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Proceedings Paper

Character string detection algorithm using horizontal boundaries, and its application to a part number entry system
Author(s): Tomio Amano; Akio Yamashita; Hiroyasu Takahashi
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Paper Abstract

This paper proposes a new algorithm for detecting character strings in an image containing illustrations and characters. It also describes a part number entry system that utilizes this algorithm. The algorithm detects character strings by investigating the horizontal boundaries of rectangles representing characters strings. It can be performed a high speed, and can detect characters touching an illustration. Using this algorithm, the part number entry system extracts areas of part numbers scattered among illustrations and then recognizes the. This is a software program implemented on a personal computer, and is composed of four subprograms: detection of character strings, character recognition, post-processing, and flexible user-interface for error correction.

Paper Details

Date Published: 1 June 1991
PDF: 10 pages
Proc. SPIE 1452, Image Processing Algorithms and Techniques II, (1 June 1991); doi: 10.1117/12.45393
Show Author Affiliations
Tomio Amano, IBM Japan Ltd. (Japan)
Akio Yamashita, IBM Japan Ltd. (Japan)
Hiroyasu Takahashi, IBM Japan Ltd. (Japan)


Published in SPIE Proceedings Vol. 1452:
Image Processing Algorithms and Techniques II
Mehmet Reha Civanlar; Sanjit K. Mitra; Robert J. Moorhead, Editor(s)

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