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Diversity in Image Retrieval: DCU at ImageCLEFPhoto 2008
[chapter]
2009
Lecture Notes in Computer Science
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DCU participated in the ImageCLEF 2008 photo retrieval task, which aimed to evaluate diversity in Image Retrieval, submitting runs for both the English and Random language annotation conditions. ...
Pseudo relevance feedback consistently improved retrieval, but always at the cost of diversity. ...
DCU Results for ImageCLEFPhoto 2008. ...
doi:10.1007/978-3-642-04447-2_77
fatcat:eh25ld2fffhkfdlgzbi7i37vzu
Overview of the ImageCLEFphoto 2008 Photographic Retrieval Task
[chapter]
2009
Lecture Notes in Computer Science
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ImageCLEFphoto 2008 is an ad-hoc photo retrieval task and part of the ImageCLEF evaluation campaign. ...
In 2008, the evaluation task concentrated on promoting diversity within the top 20 results from a multilingual image collection. ...
Acknowledgements We would like to thank Michael Grubinger for providing the data collection and queries which formed the basis of the ImageCLEFPhoto task for 2008. ...
doi:10.1007/978-3-642-04447-2_62
fatcat:l552y7wq3bhcvlkzr5wfb3te54
Affinity Propagation promoting Diversity in Visuo-entropic and Text Features for CLEF Photo Retrieval 2008 Campaign
2008
Conference and Labs of the Evaluation Forum
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The LSIS run which used only the visual information is at the 6th best team rank in the AUTO IMG run type. ...
We develop for the CLEF PHOTO 2008 task a new visual features using various pixel projections for training SVMs, allowing us to produce image retrieval and clustering using affinity propagation. ...
Evaluation are based on two measures: precision at 20 and instance recall at rank 20 (also called S-recall) [2], which calculates the percentage of different clusters represented in the top 20. ...
dblp:conf/clef/GlotinZ08b
fatcat:hfzirmlwdbcxbein3wdxppng54
Experimentación en la Búsqueda de Imágenes a partir de Características Visuales y Textuales: Fusión Tardía y Expansión de la Consulta
2012
Revista de Procesamiento de Lenguaje Natural (SEPLN)
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El grupo DCU (O'Hare, 2008) utiliza el campo location para expandir de forma automática con información geográfica. ...
en 2008. ...
dblp:journals/pdln/GranadosGFB12
fatcat:xfuivd4p7vdjrkpjt4bhpsmo2u