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Issue No.01 - January (1989 vol.11)
pp: 68-83
ABSTRACT
<p>Cursive script word recognition is the problem of transforming a word from the iconic form of cursive writing to its symbolic form. Several component processes of a recognition system for isolated offline cursive script words are described. A word image is transformed through a hierarchy of representation levels: points, contours, features, letters, and words. A unique feature representation is generated bottom-up from the image using statistical dependences between letters and features. Ratings for partially formed words are computed using a stack algorithm and a lexicon represented as a trie. Several novel techniques for low- and intermediate-level processing for cursive script are described, including heuristics for reference line finding, letter segmentation based on detecting local minima along the lower contour and areas with low vertical profiles, simultaneous encoding of contours and their topological relationships, extracting features, and finding shape-oriented events. Experiments demonstrating the performance of the system are also described.</p>
INDEX TERMS
character recognition; offline cursive script word recognition; character recognition; word image; feature representation; stack algorithm; lexicon; letter segmentation; local minima; character recognition; picture processing; statistical analysis
CITATION
R.M. Bozinovic, S.N. Srihari, "Off-Line Cursive Script Word Recognition", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.11, no. 1, pp. 68-83, January 1989, doi:10.1109/34.23114
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