40 Hits in 2.9 sec

TRECVID 2004 Experiments in Dublin City University

Eddie Cooke, Paul Ferguson, Georgina Gaughan, Cathal Gurrin, Gareth J. F. Jones, Hervé Le Borgne, Hyowon Lee, Seán Marlow, Kieran McDonald, Mike McHugh, Noel Murphy, Noel E. O'Connor (+4 others)
2004 TREC Video Retrieval Evaluation  
In this paper, we describe our experiments for TRECVID 2004 for the Search task.  ...  A.2, In the interactive experiment it was confirmed that text and image based retrieval outperforms an image-only system.  ...  Introduction This year the Centre for Digital Video Processing at Dublin City University participated in the TRECVID 2004 Search task only.  ... 
dblp:conf/trecvid/CookeFGGJLLMDMM04 fatcat:l3ed7roqxbgstpiouww4tiwcce

Content-based video retrieval: Three example systems from TRECVid

Alan F. Smeaton, Peter Wilkins, Marcel Worring, Ork de Rooij, Tat-Seng Chua, Huanbo Luan
2008 International journal of imaging systems and technology (Print)  
developed for the 2007 iteration of the annual TRECVid benchmarking activity.  ...  In this article, we show three exemplar systems which demonstrate the state of the art in interactive, content-based retrieval of video shots, and these three are just three of the more than 20 systems  ...  The team from Dublin City University led a TRECVid 2007 submission on behalf of the K-Space consortium, a large European multisite grouping with an interest in semantic multimedia information management  ... 
doi:10.1002/ima.20150 fatcat:zq4xgfb5lfgfpaohrnpir4wnw4

TRECVID 2005 - An Overview

Paul Over, Tzveta Ianeva, Wessel Kraaij, Alan F. Smeaton
2005 TREC Video Retrieval Evaluation  
at Dublin City University (DCU) for formating the master shot reference definition and selecting keyframes.  ...  DCU, the University of Amsterdam, and the University of Iowa helped out in the distribution of corrected data to replace the corrupted or inaccessible data on the hard drives.  ...  Dublin City University looked at the utility of letting the searcher use video objects in place of or in addition to whole keyframes in the search process.  ... 
dblp:conf/trecvid/OverIKS05 fatcat:czlfoelhrnaxnnhwr74antamqi

TRECVID-08 Participation at Bama and UNC-Chapel Hill

Dan E. Albertson, Javed Mostafa
2008 TREC Video Retrieval Evaluation  
Researchers from the University of Alabama and the University of North Carolina at Chapel Hill collaborated on this study for TRECVID-08.  ...  This study focused on the search task of TRECVID-08, and the experiments included two full search runs, one interactive and one manual.  ...  Systems from FX Palo Alto Laboratory (FXPAL), Dublin City University (DCU), IBM, and the University of North Carolina at Chapel Hill (UNC) are a few that are surveyed throughout this section [1][2][3][  ... 
dblp:conf/trecvid/AlbertsonM08 fatcat:72n6ygoyorglvhdmxfvumtdpqq

TRECVid 2005 Experiments at Dublin City University

Colum Foley, Cathal Gurrin, Gareth J. F. Jones, Hyowon Lee, Sinéad McGivney, Noel E. O'Connor, Sorin Sav, Alan F. Smeaton, Peter Wilkins
2005 TREC Video Retrieval Evaluation  
In this paper we describe our experiments in the automatic and interactive search tasks and the BBC rushes pilot task of TRECVid 2005.  ...  In the interactive search experiments we found that the awareness system outperformed the efficiency system.  ...  Introduction This year Dublin City University participated in the TRECVid 2005 search and BBC rushes tasks only. We submitted four interactive runs and 3 fully automatic runs.  ... 
dblp:conf/trecvid/FoleyGJ0MOSSW05 fatcat:6qitz4g3mvc3tmzeljuwrgtpze

Successful approaches in the TREC video retrieval evaluations

Alexander G. Hauptmann, Michael G. Christel
2004 Proceedings of the 12th annual ACM international conference on Multimedia - MULTIMEDIA '04  
This paper reviews successful approaches in evaluations of video retrieval over the last three years.  ...  The search evaluations are grouped into interactive (with a human in the loop) and noninteractive (where the human merely enters the query into the system) submissions.  ...  The interactive search section was improved through discussions with groups from Dublin City University, Imperial College, the National University of Singapore, the University of North Carolina, the University  ... 
doi:10.1145/1027527.1027681 dblp:conf/mm/HauptmannC04 fatcat:45xpbxgavbcw3c6w6yx42ssla4

SBD, Search and Rushes: TRECVid 2006 experiments at URJC

Pablo Toharia, Oscar David Robles, Angel Rodríguez, Luis Pastor
2006 TREC Video Retrieval Evaluation  
We present an analysis of the results achieved in the official TRECVid tests for each one of these tasks.  ...  This paper describes the work performed by the URJC team in TRECVid 2006. Three tasks have been tackled: shot boundary detection, search and rushes (in collaboration with DCU group).  ...  Furthermore, the third action carried out this year has been the experimental rushes task, developed in collaboration with the Dublin City University team (DCU).  ... 
dblp:conf/trecvid/TohariaRRP06 fatcat:6vtyfoeohrdrfe6a6xb3yi5asq

Evaluation campaigns and TRECVid

Alan F. Smeaton, Paul Over, Wessel Kraaij
2006 Proceedings of the 8th ACM international workshop on Multimedia information retrieval - MIR '06  
TRECVid completed its fifth annual cycle at the end of 2005 and in 2006 TRECVid will involve almost 70 research organizations, universities and other consortia.  ...  The TREC Video Retrieval Evaluation (TRECVid) is an international benchmarking activity to encourage research in video information retrieval by providing a large test collection, uniform scoring procedures  ...  for each master shot (Dublin City Uni- versity) -Feature annotation tools (IBM, Carnegie Mellon University) -Feature annotation (20+ research groups) for 39 features in 50 hours of video -Low  ... 
doi:10.1145/1178677.1178722 dblp:conf/mir/SmeatonOK06 fatcat:oecxegqkqzb3zmkge4y62vbpga

An empirical study of inter-concept similarities in multimedia ontologies

Markus Koskela, Alan F. Smeaton
2007 Proceedings of the 6th ACM international conference on Image and video retrieval - CIVR '07  
In this paper, we present results from our empirical analysis of different types of similarity among semantic concepts in two multimedia ontologies, LSCOM-Lite and CDVP-206.  ...  Such an analysis as this can be utilized in various tasks such as building more reliable concept detectors and designing large-scale ontologies.  ...  We study two ontologies, namely a subset of 39 concepts from the LSCOM ontology and an in-house ontology developed at the Centre for Digital Video Processing at Dublin City University, named CDVP-206 in  ... 
doi:10.1145/1282280.1282348 dblp:conf/civr/KoskelaS07 fatcat:qqm5kniwvbarrp7xjtq56jbvvy

The Scholarly Impact of CLEF (2000–2009) [chapter]

Theodora Tsikrika, Birger Larsen, Henning Müller, Stefan Endrullis, Erhard Rahm
2013 Lecture Notes in Computer Science  
Moreover, initial analysis indicates that the scholarly impact of ImageCLEF is comparable to that of TRECVid. 1 Text REtrieval Conference ( 2 Cross-Language Evaluation Forum (http  ...  City University 30 Llopis F. 24 France 67 University of Amsterdam 29 de Rijke M. 24 United Kingdom 61 Universidad de Jaen 27 Garcia-Cumbreras M.A. 20 Italy 55 Universität Hildesheim 25 Urena-Lopez L.A  ...  The CLEF 2004 Cross-Language Image Retrieval Track. 2004 O 5 6 290 91 91 4 Vallin et al.  ... 
doi:10.1007/978-3-642-40802-1_1 fatcat:533ffulnnbcedphg33kgobcney

A Synergistic Approach to Efficient Interactive Video Retrieval [chapter]

Andreas Girgensohn, John Adcock, Matthew Cooper, Lynn Wilcox
2005 Lecture Notes in Computer Science  
A video database can contain a large number of videos ranging from several minutes to several hours in length.  ...  We tested our system as part of the NIST TRECVID interactive search evaluation, and found that our user interface enabled users to find more relevant results within the allotted time than other systems  ...  The Dublin City University effort [6] includes an image-plus-text search facility and a relevance feedback facility for query refinement.  ... 
doi:10.1007/11555261_62 fatcat:5gib4erlqjenrfra6vc76hhc4a

The trecvid 2007 BBC rushes summarization evaluation pilot

Paul Over, Alan F. Smeaton, Philip Kelly
2007 Proceedings of the international workshop on TRECVID video summarization - TVS '07  
Procedures for developing ground truth lists of important segments from each video were developed at Dublin City University and applied to the BBC video.  ...  It was carried out under the auspices of TRECVID.  ...  .3/I361 and the team at Dublin City University for creating the ground truth, to several sites for mirroring the video data to allow distribution to participating groups over the Internet, to the program  ... 
doi:10.1145/1290031.1290032 dblp:conf/mm/OverSK07 fatcat:yscn3od5rzhrjl3horbrzxpctq

The challenge problem for automated detection of 101 semantic concepts in multimedia

Cees G. M. Snoek, Marcel Worring, Jan C. van Gemert, Jan-Mark Geusebroek, Arnold W. M. Smeulders
2006 Proceedings of the 14th annual ACM international conference on Multimedia - MULTIMEDIA '06  
For each experiment, we evaluate generic video indexing performance on 85 hours of international broadcast news data, from the TRECVID 2005/2006 benchmark, using a lexicon of 101 semantic concepts.  ...  of experiments.  ...  The authors are grateful to NIST and the TRECVID coordinators for the benchmark organization effort. We thank the TRECVID community for the 2005 common annotation effort.  ... 
doi:10.1145/1180639.1180727 dblp:conf/mm/SnoekWGGS06 fatcat:utjj4m6mbrb53lfo47vwmp5nqq

Adaptive Systems for Multimedia Information Retrieval [chapter]

Gareth J. F. Jones
2004 Lecture Notes in Computer Science  
The suitability of the solutions developed within these systems is currently being explored in the annual TRECVID evaluation workshops which enable researchers to test their indexing and retrieval algorithms  ...  Acknowledgements I am grateful to members of the CDVP at DCU for discussing latest developments in Fischlár, and Cathal Gurrin for supplying the images used in this paper.  ...  One such system is the Fischlár-News Video being developed within the Centre for Digital Video Processing at Dublin City University (DCU).  ... 
doi:10.1007/978-3-540-25981-7_1 fatcat:vdvqw7gjhjc57pwqecwckaqr2e

Measuring Concept Similarities in Multimedia Ontologies: Analysis and Evaluations

M. Koskela, A.F. Smeaton, J. Laaksonen
2007 IEEE transactions on multimedia  
We study three ontologies and apply the proposed techniques in experiments involving the visual and semantic similarities, manual annotation of video, and concept detection.  ...  We cover a variety of methods for assessing the similarity of different concepts in a multimedia ontology.  ...  at Dublin City University [39] .  ... 
doi:10.1109/tmm.2007.900137 fatcat:yony6y25jfcpnd4bkc2c4mpapa
« Previous Showing results 1 — 15 out of 40 results