Department of Mechanical Engineering, Faculty of Science and Engineering, Hosei Universitty, Tokyo, Japan;
Nihon Kohden Corporation, Tokyo, Japan;
Gastroenterological Surgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan;
Automatic; Identification; of; Surgical; Procedure; Distinction; of; Abnormal; Manipulation; in; Surgical; Procedure; Abnormality; Warning; System; Surface; Electromyogram; (SEMG); Self-Organizing; Map; (SOM);