Invention Grant
US08892542B2 Contextual weighting and efficient re-ranking for vocabulary tree based image retrieval
有权
基于词汇树的图像检索的语境权重和有效的重新排序
- Patent Title: Contextual weighting and efficient re-ranking for vocabulary tree based image retrieval
- Patent Title (中): 基于词汇树的图像检索的语境权重和有效的重新排序
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Application No.: US13339227Application Date: 2011-12-28
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Publication No.: US08892542B2Publication Date: 2014-11-18
- Inventor: Xiaoyu Wang , Ming Yang , Timothee Cour , Shenghuo Zhu , Kai Yu
- Applicant: Xiaoyu Wang , Ming Yang , Timothee Cour , Shenghuo Zhu , Kai Yu
- Applicant Address: US NJ Princeton
- Assignee: NEC Laboratories America, Inc.
- Current Assignee: NEC Laboratories America, Inc.
- Current Assignee Address: US NJ Princeton
- Agent Joseph Kolodka
- Main IPC: G06F17/30
- IPC: G06F17/30 ; G06F7/00
Abstract:
Systems and methods are disclosed to search for a query image, by detecting local invariant features and local descriptors; retrieving best matching images by quantizing the local descriptors with a vocabulary tree; and reordering retrieved images with results from the vocabulary tree quantization.
Public/Granted literature
- US20120221572A1 CONTEXTUAL WEIGHTING AND EFFICIENT RE-RANKING FOR VOCABULARY TREE BASED IMAGE RETRIEVAL Public/Granted day:2012-08-30
Information query
