HANDWRITTEN DIGIT RECOGNITION APPARATUS AND METHOD

摘要

computer system and method for performing a mail sorting operation in which the computer system determines the location of the zip code located in a digital image of an address block (20) from a mail envelope.a distance between the features is calculated for the image and the characteristics of the image are thinned (38) to increase the vertical separation between the lines of the address block. a centre line is determined for each line and the latter are superimposed on the digital image.a diffusion operation is clear plaque on digital image on the basis of the median line in which are recorded in the form of punctuation bits of data which are not related to the centerline, and the traits of the lines are divided into two lines.it then chooses the last line, which is determined to be large enough to contain a zip code as a function of the size of the box. other cuts of words are formed and the best cut is set (50), in which the last group is identified as the postal code.