Recognition device, method, and computer program product
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jun 26, 2014
app pub date -
Dec 18, 2013
filing date -
Dec 20, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A recognition device includes a storage unit, an acquiring unit, a first calculator, a second calculator, a determining unit, and an output unit. The storage unit stores multiple training patterns each belonging to any one of multiple categories. The acquiring unit acquires a recognition target pattern to be recognized. The first calculator calculates, for each of the categories, a distance histogram representing distribution of the number of training patterns belonging to the category with respect to distances between the recognition target pattern and the training patterns belonging to the category. The second calculator analyzes the distance histogram of each of the categories to calculate confidence of the category. The determining unit determines a category of the recognition target pattern from the multiple categories by using the confidences. The output unit outputs the category of the recognition target pattern.
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