AUTHOR=Sun Jiahua , Li Jiawen , Li Ronghui , Wu Langtao , Cao Liang , Sun Molin TITLE=Addressing unfamiliar ship type recognition in real-scenario vessel monitoring: a multi-angle metric networks framework JOURNAL=Frontiers in Marine Science VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2024.1516586 DOI=10.3389/fmars.2024.1516586 ISSN=2296-7745