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Issue No.12 - December (1999 vol.21)
pp: 1344-1356
ABSTRACT
<p><b>Abstract</b>—In this paper, we describe a system for rapid verification of unconstrained off-line handwritten phrases using perceptual holistic features of the handwritten phrase image. The system is used to verify handwritten street names automatically extracted from live U.S. mail against recognition results of analytical classifiers. Presented with a binary image of a street name and an ASCII street name, holistic features (reference lines, large gaps and local contour extrema) of the street name hypothesis are “predicted” from the expected features of the constituent characters using heuristic rules. A dynamic programming algorithm is used to match the predicted features with the extracted image features. Classes of holistic features are matched sequentially in increasing order of cost, allowing an ACCEPT/REJECT decision to be arrived at in a time-efficient manner. The system rejects errors with 98 percent accuracy at the 30 percent accept level, while consuming approximately 20/msec per image on the average on a 150 MHz SPARC 10.</p>
INDEX TERMS
Word verification, holistic approaches, word shape matching, handwritten word recognition, address interpretation.
CITATION
Sriganesh Madhvanath, Evelyn Kleinberg, Venu Govindaraju, "Holistic Verification of Handwritten Phrases", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.21, no. 12, pp. 1344-1356, December 1999, doi:10.1109/34.817412
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