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Patent Searching and Data


Title:
IMAGE COMPARISON DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/207642
Kind Code:
A1
Abstract:
This image comparison device is provided with a weight determination means and a comparison means. The weight determination means determines weights that relate to frequencies and that are used when comparing a first image and a third image, on the basis of synthesized frequency characteristics obtained by synthesizing the frequency characteristics of the first image and the frequency characteristics of a second image, and on the basis of ideal synthesized frequency characteristics obtained by synthesizing the frequency characteristics of the first image and the frequency characteristics of the second image. The comparison means compares the first image and the third image on the basis of the determined weights.

Inventors:
TAKAHASHI, Toru (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
ISHIYAMA, Rui (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2018/016597
Publication Date:
October 31, 2019
Filing Date:
April 24, 2018
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
G06T7/00
Foreign References:
JP2011159156A2011-08-18
JP2005316758A2005-11-10
JP2015021824A2015-02-02
Attorney, Agent or Firm:
BABA, Motohiro et al. (2nd Floor, Ishii Bldg. 25-1, Sugawara-machi, Kawagoe-sh, Saitama 46, 〒3500046, JP)
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