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Towards the Evaluation of Information Retrieval Systems on Evolving Datasets with Pivot Systems
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; https://hal.archives-ouvertes.fr/hal-03369898 ; Experimental IR Meets Multilinguality, Multimodality, and Interaction, 12880, Springer International Publishing, pp.91-102, 2021, Lecture Notes in Computer Science, ⟨10.1007/978-3-030-85251-1_8⟩ (2021)
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Overview of the CLEF eHealth Evaluation Lab 2021
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; https://hal.archives-ouvertes.fr/hal-03369846 ; Experimental IR Meets Multilinguality, Multimodality, and Interaction, 12880, Springer International Publishing, pp.308-323, 2021, Lecture Notes in Computer Science, ⟨10.1007/978-3-030-85251-1_21⟩ (2021)
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CLEF 2017 Microblog Cultural Contextualization Lab Overview
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; International Conference of the Cross-Language Evaluation Forum for European Languages (CLEF 2017) ; https://hal.archives-ouvertes.fr/hal-01912804 ; International Conference of the Cross-Language Evaluation Forum for European Languages (CLEF 2017), Sep 2017, Dublin, Ireland. pp. 304-314 (2017)
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Extended conceptual feedback for semantic multimedia indexing
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In: ISSN: 1380-7501 ; EISSN: 1573-7721 ; Multimedia Tools and Applications ; https://hal.archives-ouvertes.fr/hal-00981663 ; Multimedia Tools and Applications, Springer Verlag, 2015, 74 (4), pp.1225-1248. ⟨10.1007/s11042-014-1937-y⟩ (2015)
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Temporal re-scoring vs. temporal descriptors for semantic indexing of videos
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In: 13th International Workshop on Content-Based Multimedia Indexing (CBMI) ; https://hal.archives-ouvertes.fr/hal-01230719 ; 13th International Workshop on Content-Based Multimedia Indexing (CBMI), Jun 2015, Prague, Czech Republic. pp.1-4, ⟨10.1109/CBMI.2015.7153626⟩ (2015)
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LIG at TRECVid 2015: Semantic Indexing
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In: Proceedings of TRECVid ; https://hal.archives-ouvertes.fr/hal-01233401 ; Proceedings of TRECVid, Nov 2015, Gaithersburg, MD, United States (2015)
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Abstract:
International audience ; LIG participated to the semantic indexing main task. LIG also participated to the organization of this task. This paper describes these participations which are quite similar to our previous year's participations (within the Quaero consortium). Our approach uses a six-stages processing pipelines for computing scores for the likelihood of a video shot to contain a target concept. These scores are then used for producing a ranked list of images or shots that are the most likely to contain the target concept. The pipeline is composed of the following steps: descriptor extraction, descriptor optimization, classification, fusion of descriptor variants, higher-level fusion, and re-ranking. We used a number of different descriptors and a hierarchical fusion strategy. We also used conceptual feedback by adding a vector of classification score to the pool of descriptors. The main innovation this year consisted in the inclusion of semantic descriptors computed using a deep learning method. We also used multiple frames for some features and this did lead to a significant improvement. The best LIG run has a Mean Inferred Average Precision of 0.2935, which ranked it 5$^{th}$ out of 15 participants.
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Keyword:
[INFO]Computer Science [cs]
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URL: https://hal.archives-ouvertes.fr/hal-01233401
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LIG-MRIM at Image Photo Annotation Task in ImageCLEF 2011
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In: Notebook Papers of Labs and Workshop (CLEF) ; CLEF 2011 - Conference on Multilingual and Multimodal Information Access Evaluation ; https://hal.archives-ouvertes.fr/hal-00762711 ; CLEF 2011 - Conference on Multilingual and Multimodal Information Access Evaluation, Sep 2011, Amsterdam, Netherlands. 8p (2011)
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Recherche par le contenu dans des documents audiovisuels multilingues
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In: ISSN: 1279-5127 ; EISSN: 1963-1014 ; Document Numérique ; https://hal.inria.fr/hal-00953796 ; Document Numérique, Lavoisier, 2010, 13 (1), pp.229-246 (2010)
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Content-based search in multilingual audiovisual documents using the International Phonetic Alphabet
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In: ISSN: 1380-7501 ; EISSN: 1573-7721 ; Multimedia Tools and Applications ; https://hal.archives-ouvertes.fr/hal-00953696 ; Multimedia Tools and Applications, Springer Verlag, 2010, 48 (1), pp.123-140. ⟨10.1007/s11042-009-0377-6⟩ (2010)
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Recherche par le contenu dans des documents audiovisuels multilingues
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In: Actes de la conférence CORIA ; https://hal.inria.fr/hal-00954025 ; Actes de la conférence CORIA, 2009, Giens, France. pp.67-82 (2009)
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Content-Based Search in Multilingual Audiovisual Documents using the International Phonetic Alphabet
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In: 7th International Workshop on Content-Based Multimedia Indexing (CBMI 2009) ; https://hal.inria.fr/hal-00953855 ; 7th International Workshop on Content-Based Multimedia Indexing (CBMI 2009), 2009, Chania, Crete. 3-5 June 2009 (2009)
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Recherche par le contenu dans des documents audiovisuels multilingues. ...
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A Comparative Study of Diversity Methods for Hybrid Text and Image Retrieval Approaches
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In: Evaluating Systems for Multilingual and Multimodal Information Access ; 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008 ; https://hal.archives-ouvertes.fr/hal-00581664 ; 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Sep 2008, Aarhus, Denmark. pp.585-592, ⟨10.1007/978-3-642-04447-2_72⟩ (2008)
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