Majority-based Ranking Approach in Web Image Retrieval

In this paper, we address a ranking problem in web image retrieval. Due to the growing availability of web images, comprehensive retrieval of web images has been expected. Conventional systems for web image retrieval are based on keyword- based retrieval. However, we often find undesirable retrieval results from the keyword based web image retrieval system since the system uses the limited and inaccurate text information of web images ; a typical system uses text information such as surrounding texts and/or image filenames, etc. To alleviate this situation, we propose a new ranking approach which is the integration of results of text and image content via analyzing the retrieved results. We define four ranking methods based on the image contents analysis of the retrieved images; (1) majority-first method, (2) centroid-of-all method, (3) centroid-of-top K method, and (4) centroid-of-largest-cluster method. We evaluate the retrieval performance of our methods and conventional one using precision and recall graphs. The experimental results show that the proposed methods are more effective than conventional keywordbased retrieval methods.
Publisher
Springer Verlag (Germany)
Issue Date
2003-07
Citation

Lecture Notes in Computer Science, Vol.2728, pp.111-120

ISBN
978-3-540-40634-1
ISSN
0302-9743
DOI
10.1007/3-540-45113-7_12
URI
http://hdl.handle.net/10203/17172
Appears in Collection
CS-Conference Papers(학술회의논문)
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