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Patent Searching and Data


Title:
IMAGE COLLATION DEVICE, IMAGE COLLATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/006852
Kind Code:
A1
Abstract:
The image collation device includes: a tentative matching point extraction part for extracting multiple tentative matching points, that is, pairs of matching feature points between a pair of input images; and a spatial verification part for evaluating the degree of similarity between the pair of input images on the basis of all limiting conditions pertaining to the consistency of the enlargement/reduction rate, the rotation angle, and the relative positions, which are determined based on the comparison of, or based on the difference between, geometric transform parameters of the tentative matching points with respect to each of the tentative matching point pairs, that is, combinations of the tentative matching points extracted by the tentative matching point extraction part.

Inventors:
WU XIAOMENG (JP)
KASHINO KUNIO (JP)
Application Number:
PCT/JP2016/069609
Publication Date:
January 12, 2017
Filing Date:
July 01, 2016
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06T7/00; G06V10/771
Foreign References:
JP2004326693A2004-11-18
JP2015114819A2015-06-22
Other References:
See also references of EP 3301641A4
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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