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Author |
J. Mauri; E Fernandez-Nofrerias; Petia Radeva; V. Valle |
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Title |
Ecografia intracoronaria, una ajuda o un mestre en lintervencionisme coronari?" |
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2000 |
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Revista de la Societat Catalana de Cardiologia, 3, 435–443. |
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MILAB |
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BCNPCL @ bcnpcl @ MFR2000 |
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437 |
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Author |
Mehdi Mirza-Mohammadi; Sergio Escalera; Petia Radeva |
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Title |
Contextual-Guided Bag-of-Visual-Words Model for Multi-class Object Categorization |
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2009 |
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13th International Conference on Computer Analysis of Images and Patterns |
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5702 |
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748–756 |
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Abstract |
Bag-of-words model (BOW) is inspired by the text classification problem, where a document is represented by an unsorted set of contained words. Analogously, in the object categorization problem, an image is represented by an unsorted set of discrete visual words (BOVW). In these models, relations among visual words are performed after dictionary construction. However, close object regions can have far descriptions in the feature space, being grouped as different visual words. In this paper, we present a method for considering geometrical information of visual words in the dictionary construction step. Object interest regions are obtained by means of the Harris-Affine detector and then described using the SIFT descriptor. Afterward, a contextual-space and a feature-space are defined, and a merging process is used to fuse feature words based on their proximity in the contextual-space. Moreover, we use the Error Correcting Output Codes framework to learn the new dictionary in order to perform multi-class classification. Results show significant classification improvements when spatial information is taken into account in the dictionary construction step. |
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Springer Berlin Heidelberg |
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0302-9743 |
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978-3-642-03766-5 |
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CAIP |
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HuPBA; MILAB |
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BCNPCL @ bcnpcl @ MEP2009 |
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1185 |
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Author |
J. Mauri; E. Esplugas; B. Garcia del Blanco; E Fernandez-Nofrerias; A. Cequier; J.A. Gomez-Hospital; Petia Radeva; Ricardo Toledo; Cristina Cañero; Juan J. Villanueva |
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Title |
3-D Stent and Vessel Reconstruction from IVUS: a Physics-Based Approach |
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Miscellaneous |
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2000 |
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European Heart Journal, Vol.21, XXII Congreso of the European Society of Cardiology |
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MILAB;ADAS |
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BCNPCL @ bcnpcl @ MEG2000 |
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440 |
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Carolina Malagelada; Fosca De Iorio; Fernando Azpiroz; Anna Accarino; Santiago Segui; Petia Radeva; Juan R. Malagelada |
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Title |
New Insight Into Intestinal Motor Function via Noninvasive Endoluminal Image Analysis |
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2008 |
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Gastroenterology |
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135 |
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4 |
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1155–1162 |
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BCNPCL @ bcnpcl @ MDA2008 |
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1040 |
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Author |
David Masip; M. Bressan; Jordi Vitria |
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Feature extraction methods for real-time face detection and classification |
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2005 |
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Eurasip Journal on Applied Signal Processing, 13: 2061–2071 |
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OR;MV |
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BCNPCL @ bcnpcl @ MBV2005 |
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612 |
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Author |
David Masip; Jordi Vitria |
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Title |
Classifier Combination Applied to Real Time Face Detection and Classification. |
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2004 |
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Recerca Automatica, Visio i Robotica, Ed. UPC, A. Grau, V. Puig (Eds.), 345–353, ISBN 84–7653–844–8 |
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BCNPCL @ bcnpcl @ MBV2004b |
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449 |
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Author |
David Masip; M. Bressan; Jordi Vitria |
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Title |
Classifier Combination Applied to Real Time Face Detection and Classification |
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Miscellaneous |
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2004 |
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AVR2004 |
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Barcelona |
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BCNPCL @ bcnpcl @ MBV2004a |
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448 |
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Author |
David Masip; Jordi Vitria |
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Title |
Shared Feature Extraction for Nearest Neighbor Face Recognition |
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2008 |
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IEEE Transactions on Neural Networks |
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19 |
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4 |
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586–595 |
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BCNPCL @ bcnpcl @ MaV2008 |
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944 |
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Author |
David Masip; Jordi Vitria |
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Title |
Boosted discriminant projections for nearest neighbor classification |
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2006 |
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Pattern Recognition, 39(2): 164–170 |
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BCNPCL @ bcnpcl @ MaV2006 |
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634 |
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David Masip; Jordi Vitria |
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Title |
Feature Extraction for Nearest Neighbor Classification. Application to Gender Recognition |
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2005 |
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International Journal of Intelligent Systems, 20(5): 561–576 (IF: 0.657) |
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BCNPCL @ bcnpcl @ MaV2005 |
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562 |
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Author |
David Masip; Jordi Vitria |
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Title |
Boosted Linear Projections for Discriminant Analysis |
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2004 |
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CCIA 2004, 45–52, ISBN: 1–58603–466–9 |
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BCNPCL @ bcnpcl @ MaV2004c |
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510 |
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Author |
David Masip; Jordi Vitria |
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Title |
Object Recognition using Boosted Adaptive Features. |
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2004 |
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ECOVISION Early Cognitive Vision Workshop |
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BCNPCL @ bcnpcl @ MaV2004b |
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447 |
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David Masip; Jordi Vitria |
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Real Time Face Detection and Verification for Uncontrolled Environments |
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2004 |
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Second COST 275 Workshop Biometrics on the Internet: Fundamentals, Advances and Applications, 55–58. |
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446 |
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David Masip; Jordi Vitria |
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On the Nearest Neighbor Approach for Gender Recognition |
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2003 |
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6th Catalonian Conference on Artificial Intelligence |
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392 |
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David Masip; Jordi Vitria |
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On the Nearest Neighbor Approach for Gender Recognition |
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2003 |
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In I. Aguilo, Ll. Valverde M.T. Escrig, editors. Artificial Intelligence Research and Development. IOS PRESS pp.178–188 |
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