Advances in Information Retrieval: 24th BCS-IRSG European - download pdf or read online

By Thomas Sødring, Alan F. Smeaton (auth.), Fabio Crestani, Mark Girolami, Cornelis Joost van Rijsbergen (eds.)

ISBN-10: 3540433430

ISBN-13: 9783540433439

ISBN-10: 3540458867

ISBN-13: 9783540458869

The annual colloquium on details retrieval study offers a chance for either new and demonstrated researchers to give papers describing paintings in development or ?nal effects. This colloquium was once demonstrated through the BCS IRSG(B- tish computing device Society info Retrieval expert Group), and named the yearly Colloquium on info Retrieval study. lately, the site of the colloquium has alternated among the uk and continental Europe. To re?ect the growing to be ecu orientation of the development, the colloquium used to be renamed “European Annual Colloquium on details Retrieval study” from 2001. because the inception of the colloquium in 1979 the development has been hosted within the urban of Glasgow on 4 separate events. although, this was once the ?rst time that the association of the colloquium have been together undertaken through 3 separate machine and data technological know-how departments; a sign of the collaborative nature and variety of IR learn in the universities of the West of Scotland. The organizers of ECIR 2002 observed a pointy bring up within the variety of pass- caliber submissions in solution to the decision for papers over prior years and as such fifty two submitted papers have been every one allotted three contributors of this system committee for double blind overview of the manuscripts. a complete of 23 papers have been ultimately chosen for oral presentation on the colloquium in Glasgow which gave an reputation price of below forty five% and ensured a really excessive ordinary of the papers presented.

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Extra info for Advances in Information Retrieval: 24th BCS-IRSG European Colloquium on IR Research Glasgow, UK, March 25–27, 2002 Proceedings

Example text

1), and under various indexing conditions — that is, 20%, 40% or ad hoc indexing — (col. 2), relevance judgements are reported for the 10 best ranked images (col. 3 to 12): “T” stands for “thematically relevant”, “V” for “Visually relevant”. A session quality score Q is computed according to equation 1, with k = 2, n = 5, N = 1 (col. 13). Finally, the visual weight used to produce the reported results is given (col. 14). 3 Discussion In our approach, the tunnel mechanism has been devised to allow collaboration of textual and visual retrieval techniques.

Freeman chain codes are derived by reading the contour in a consistently clock-wise or counter-clockwise direction starting at position 0 and noting for each pixel i of the contour its relative position ci with respect to its neighbour. Specifically, a 0, 2, 4 or 6 is noted for right, top, left, bottom, respectively. The chain-code c1 c2 . . cn thus obtained is invariant with respect to translation. Encoding the change in direction di = (ci+1 − ci ) mod 8 at any one pixel yields invariance under rotation.

20. S. Sclaroff, M. La Cascia, S. Sethi, and L. Taycher. Unifying textual and visual cues for content-based image retrieval on the world wide web. Computer Vision and Image Understanding, 75(1–2):86–98, 1999. 21. A. Smeulders, M. Worring, S. Santini, A. Gupta, and R. Jain. Content-Based Image Retrieval at the End of the Early Years . IEEE Transactions on pattern analysis and machine intelligence, 22(12):1349–1379, 2000. 40 G. Duffing and M. Sma¨ıl 22. J. R. -F. Chang. Querying by color regions using the VisualSEEk content-based visual query system.

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Advances in Information Retrieval: 24th BCS-IRSG European Colloquium on IR Research Glasgow, UK, March 25–27, 2002 Proceedings by Thomas Sødring, Alan F. Smeaton (auth.), Fabio Crestani, Mark Girolami, Cornelis Joost van Rijsbergen (eds.)


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