Nei Kato, Masato Suzuki, Shinichiro Omachi, Hirotomo Aso, Yoshiaki Nemoto. A Handwritten Character Recognition System Using Directional Element Feature and Asymmetric Mahalanobis Distance. IEEE Trans. Pattern Anal. Mach. Intell., 21(3):258-262, 1999. [doi]
Abstract is missing.