System and method for detecting text in real-world color images
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United States of America Patent
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Oct 19, 2010
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app pub date -
Sep 5, 2006
filing date -
Sep 2, 2005
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Abstract
A method and apparatus for detecting text in real-world images comprises calculating a cascade of classifiers, the cascade comprising a plurality of stages, each stage including one or more weak classifiers, the plurality of stages organized to start out with classifiers that are most useful for ruling out non-text regions, and removing regions classified as non-text regions from the cascade prior to completion of the cascade, to further speed up processing.
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