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Paper Abstract and Keywords
Presentation 2014-03-14 11:45
Image Retrieval Based on Group Photo Database Organization
Yujiro Nakai, Naoko Nitta, Noboru Babaguchi (Osaka Univ.) PRMU2013-200
Abstract (in Japanese) (See Japanese page) 
(in English) Socially related people such as family or friends often take their photos together.
This paper proposes an efficient and accurate method for retrieving images containing
a specific person by organizing a database of such group photos. As a family consists of the parents and their children, people groups have a hierarchical structure.
Thus, the proposed method firstly clusters the images capturing the same group of people by using the Bag of People (BoP) features which represent the co-occurrence of faces in the same images, and then connects the clusters if the group of people in the images in one cluster is a subset of the group of people in the images in the other cluster. Given a query image, the proposed method performs the coarse-to-fine search by skipping the search from the clusters which are unlikely to contain the persons in the query image in order to improve the efficiency.
Further, a classifier is learned by the relevance feedback to the search results to improve the search accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) image retrieval / database organization / hierarchical structure / co-occurrence relations / relevance feedback / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 493, PRMU2013-200, pp. 191-196, March 2014.
Paper # PRMU2013-200 
Date of Issue 2014-03-06 (PRMU) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF PRMU2013-200

Conference Information
Committee PRMU  
Conference Date 2014-03-13 - 2014-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2014-03-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Retrieval Based on Group Photo Database Organization 
Sub Title (in English)  
Keyword(1) image retrieval  
Keyword(2) database organization  
Keyword(3) hierarchical structure  
Keyword(4) co-occurrence relations  
Keyword(5) relevance feedback  
1st Author's Name Yujiro Nakai  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Naoko Nitta  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Noboru Babaguchi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2014-03-14 11:45:00 
Presentation Time 30 
Registration for PRMU 
Paper # IEICE-PRMU2013-200 
Volume (vol) IEICE-113 
Number (no) no.493 
Page pp.191-196 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2014-03-06 

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