Self-correction recognition method and device for valuable document recognition device
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United States of America Patent
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Oct 22, 2019
Grant Date -
Apr 19, 2018
app pub date -
Mar 30, 2016
filing date -
Apr 23, 2015
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Abstract
A self-correction recognition method and device for a valuable document recognition device is provided. The method includes: extracting a feature of a valuable document; determining whether the feature falls in a discriminant library of any preset category, and obtaining a substitutive centroid according to a feature centroid and the feature in a case that the feature falls in a discriminant library of any preset category; and updating the discriminant library of the category by replacing the feature centroid of the category with the substitutive centroid. The discriminant library is pre-constructed according to the feature centroid of the category, and the feature centroid is calculated from a feature of the category.
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