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Automatic organisation of retrieved images into a hierarchy

By M. Sanderson, J. Tian and P. Clough


Image retrieval is of growing interest to both search engines and academic researchers with increased focus on both content-based and\ud caption-based approaches. Image search, however, is different from document retrieval: users often search a broader set of retrieved\ud images than they would examine returned web pages in a search engine. In this paper, we focus on a concept hierarchy generation\ud approach developed by Sanderson and Croft in 1999, which was used to organise retrieved images in a hierarchy automatically\ud generated from image captions. Thirty participants were recruited for the study. Each of them conducted two different kinds of\ud searching tasks within the system. Results indicated that the user retrieval performance in both interfaces of system is similar.\ud However, the majority of users preferred to use the concept hierarchy to complete their searching tasks and they were satisfied with\ud using the hierarchical menu to organize retrieved results, because the menu appeared to provide a useful summary to help users look\ud through the image results

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