Determination of Coral Distribution Using Multispectral Images from an Unmanned Aerial Vehicle in Bach Long Vy Island, Vietnam - Thao, Nguyen Van; Hung, Vu Manh; Ve, Nguyen Dac; Nhon, Dang Hoai; Tuong, Bui Manh; Lan, Tran Dinh; Gouramanis, Chris (Sustainable Marine Structures, 2026)