Title:
An image retrieval device, a method, and a program
Document Type and Number:
Japanese Patent JP6062981
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an image search apparatus capable of searching an image precisely representing an instance.SOLUTION: A precision calculation section 30 calculates a first image precision based on a collation result with a first feature vector of a feature point in an interest area; calculates a second image precision based on a collation result of a second feature vector of a feature point other than the interest area with respect to each of upper K images in the first image precision; and calculates a weighted linear sum of the first image precision and the second image precision as a ranking score.SELECTED DRAWING: Figure 1
Inventors:
Murata Shinya
Hidenao Nagano
Kaoru Hiramatsu
Takahito Kawanishi
Kunio Kashiwano
Hidenao Nagano
Kaoru Hiramatsu
Takahito Kawanishi
Kunio Kashiwano
Application Number:
JP2015039480A
Publication Date:
January 18, 2017
Filing Date:
February 27, 2015
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G06F17/30
Other References:
村田眞哉、外3名,Exponential BM25によるインスタンスサーチ,電子情報通信学会技術研究報告,一般社団法人電子情報通信学会,2014年 1月16日,Vol.113,No.402,pp.189~194(PRMU2013-111)
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office