A bottom-up and top-down approach to usi
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Radian Shinghal; Godfried T. Toussaint
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Article
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1979
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Elsevier Science
⚖ 570 KB
Existing approaches to using contextual information in text recognition tend to fall into two categories: dictionary look-up methods and Markov methods. Markov methods use transition probabilities between letters and represent a bottom-up approach to using context which is characterized by being ver