Interactive Z-line segmentation tool for Upper Gastrointestinal Endoscopy Images using Binary Partition Tree and U-net. - Xuan Huy Manh; Hai Vu; Xuan Dung Nguyen; Linh Hoang Pham Tu; Viet Hang Dao; Phuc Binh Nguyen; Manh Hung Nguyen (RIVF, 2021)