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DIS tributed CO ntent-based V isual I nformation R etrieval - PowerPoint PPT Presentation


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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.

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Presentation Transcript

The P2P

Download images

Plug-in management

DISCOVIR User Interface

DISCOVIR Core

ConnectionManager

PacketRouter

Plug-inManager

HTTPAgent

FeatureExtractor

ImageIndexer

Image Manager

Shared Collection

DISCOVIR Network

WWW

Image search & Preview

The WWW

  • 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

  • Contributions

  • Rich queries compared to existing filename search

  • Reduce unnecessary download by thumbnail preview functionality

Architecture of DISCOVIR

Bridging the P2P and WWW Divide

DIStributedCOntent-basedVisualInformationRetrieval

Ka Cheung Sia, Cheuk Hang Ng, Chi Hang Chan, Siu Kong Chan, Lai Yi Ho

Multimedia Information Processing Lab - http://www.cse.cuhk.edu.hk/~miplab

Department of Computer Science and Engineering, The Chinese University of Hong Kong

{kcsia, chng, chchan, skchan3, lyho} @ cse.cuhk.edu.hk

  • 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 queries

1 – Upload query image to DISCOVIR gateway

2,3 – Locate available DISCOVIR peer through bootstrap server

4,5 – Delegate query and result collection task to DISCOVIR peers

6 – Generate HTML for web user to download directly from peers

Selected Reference

[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


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