Text image deblurring by high-probability word selection
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United States of America Patent
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Aug 28, 2001
Grant Date -
N/A
app pub date -
Aug 31, 1995
filing date -
Aug 31, 1995
priority date (Note) -
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Abstract
A system is presented for reconstructing blurred text on a word-by-word basis. The text is scanned and compared with a priori data concerning characteristics of the text, including zone characteristics of each letter of the alphabet. Comparisons are made between the line spacing of an image undergoing test and standard spacing. Such tests can also determine whether the image undergoing test was recorded while maintaining a tilted position. The blurred text is reconstructed on a word-by-word basis and may be displayed on a monitor. If the image undergoing test was photographed at an excessive focal length, the system is capable of detecting this and aborting analysis.
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