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Eighth International Workshop on Frontiers in Handwriting Recognition (IWFHR'02)
Segmentation and Recognition of Handwritten Dates
Ontario, Canada
August 06-August 08
ISBN: 0-7695-1692-0
M. Morita, Ecole de Technologie Supérieure and Centre for Pattern Recognition and Machine Intelligence
R. Sabourin, Ecole de Technologie Supérieure and Pontifícia Universidade Católica do Paraná
F. Bortolozzi, Pontifícia Universidade Católica do Paraná
C. Y. Suen, Centre for Pattern Recognition and Machine Intelligence
This paper presents an HMM-MLP hybrid system to recognize complex date images written on Brazilian bank cheques. The system first segments implicitly a date image into sub-fields through the recognition process based on an HMM-based approach. Afterwards, the three obligatory date sub-fields are processed by the system (day, month and year). A neural approach has been adopted to work with strings of digits and a Markovian strategy to recognize and verify words. We also introduce the concept of meta-classes of digits, which is used to reduce the lexicon size of the day and year and improve the precision of their segmentation and recognition. Experiments show interesting results on date recognition.
Citation:
M. Morita, R. Sabourin, F. Bortolozzi, C. Y. Suen, "Segmentation and Recognition of Handwritten Dates," iwfhr, pp.105, Eighth International Workshop on Frontiers in Handwriting Recognition (IWFHR'02), 2002
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