Detection and tracking of a gauze sponge in minimally invasive surgery using a YOLO and R-CNN based model. - Shuo-Lun Lai; Yung-Chien Chou; Chi-Sheng Chen; Tzu-Chia Tung; Been-Ren Lin; Ruey-Feng Chang (Medical Biol. Eng. Comput., 2026)