Reading Courtesy Amounts on Handwritten Paper Checks
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Reading Courtesy Amounts 4364-02.pdf
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Author(s)
Palacios, Rafael
Gupta, Amar
Wang, Patrick S.P.
Date Issued
June 5, 2002
Series/Report no.
MIT Sloan School of Management Working Paper;4364-02
Abstract
In spite of the rapid advances in computers and communication technologies, a number
of large-scale applications continue to rely heavily on the use of paper as the dominant
medium, either in an intra-organizational or an inter-organizational environment. One
major example of this category of paper intensive applications is the check processing
application. In a number of countries, the value of each check is read by human eyes
before the check is physically transported, in stages, from the point it was presented to
the location of the branch of the bank which issued the blank check to the concerned
account holder. This process of manual reading of each check involves significant time
and cost. In this paper, a new approach is proposed to read the numerical amount
field on the check; this field is also called the courtesy amount field. In the case of
check processing, the segmentation of unconstrained strings into individual digits is a
challenging task because one needs to accommodate special cases involving:
connected or overlapping digits, broken digits, and digits physically connected to a
piece of stroke that belongs to a neighboring digit. The system described in this paper
involves three stages: the segmentation of the string into a series of individual
characters; the normalization of each isolated character; and the recognition of each
character based on a neural network classifier.
Subjects
Check processing
Paper applications
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