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21st International Conference on Data Engineering Workshops (ICDEW'05) (2005)
Tokyo, Japan
Apr. 5, 2005 to Apr. 8, 2005
ISBN: 0-7695-2657-8
pp: 1179
Erwan Loisant , ATLAS Team, INRIA and IRIN/BaDRI
Jose Martinez , ATLAS Team, INRIA and IRIN/BaDRI
Hiroshi Ishikawa , Tokyo Metropolitan University, Graduate School of Engineering
Manabu Ohta , Tokyo Metropolitan University, Graduate School of Engineering
Kaoru Katayama , Tokyo Metropolitan University, Graduate School of Engineering
ABSTRACT
Going one step further feedback querying in integrating user into retrieval process, navigation is the more recent approach to find images in a large image collection using contentbased information. However, while properties extracted from images are usually fuzzy data, most of the time a navigation structure will deal with binary links from an image (or a group of images) to another. A trivial solution to get a binary relationship from fuzzy data is to apply a threshold, but this solution not only leads to a loss of information but fails to distinguish noise from interesting elements. In this paper, we propose two techniques to eliminate isolated elements and lead to a structure made of more compact subparts. The first one is based on a variable threshold depending on the number of neighbours. The second one, specific to Galois? lattice, is based on taking into account the existing navigation structure for binarisation of descriptions. Experiments showed that it improves the resulting structure by reducing the number of nodes without loosing information on image description, thus improving user experience.
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CITATION

H. Ishikawa, E. Loisant, M. Ohta, K. Katayama and J. Martinez, "Building a Navigation Structure from a Fuzzy Relationship for Image Retrieval," 21st International Conference on Data Engineering Workshops (ICDEW'05)(ICDEW), Tokyo, Japan, 2005, pp. 1179.
doi:10.1109/ICDE.2005.201
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