Abdominal Tumor Characterization and Recognition Using Superior-Order Cooccurrence Matrices, Based on Ultrasound Images. - Delia Alexandrina Mitrea; Paulina Mitrea; Sergiu Nedevschi; Radu Badea; Monica Lupsor; Mihai Adrian Socaciu; Adela Golea; Claudia Hagiu; Lidia Ciobanu (Comput. Math. Methods Medicine, 2012)