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Patent Searching and Data


Title:
MATCHING PICTURE SEARCH METHOD, PICTURE SEARCH METHOD AND APPARATUSES
Document Type and Number:
WIPO Patent Application WO/2015/196964
Kind Code:
A1
Abstract:
The present invention provides a matching picture search method, a picture search method and apparatuses, and provides a picture matching method, a search method and apparatuses. The matching picture search method comprises: extracting local characteristics of a to-be-queried picture input by a user; matching local characteristics of pictures in a picture database with the local characteristics of the to-be-queried picture, and determining matching proportions of the pictures in the database to the local characteristics of the to-be-queried picture; placing pictures having matching proportions greater than or equal to a first proportion threshold in the database into a picture matching result; and for pictures having matching proportions less than the first proportion threshold and greater than a second proportion threshold in the database, calculating hamming distances between perception hash values of the pictures and a perception hash value of the to-be-queried picture, and placing pictures having hamming distances smaller than a set first distance threshold into the picture matching result, the first proportion threshold being greater than the second proportion threshold.

Inventors:
QIU XUEKAN (CN)
HU JINHUI (CN)
HAN YUGANG (CN)
Application Number:
PCT/CN2015/082070
Publication Date:
December 30, 2015
Filing Date:
June 23, 2015
Export Citation:
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Assignee:
BEIJING QIHOO TECH CO LTD (CN)
QIZHI SOFTWARE BEIJING CO LTD (CN)
International Classes:
G06F17/30
Domestic Patent References:
WO2013115202A12013-08-08
Foreign References:
CN104036009A2014-09-10
CN104036281A2014-09-10
CN102508910A2012-06-20
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
北京智汇东方知识产权代理事务所(普通合伙) (CN)
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