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New Generation Computing

, Volume 18, Issue 2, pp 147–156 | Cite as

Photograph retrieval and classification by visual keywords and thesaurus

  • Joo -Hwee Lim
Special Issue

Abstract

As we collect more digital images with the advent of digital cameras, we need effective content-based search and categorization functions. In this paper, we propose a novel notion of visual keywords to describe and compare digital visual contents. Visual keywords are visual prototypes extracted from a visual content domain with semantics labels. They can be further abstracted to form visual thesaurus. An image is indexed as a spatial distribution of visual keywords. Both retrieval and classification evaluation tasks on professional natural scene photographs have demonstrated the usefulness of this new methodology.

Keywords

Image Retrieval Image Classification Visual Keywords Visual Thesaurus 

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Copyright information

© Ohmsha, Ltd. and Springer 2000

Authors and Affiliations

  1. 1.RWCP Information-Base Functions KRDL LabKent Ridge Digital LabsSingapore

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