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Title:
igapsearch: using phone cameras to search around the world
Author: Wang Jiemin ; He Yuanhai ; Zhou Yujie ; Qiao Yu
Source: 2011 IEEE International Conference on Information and Automation, ICIA 2011
Conference Name: 2011 International Conference on Information and Automation, ICIA 2011
Conference Date: June 6, 2011 - June 8, 2011
Issued Date: 2011
Conference Place: Shenzhen, China
Keyword: Cameras ; Safety devices ; Telephone sets ; Telephone systems
Indexed Type: EI
ISBN: 9781457702686
Department: (1) Shenzhen Institutes of Advanced Technology Chinese Academy of Science Shenzhen 518055 China; (2) Chinese University of Hong Kong Hong Kong Hong Kong; (3) Software Institute Nanjing University Nanjing Jiangsu Province China
Abstract: This paper proposes and implement an iGAPSearch System (GPS Aided Photo Search System) to identify buildings through their photos captured by phone cameras. User need to take a picture of the building he/she wants to know with Android phone and upload the picture to our system. The system returns name and introduction on the buildings. We use SIFT features and the bag of features method to represent and recognize building images. Four distance methods are compared to estimate the distance between query image and those in database, namely L1-norm, L2-norm, KL-divergence and χ2 distance. We calculated ROC curves to compare these methods. Experimental results exhibit that χ2 distance has the best performance. Our system is fast enough for realtime application and its accuracy is satisfactory under the experimental environment. © 2011 IEEE.
English Abstract: This paper proposes and implement an iGAPSearch System (GPS Aided Photo Search System) to identify buildings through their photos captured by phone cameras. User need to take a picture of the building he/she wants to know with Android phone and upload the picture to our system. The system returns name and introduction on the buildings. We use SIFT features and the bag of features method to represent and recognize building images. Four distance methods are compared to estimate the distance between query image and those in database, namely L1-norm, L2-norm, KL-divergence and χ2 distance. We calculated ROC curves to compare these methods. Experimental results exhibit that χ2 distance has the best performance. Our system is fast enough for realtime application and its accuracy is satisfactory under the experimental environment. © 2011 IEEE.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/16312
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Wang Jiemin,He Yuanhai,Zhou Yujie,et al. igapsearch: using phone cameras to search around the world[C]. 见:2011 International Conference on Information and Automation, ICIA 2011. Shenzhen, China. June 6, 2011 - June 8, 2011.
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