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Optical Engineering

Recognition of raised characters for automatic classification of rubber tires
Author(s): Young Kug Ham; Min Seok Kang; Hong Kyu Chung; Rae-Hong Park; Gwi Tae Park
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Paper Abstract

The recognition of raised alphanumeric markings on rubber tires for their automatic classification is presented. Raised alphanumeric markings on rubber tires show different characteristics from those of printed characters. In the preprocessing step of the proposed method, we first determine the slope of an arc, along which alphanumerics are marked, using the Hough transform, and align them horizontally. Then we separate each character using vertical and horizontal projections. In the recognition step, to recognize characters hierarchically we use several effective features, such as width of a character, number of cross points, partial projections, and distance features. Computer simulation results show that the proposed system can be successfully applied to automatic classification of rubber tires.

Paper Details

Date Published: 1 January 1995
PDF: 8 pages
Opt. Eng. 34(1) doi: 10.1117/12.184094
Published in: Optical Engineering Volume 34, Issue 1
Show Author Affiliations
Young Kug Ham, Sogang Univ. (South Korea)
Min Seok Kang, Sogang Univ. (South Korea)
Hong Kyu Chung, Sogang Univ. (South Korea)
Rae-Hong Park, Sogang Univ. (South Korea)
Gwi Tae Park, Sogang Univ. (South Korea)


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