EfficientEndoSeg: A Lightweight YOLOv5-Based Framework for Endoscopic Surgical Instrument Segmentation and Skill-Related Motion Analysis. - Thai Dinh Kim; Quang-Anh Nguyen-Duc; Minh-Duc Pham; Duy-Tung Doan; Manh-Hung Nguyen; Hai Xuan Le; Thanh Ngoc Pham (IEEE Access, 2026)