Feature calculation device, feature calculation method, and computer program product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 9, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 17, 2013
filing date -
Dec 27, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
According to an embodiment, a feature calculation device includes an obtaining unit, a first calculator, and a second calculator. The obtaining unit is configured to obtain a point sequence group comprising a set of point sequences in which a sequence of a plurality of points is fixed. The first calculator is configured to, for each of the point sequences in the point sequence group, calculate a plurality of values related to a curvature of a shape of the point sequence, with a reference point of the point sequence as a reference, and calculate feature quantities based on the plurality of calculated values. The second calculator is configured to calculate a histogram representing a distribution of the feature quantities of each of the point sequences.
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