30 April 1987 Pattern Recognition Techniques For Finding The Address On Letters And Parcels
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Abstract
A description is given of a prototype address block finding system which is currently under development. This system is intended to support a wider application of machine vision and robotic technologies for the handling of mail. Monochrome digital images of mail are subjected to a sequence of binarization, clustering, and ranking algorithms which are designed to automatically determine the position, extent, and orientation of the destination address block. The prototype system is implemented on a LISP machine to facilitate the extension of the complexity of feature interpretation on an Expert System. Success rates for the end-to-end process were tested on 40 mail images representing a wide variety of mail characteristics.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. F. Lehar, R. Gonsalves, J. Weaver, L. Turnbaugh, "Pattern Recognition Techniques For Finding The Address On Letters And Parcels", Proc. SPIE 0755, Image Pattern Recognition: Algorithm Implementations, Techniques, and Technology, (30 April 1987); doi: 10.1117/12.940014; https://doi.org/10.1117/12.940014
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