dis tributed co ntent-based v isual i nformation r etrieval
DESCRIPTION
The P2P. Download images. Plug-in management. DISCOVIR User Interface. DISCOVIR Core. Connection Manager. Packet Router. Plug-in Manager. HTTP Agent. Feature Extractor. Image Indexer. Image Manager. Shared Collection. DISCOVIR Network. WWW. Image search & Preview. The WWW. - PowerPoint PPT PresentationTRANSCRIPT
DISDIStributedtributed COCOntent-basedntent-based VVisualisual IInformationnformation RRetrievaletrievalKa Cheung Sia, Cheuk Hang Ng, Chi Hang Chan, Siu Kong Chan, Lai Yi Ho
Multimedia Information Processing Lab - http://www.cse.cuhk.edu.hk/~miplabDepartment of Computer Science and Engineering, The Chinese University of Hong Kong
{kcsia, chng, chchan, skchan3, lyho} @ cse.cuhk.edu.hk
DISCOVIR • CBIR function in Gnutella network in addition to filename search• Downloadable plug-in module based on your needs• Preview in thumbnails that saves your time• Draw pad allowing you to draw your own query image• Contribute to the Web users• Reveal geographical location of source
[1] The Gnutella project http://www.gnutella.com[2] The LimeWire project http://www.limewire.com[3] C. H. Ng and K. C. Sia, Peer Clustering and Firework Query Model, In Poster Proceedings of WWW 2002
Selected ReferenceSelected Reference
Download images
Plug-in management
Image search & Preview
ConnectionManager
PacketRouter
Plug-inManager
HTTPAgent
FeatureExtractor
ImageIndexer
DISCOVIR NetworkShared Collection
DISCOVIR Core
DISCOVIR User Interface
WWW
Image Manager
Architecture of DISCOVIRThe P2P
The WWW
Contributions• Rich queries compared to existing filename search• Reduce unnecessary download by thumbnail preview functionality
DISCOVIR Everywhere contributions• Distribute and balance queries workload from the Web among peers• Reduced workload on query gateway compared to existing methods
Procedures of Web-based queries1 – Upload query image to DISCOVIR gateway2,3 – Locate available DISCOVIR peer through bootstrap server4,5 – Delegate query and result collection task to DISCOVIR peers6 – Generate HTML for web user to download directly from peers