Robust and efficient blood loss estimation using color features and gradient boosting trees. - Tanaanan Chalermpan; Duangrat Gansawat; Kantip Kiratiratanapruk; Sanparith Marukatat; Natatikarn Jareonrattanadaechakul; Wannipa Nusupa; Urai Boonta; Wariya Sukhupragarn; Tanyong Pipanmekaporn; Sirianong Namwongprom; Visit Siripuwanan; Sarach Tuomchomtam (Discov. Artif. Intell., 2025)