A Novel Two-Stages Information Extraction Algorithm for Vietnamese Book Cover Images. - Tham Nguyen Thi; Kieu-Hoa Vo; Minh-Tam Nguyen; Truong-Thinh Nguyen; Gia-Phu P. Tran; Chi-Thanh Dang; Co-Thai Quach; Trong-Hop Do (IDC, 2022)