WEI, Jingxiao. AI Visual Recognition Technology in Action Difficulty Grading and Referee Assistant System for Freestyle Roller Skating. Pinnacle Academic Press Proceedings Series, [S. l.], v. 11, p. 132–139, 2026. DOI: 10.71222/pgqvkq58. Disponível em: https://pinnaclepubs.com/index.php/PAPPS/article/view/813. Acesso em: 26 jul. 2026.