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Web image indexing by using associated texts
Gong Z.; U. L.H.; Cheang C.W.
2006-08-01
Source PublicationKnowledge and Information Systems
ISSN02191377 02193116
Volume10Issue:2Pages:243-264
Abstract

In order to index Web images, the whole associated texts are partitioned into a sequence of text blocks, then the local relevance of a term to the corresponding image is calculated with respect to both its local occurrence in the block and the distance of the block to the image. Thus, the overall relevance of a term is determined as the sum of all its local weight values multiplied by the corresponding distance factors of the text blocks. In the present approach, the associated text of a Web image is firstly partitioned into three parts, including a page-oriented text (TM), a link-oriented text (LT), and a caption-oriented text (BT). Since the big size and semantic divergence, the caption-oriented text is further partitioned into finer blocks based on the tree structure of the tag elements within the BT text. During the processing, all heading nodes are pulled up in order to correlate with their semantic scopes, and a collapse algorithm is also exploited to remove the empty blocks. In our system, the relevant factors of the text blocks are determined by using a greedy Two-Way-Merging algorithm. © Springer-Verlag London Limited 2006.

KeywordIndexing Retrieval Segmentation Text-based Web Images
DOI10.1007/s10115-005-0231-8
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Information Systems
WOS IDWOS:000240777300007
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Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Gong Z.,U. L.H.,Cheang C.W.. Web image indexing by using associated texts[J]. Knowledge and Information Systems,2006,10(2):243-264.
APA Gong Z.,U. L.H.,&Cheang C.W..(2006).Web image indexing by using associated texts.Knowledge and Information Systems,10(2),243-264.
MLA Gong Z.,et al."Web image indexing by using associated texts".Knowledge and Information Systems 10.2(2006):243-264.
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