... divided into sub-regionswith sizes 16X16 to preserve directions of the image. Then characteristic vectors for horizontaldirection, vertical direction, right-diagonal direction, and left-diagonal ... thu%t gi<iidi truyen dg lien klh cacmang no -ron ca the'. H~ thOng xay du-ngtir ky thu%tnay dtro'c trng dung de' gidi quyet bai toan nhan dangki tV"viet tay. Cac ket qua ... contrasting by using splitting and dividingpoint, exploiting the statistics of intersected points and method of structural recognition, etc Generally, the above traditional techniques couldn't...