Use of correlation histograms for improved glyph decoding
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United States of America Patent
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Mar 30, 2004
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N/A
app pub date -
Dec 17, 1999
filing date -
Dec 17, 1999
priority date (Note) -
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Abstract
A method of decoding a plurality of glyphs comprising the steps of scanning a group of glyphs to form image data for expected glyph locations, assigning for each location a first value indicative of the likelihood that location contains a glyph in a first state, assigning for each location a second value indicative of the likelihood that location contains a glyph in a second state, determining the difference between the first and second values for each potential glyph location, establishing a distribution analysis of the determined differences and using that distribution analysis at least in part to control decoding of the plurality of glyphs.
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