Apparatus and/or method for recognizing printed data in an image
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United States of America Patent
Stats
-
Oct 8, 1996
Grant Date -
N/A
app pub date -
Nov 21, 1990
filing date -
Nov 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for recognizing and locating in an image, printed data of a known spatial characteristic. A digital matched filter is used to identify the presence of the printed data via an auto correlation between the filter coefficients and the printed data. When an auto correlation is identified, approximate areas are selected and further processing is undertaken only within such areas.
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Cited Art Landscape
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