Image retrieval from the web using multiple features

Purpose - The main obstacle in realising semantic-based image retrieval from the web is that it is difficult to capture semantic description of an image in low-level features. Text-based keywords can be generated from web documents to capture semantic information for narrowing down the search space....

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Bibliographic Details
Published in:Online information review Vol. 33; no. 6; pp. 1169 - 1188
Main Authors: Vadivel, A., Sural, Shamik, Majumdar, A.K.
Format: Journal Article
Language:English
Published: Bradford Emerald Group Publishing Limited 01.01.2009
Emerald
Subjects:
Active Learning
Algorithms
Exact sciences and technology
Feature selection
Histograms
Image retrieval
Imagery
Indexing
Information and communication sciences
Information Retrieval
Information science. Documentation
Integrative approach
Internet
Keywords
Learning Strategies
Library and information science. General aspects
Online information retrieval
Pornography
Queries
Retrieval
Sciences and techniques of general use
Scientific Concepts
Search engines
Semantics
Semiotics
Statistical analysis
Use and user studies. Information needs
Visual Perception
World Wide Web
Worldwide web
Search engines
Worldwide web
Internet
Image retrieval
Search engine
World wide web
Use study
ISSN:1468-4527, 1468-4535
Online Access:Get full text
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Summary:Purpose - The main obstacle in realising semantic-based image retrieval from the web is that it is difficult to capture semantic description of an image in low-level features. Text-based keywords can be generated from web documents to capture semantic information for narrowing down the search space. The combination of keywords and various low-level features effectively increases the retrieval precision. The purpose of this paper is to propose a dynamic approach for integrating keywords and low-level features to take advantage of their complementary strengths.Design methodology approach - Image semantics are described using both low-level features and keywords. The keywords are constructed from the text located in the vicinity of images embedded in HTML documents. Various low-level features such as colour histograms, texture and composite colour-texture features are extracted for supplementing keywords.Findings - The retrieval performance is better than that of various recently proposed techniques. The experimental results show that the integrated approach has better retrieval performance than both the text-based and the content-based techniques.Research limitations implications - The features of images used for capturing the semantics may not always describe the content.Practical implications - The indexing mechanism for dynamically growing features is challenging while practically implementing the system.Originality value - A survey of image retrieval systems for searching images available on the internet found that no internet search engine can handle both low-level features and keywords as queries for retrieving images from WWW so this is the first of its kind.
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ISSN:1468-4527
1468-4535
DOI:10.1108/14684520911011061