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Matching Apparatus, Image Search System, and Histogram Approximate Restoring Unit, and Matching Method, Image Search Method, and Histogram Approximate Restoring Method
Matching Apparatus, Image Search System, and Histogram Approximate Restoring Unit, and Matching Method, Image Search Method, and Histogram Approximate Restoring Method
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机译：匹配设备，图像搜索系统和直方图近似恢复单元，以及匹配方法，图像搜索方法和直方图近似恢复方法
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摘要
To provide a matching technology for determining the similarity between two objects at high velocity with high precision.;A matching method for comparing a set of feature points of two objects projected to an N-dimensional space and determining the similarity between the two objects, includes a mapping step (S3) of mapping the set to a one-dimensional space, a pairing step (S6) of creating a set of pairs of a feature point of first object that is the most approximate to a feature point of second object, a partial-set creating step (S7) of partly extracting the pairs in small order of the pair distance from the set of the pairs of the feature points and creating a partial set of the pairs of the feature points, an average-value calculating step (S8) of calculating a rating-scale of the pair belonging to the partial set of the pair of the feature points, and a determining step (S10) of determining the similarity between the first object and the second object on the basis of an average value of the distance.
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