13. The method of claim 12 , further comprising: generating the width PDF based on at least one of an author related attribute of the character shape, a character from which the extracted Kashida originates, or a character to which the extracted Kashida connects.
12. The method of claim 11 , further comprising: generating a width probability density function (PDF) for each of the width, UCD and LCD of the extracted Kashida, wherein the width PDF is generated based on one or more selected square bins having a width of 8-pixel; and discarding extracted Kashida having a width of less than 6-pixels.