Semi-Automated Data Processing and Semi-Supervised Machine Learning for the Detection and Classification of Water-Column Fish Schools and Gas Seeps with a Multibeam Echosounder. - Annalisa Minelli; Anna Nora Tassetti; Briony Hutton; Gerardo N. Pezzuti Cozzolino; Toby Jarvis; Gianna Fabi (Sensors, 2021)