Improving in a Method of Correcting the Slant Handwritten Numerals

摘要

the former method adopted the ratio of the height and the width of bitmap to correct the handwriting numerals. But this method has a problem in the situation of the height and width of bitmap is almost similar. So this method employs the method of compared the area of the bitmap to the changed. When the characters change the angle, the area of bitmap will change at same times. Once the area is the smallest, this angle is a better position wanted.