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The advantage of using an HMM-based approach for faxed word recognition

Elms, AJ, Procter, S and Illingworth, J (1998) The advantage of using an HMM-based approach for faxed word recognition International Journal on Document Analysis and Recognition, 1 (1). pp. 18-36.

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Abstract

A method for word recognition based on the use of hidden Markov models (HMMs) is described. An evaluation of its performance is presented using a test set of real printed documents that have been subjected to severe photocopy and fax transmission distortions. A comparison with a commercial OCR package highlights the inherent advantages of a segmentation-free recognition strategy when the word images are severely distorted, as well as the importance of using contextual knowledge. The HMM method makes only one quarter of the number of word errors made by the commercial package when tested on word images taken from faxed pages. © 1998 Springer-Verlag Berlin Heidelberg.

Item Type: Article
Authors :
NameEmailORCID
Elms, AJUNSPECIFIEDUNSPECIFIED
Procter, SUNSPECIFIEDUNSPECIFIED
Illingworth, Jj.illingworth@surrey.ac.ukUNSPECIFIED
Date : 1 December 1998
Identification Number : https://doi.org/10.1007/s100320050003
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:09
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838164

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