Shape clustering in post optical character recognition processing
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United States of America Patent
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Feb 7, 2012
Grant Date -
Sep 16, 2010
app pub date -
May 20, 2010
filing date -
Sep 8, 2006
priority date (Note) -
Expired
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Abstract
Systems, methods and computer program products for shape clustering and applications in processing various documents, including an output of an optical character recognition (OCR) process. Clip images defined in a received OCR output are classified into a plurality of clusters of clip images. Clip images in each of the plurality of clusters are processed to generate a cluster image for each cluster. Shape differences between the cluster images of a first cluster and a second cluster and between the cluster images of the first cluster and a third cluster are used to determine a level of confidence in one or more first OCR character codes assigned to the first cluster.
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