Inspec keywords: image classification; discrete wavelet transforms; geographic information systems; unsupervised learning; bathymetry; principal component analysis; image scanners; seafloor phenomena; backpropagation; image texture; sonar imaging

Other keywords: sidescan amplitude; sediments classification; 2-D discrete wavelet transform; training dataset; bathymetric imagery; textural feature; sidescan sonar analysis; principal component analysis; image processing; feature selection algorithm; unsupervised approach; underwater seabed classification; image plot; clustering technique; seafloor variability feature; GIS position; bathymetric data; training data; supervised approach; backpropagation elimination algorithm; Automatic seabed classification; grab sample

Subjects: Computer vision and image processing techniques; Integral transforms in numerical analysis; Image recognition; Geography and cartography computing; Integral transforms in numerical analysis; Other topics in statistics; Other topics in statistics; Image recognition; Pattern recognition and computer vision equipment; Learning in AI (theory)