CALCULATION DEVICE AND METHOD, AND COMPUTER PROGRAM PRODUCT
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United States of America Patent
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Issued Date -
Aug 20, 2015
app pub date -
Feb 4, 2015
filing date -
Feb 20, 2014
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Abstract
According to an embodiment, a calculation device includes an acquisition unit, an extractor, a calculator, and an output unit. The acquisition unit acquires point cloud data that is a set of points representing a shape of an object. The extractor extracts a focus point from the point cloud data. The calculator calculates a distance between the focus point and each of one or more neighboring points located in the vicinity of the focus point, calculates relation information which represents a relationship, not the distance, between the focus point and each of the one or more neighboring points, calculates a co-occurrence frequency between the distance and the relation information for the one or more neighboring points, and determines the co-occurrence frequency as a descriptor of the focus point. The output unit outputs the descriptor.
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