetry and seafloor topography; Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research; Optical, image and video signal processing; Data and information; acquisition, processing, storage and dissemination in geophysics; Oceanographic and hydrological techniques and equipment