Retail Store Customer Behavior Analysis System: Design and Implementation. - Tuan Dinh Nguyen; Keisuke Hihara; Tung Cao Hoang; Yumeka Utada; Akihiko Torii; Naoki Izumi; Nguyen Thanh Thuy; Du Tien Pham; Long Quoc Tran (AIAI (4), 2024)