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Author |
Oriol Ramos Terrades; Ernest Valveny |
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Title |
Local Norm Features based on ridgelets Transform |
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Miscellaneous |
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Year |
2005 |
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8th International Conference on Document Analysis and Recognition (ICDAR´05), 700–704 |
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DAG |
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DAG @ dag @ RaV2005d |
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642 |
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Author |
Quan-sen Sun; Pheng-ann Heng; Zhong Jin; De-shen Xia |
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Title |
Face recognition based on generalized canonical correlation analysis |
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Book Chapter |
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2005 |
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Advances in Intelligent Computing, Lecture Notes in Computer Science, 3645: 958–967 |
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Hefei (China) |
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Admin @ si @ SHJ2005 |
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625 |
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Author |
Enric Marti; Petia Radeva; Ricardo Toledo; Jordi Vitria |
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Title |
Experiencia de aplicación de la metodología de aprendizaje por proyectos en asignaturas de Ingeniería Informática para una mejor adaptación a los créditos ECTS i al Espacio Europeo de Educación Superior |
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Miscellaneous |
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2005 |
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Agencia de Gestio d´Ajuts Universitaris I de Recerca (AGAUR) |
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Agencia de Gestio d´Ajuts Universitaris I de Recerca (AGAUR) |
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IAM;RV;OR;MILAB;ADAS;MV |
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IAM @ iam @ MRT2005 |
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1608 |
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Author |
Bogdan Raducanu; Jordi Vitria |
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Title |
Real-Time Face Tracking for Context-Aware Computing |
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2005 |
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Artificial Intelligence Research and Development, IOS Press, 91–98 |
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Amsterdam |
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OR;MV |
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BCNPCL @ bcnpcl @ RaV2005b |
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616 |
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Author |
Agata Lapedriza; Jordi Vitria |
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Title |
Experimental Study of the Usefulness of External Face Features for Face Classification |
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2005 |
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Artificial Intelligence Research and Development, IOS Press, 99–106 |
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Amsterdam |
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OR;MV |
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BCNPCL @ bcnpcl @ LaV2005 |
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610 |
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Author |
Antonio Lopez; Ernest Valveny; Juan J. Villanueva |
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Title |
Real-time quality control of surgical material packaging by artificial vision |
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Journal Article |
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2005 |
Publication |
Assembly Automation |
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25 |
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3 |
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Abstract |
IF: 0.061) |
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ADAS;DAG |
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ADAS @ adas @ LVV2005 |
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552 |
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Author |
Debora Gil; Petia Radeva |
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Title |
Extending anisotropic operators to recover smooth shapes |
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Journal Article |
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Year |
2005 |
Publication |
Computer Vision and Image Understanding |
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Volume |
99 |
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1 |
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110-125 |
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Contour completion; Functional extension; Differential operators; Riemmanian manifolds; Snake segmentation |
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Abstract |
Anisotropic differential operators are widely used in image enhancement processes. Recently, their property of smoothly extending functions to the whole image domain has begun to be exploited. Strong ellipticity of differential operators is a requirement that ensures existence of a unique solution. This condition is too restrictive for operators designed to extend image level sets: their own functionality implies that they should restrict to some vector field. The diffusion tensor that defines the diffusion operator links anisotropic processes with Riemmanian manifolds. In this context, degeneracy implies restricting diffusion to the varieties generated by the vector fields of positive eigenvalues, provided that an integrability condition is satisfied. We will use that any smooth vector field fulfills this integrability requirement to design line connection algorithms for contour completion. As application we present a segmenting strategy that assures convergent snakes whatever the geometry of the object to be modelled is. |
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1077-3142 |
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IAM;MILAB |
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no |
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IAM @ iam @ GIR2005 |
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1530 |
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Author |
Jaume Garcia; Joel Barajas; Francesc Carreras; Sandra Pujades; Petia Radeva |
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Title |
An intuitive validation technique to compare local versus global tagged MRI analysis |
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Conference Article |
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Year |
2005 |
Publication |
Computers In Cardiology |
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32 |
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29–32 |
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Abstract |
Myocardium appears as a uniform tissue that seen in convectional Magnetic Resonance Images (MRI) shows just the contractile part of its movement. MR Tagging is a unique imaging technique that prints a grid over the tissue which moves according to the underlying movement of the myocardium revealing the true deformation of the cardiac muscle. Optical flow techniques based on spectral information estimate tissue displacement by analyzing information encoded in the phase maps which can be obtained using, local (Gabor) and global (HARP) methods. In this paper we compare both in synthetic and real Tagged MR sequences. We conclude that local method is slightly more accurate than the global one. On the other hand, global method is more efficient as it is much faster and less parameters have to be taken into account |
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Lyon (France) |
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0-7803-9337-6 |
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IAM;MILAB |
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IAM @ iam @ GBC2005 |
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639 |
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Author |
Aura Hernandez-Sabate |
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Title |
Automatic adventitia segmentation in IntraVascular UltraSound images |
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Report |
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Year |
2005 |
Publication |
CVC Technical Report |
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85 |
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A usual tool in cardiac disease diagnosis is vessel plaque assessment by analysis of IVUS sequences. Manual detection of lumen-intima, intima-media and media-adventitia vessel borders is the main activity of physicians in the process of plaque quantification. Large variety in vessel border descriptors, as well as, shades, artifacts and blurred response due to ultrasound physical properties troubles automated media-adventitia segmentation. This experimental work presents a solution to such a complex problem. The process blends advanced anisotropic filtering operators and statistic classification techniques, achieving an efficient vessel border modelling strategy. First of all, we introduce the theoretic base of the method. After that, we show the steps of the algorithm, validating the method with statistics that show that the media-adventitia border detection achieves an accuracy in the range of inter-observer variability regardless of plaque nature, vessel geometry and incomplete vessel borders. Finally, we present a little Matlab application to the automatic media-adventitia border. |
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Master's thesis |
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08193 Bellaterra, Barcelona (Spain) |
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IAM; |
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IAM @ iam @ Her2005 |
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1544 |
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Author |
Aura Hernandez-Sabate; Debora Gil; Petia Radeva |
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Title |
A Deterministic-Statistical Strategy for Adventitia Segmentation in IVUS images |
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2005 |
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CVC Technical Report |
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89 |
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A useful tool for some specific studies in cardiac disease diagnosis is vessel plaque assessment by analysis of IVUS sequences. Manual detection of luminal (inner) and media-adventitia (external) vessel borders is the main activity of physicians in the process of lumen narrowing (plaque) quantification. Difficult definition of vessel border descriptors, as well as, shades, artifacts and blurred signal response due to ultrasound physical properties troubles automated adventitia segmentation. In order to efficiently approach such a complex problem, we propose blending advanced anisotropic filtering operators and statistical classification techniques into a vessel border modelling strategy. Our systematic statistical analysis shows that the reported adventitia detection achieves an accuracy in the range of inter-observer variability regardless of plaque nature, vessel geometry and incomplete vessel borders. |
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IAM; MILAB |
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IAM @ iam @ HGR2005a |
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1548 |
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Author |
Xavier Baro |
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Title |
Fast traffic sign detection on gray-scale images |
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2005 |
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CVC Technical Report #82 |
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OR;HuPBA;MV |
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BCNPCL @ bcnpcl @ Bar2005 |
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550 |
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Author |
Agata Lapedriza |
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Title |
Face Classification using External Face Features |
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2005 |
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CVC Technical Report #83 |
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OR;MV |
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BCNPCL @ bcnpcl @ Lap2005 |
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551 |
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Author |
Sergio Escalera |
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Fast traffic model matching and recognition on gray-scale images |
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2005 |
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CVC Technical Report #84 |
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MILAB; HuPBA |
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BCNPCL @ bcnpcl @ Esc2005 |
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572 |
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Joan Mas |
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Syntactic approaches to recognize bi-dimensional shapes in graphics recognition. Application to sketching interfaces |
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2005 |
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CVC Technical Report #86 |
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DAG @ dag @ Mas2005a |
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573 |
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Author |
Anton Cervantes |
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Title |
Biometric Newborn Identification |
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2005 |
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CVC Technical Report #87 |
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Admin @ si @ Cer2005 |
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574 |
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