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Author Bogdan Raducanu; Jordi Vitria
Title A Robust Particle Filter-Based Face Tracker Using Combination of Color and Geometric Information Type Book Chapter
Year 2006 Publication International Conference on Image Analysis and Recognition (ICIAR´06), LNCS 4141 (A. Campilho et al., eds.), 1: 922–933 Abbreviated Journal
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Notes OR;MV Approved no
Call Number BCNPCL @ bcnpcl @ RaV2006c Serial 715
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Author Marçal Rusiñol; Josep Llados
Title Symbol Spotting in Technical Drawings Using Vectorial Signatures Type Book Chapter
Year 2006 Publication Graphics Recognition: Ten Years Review and Future Perspectives, W. Liu, J. Llados (Eds.), LNCS 3926: 35–46 Abbreviated Journal
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Call Number DAG @ dag @ RuL2006a Serial 719
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Author Angel Sappa
Title Splitting up Panoramic Range Images into Compact 2½D Representations Type Journal
Year 2006 Publication International Journal of Imaging Systems and Technology, 16(3): 85–91 Abbreviated Journal
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Call Number ADAS @ adas @ Sap2006b Serial 721
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Author Jordi Vitria; M. Bressan; Petia Radeva
Title Bayesian classification of cork stoppers using class-conditional independent component analysis Type Journal
Year 2006 Publication IEEE Transactions on Systems, Man and Cybernetics (Part C), 36(6) Abbreviated Journal
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Call Number BCNPCL @ bcnpcl @ VBR2006 Serial 723
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Author Fadi Dornaika; Franck Davoine
Title On appearance based face and facial action tracking Type Journal
Year 2006 Publication IEEE Transactions on Circuits and Systems for Video Technology, 16(9): 1838–1853 Abbreviated Journal
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Call Number Admin @ si @ DoD2006b Serial 732
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Author Fadi Dornaika; J. Ahlberg
Title Fitting 3D face models for tracking and active appearance model training Type Journal
Year 2006 Publication Image and Vision Computing, 24(9): 1010–1024 Abbreviated Journal
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Call Number Admin @ si @ DoA2006 Serial 733
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Author Josep Llados
Title Computer Vision: Progress of Research and Development Type Book Whole
Year 2006 Publication 1st CVC Internal Workshop Computer Vision: Progress of Research and Development, Abbreviated Journal
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Publisher Place of Publication Editor J. Llados (ed.),
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ISSN ISBN 84-933652-8-9 Medium
Area Expedition Conference CVCRD
Notes DAG Approved no
Call Number DAG @ dag @ Lla2006b Serial 766
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Author Joaquin Salas; P. Martinez; Jordi Gonzalez
Title Background Updating with the Use of Intrinsic Curves Type Book Chapter
Year 2006 Publication International Conference on Image Analysis and Recognition (ICIAR´06), LNCS 4141 (A. Campilho et al., eds.), 1: 731–742, ISBN 978–3–540–44891–4 Abbreviated Journal
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Call Number ISE @ ise @ SMG2006 Serial 768
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Author F. Pla; Petia Radeva; Jordi Vitria
Title Pattern Recognition: Progress, Directions and Applications Type Book Whole
Year 2006 Publication Abbreviated Journal
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ISSN ISBN 84-933652-6-2 Medium
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Notes OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ PRV2006b Serial 771
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Author Ernest Valveny; Philippe Dosch; Adam Winstanley; Yu Zhou; Su Yang; Luo Yan; Liu Wenyin; Dave Elliman; Mathieu Nicolas Delalandre; Eric Trupin; Sebastien Adam; Jean-Marc Ogier
Title A general framework for the evaluation of symbol recognition methods Type Journal
Year 2006 Publication International Journal on Document Analysis and Recognition (IJDAR), 9(1): 59–74 Abbreviated Journal
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Call Number DAG @ dag @ VDW2006 Serial 801
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Author Joel Barajas; Jaume Garcia; Karla Lizbeth Caballero; Francesc Carreras; Sandra Pujades; Petia Radeva
Title Correction of Misalignment Artifacts Among 2-D Cardiac MR Images in 3-D Space Type Conference Article
Year 2006 Publication 1st International Wokshop on Computer Vision for Intravascular and Intracardiac Imaging (CVII’06) Abbreviated Journal
Volume 3217 Issue Pages 114-121
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Abstract Cardiac Magnetic Resonance images offer the opportunity to study the heart in detail. One of the main issues in its modelling is to create an accurate 3-D reconstruction of the left ventricle from 2-D views. A first step to achieve this goal is the correct registration among the different image planes due to patient movements. In this article, we present an accurate method to correct displacement artifacts using the Normalized Mutual Information. Here, the image views are treated as planes in order to diminish the approximation error caused by the association of a certain thickness, and moved simultaneously to avoid any kind of bias in the alignment process. This method has been validated using real and syntectic plane displacements, yielding promising results.
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Publisher Place of Publication Copenhagen (Denmark) Editor
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ISSN ISBN 978-3-540-22977-3 Medium
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Notes IAM;MILAB Approved no
Call Number IAM @ iam @ BGC2006 Serial 1485
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Author Paula Fritzsche; C.Roig; Ana Ripoll; Emilio Luque; Aura Hernandez-Sabate
Title A Performance Prediction Methodology for Data-dependent Parallel Applications Type Conference Article
Year 2006 Publication Proceedings of the IEEE International Conference on Cluster Computing Abbreviated Journal
Volume Issue Pages 1-8
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Abstract The increase in the use of parallel distributed architectures in order to solve large-scale scientific problems has generated the need for performance prediction for both deterministic applications and non-deterministic applications. In particular, the performance prediction of data dependent programs is an extremely challenging problem because for a specific issue the input datasets may cause different execution times. Generally, a parallel application is characterized as a collection of tasks and their interrelations. If the application is time-critical it is not enough to work with only one value per task, and consequently knowledge of the distribution of task execution times is crucial. The development of a new prediction methodology to estimate the performance of data-dependent parallel applications is the primary target of this study. This approach makes it possible to evaluate the parallel performance of an application without the need of implementation. A real data-dependent arterial structure detection application model is used to apply the methodology proposed. The predicted times obtained using the new methodology for genuine datasets are compared with predicted times that arise from using only one execution value per task. Finally, the experimental study shows that the new methodology generates more precise predictions.
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Call Number IAM @ iam @ FRR2006 Serial 1497
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Author Jaume Garcia; Debora Gil; Joel Barajas; Francesc Carreras; Sandra Pujades; Petia Radeva
Title Characterization of ventricular torsion in healthy subjects using Gabor filters and a variational framework Type Conference Article
Year 2006 Publication Proc. Computers in Cardiology Abbreviated Journal
Volume Issue Pages 877-880
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Abstract In this work, we present a fully automated method for tissue deformation estimation in tagged magnetic resonance images (TMRI). Gabor filter banks, tuned independently for each left ventricle level, provide optimally filtered complex images which phase remains constant along the cardiac cycle. This fact can be thought as the brightness constancy condition required by classical optical flow (OF) methods. Pairs of these filtered sequences, together with a variational formulation are used in a second step to obtain dense continuous deformation maps that we call Harmonic Phase Flow. This method has been used to determine reference values of ventricular torsion (VT) in a set of 8 healthy volunteers. The results encourage the use of VT as a useful parameter for ventricular function assessment in clinical routine.
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Notes IAM;MILAB Approved no
Call Number IAM @ iam @ GGB2006a Serial 1509
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Author Enrique Cabello; Cristina Conde; Angel Serrano; Licesio Rodriguez; David Vazquez
Title Empleo de sistemas biométricos para el reconocimiento de personas en aeropuertos Type Journal Article
Year 2006 Publication Instituto Universitario de Investigación sobre Seguridad Interior (IUSI 2006) Abbreviated Journal
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Keywords Surveillance; Face detection; Face recognition
Abstract El presente proyecto se desarrolló a lo largo del año 2005, probando un prototipo de un sistema de verificación facial con imágenes extraídas de las cámaras de video vigilancia del aeropuerto de Barajas. Se diseñaron varios experimentos, agrupados en dos clases. En el primer tipo, el sistema es entrenado con imágenes obtenidas en condiciones de laboratorio y luego probado con imágenes extraídas de las cámaras de video vigilancia del aeropuerto de Barajas. En el segundo caso, tanto las imágenes de entrenamiento como las de prueba corresponden a imágenes extraídas de Barajas. Se ha desarrollado un sistema completo, que incluye adquisición y digitalización de las imágenes, localización y recorte de las caras en escena, verificación de sujetos y obtención de resultados. Los resultados muestran, que, en general, un sistema de verificación facial basado en imágenes puede ser una ayuda a un operario que deba estar vigilando amplias zonas.
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Notes invisible;ADAS Approved no
Call Number ADAS @ adas @ CCS2006a Serial 1672
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Author Debora Gil; Jose Maria-Carazo; Roberto Marabini
Title On the nature of 2D crystal unbending Type Journal Article
Year 2006 Publication Journal of Structural Biology Abbreviated Journal
Volume 156 Issue 3 Pages 546-555
Keywords Electron microscopy
Abstract Crystal unbending, the process that aims to recover a perfect crystal from experimental data, is one of the more important steps in electron crystallography image processing. The unbending process involves three steps: estimation of the unit cell displacements from their ideal positions, extension of the deformation field to the whole image and transformation of the image in order to recover an ideal crystal. In this work, we present a systematic analysis of the second step oriented to address two issues. First, whether the unit cells remain undistorted and only the distance between them should be changed (rigid case) or should be modified with the same deformation suffered by the whole crystal (elastic case). Second, the performance of different extension algorithms (interpolation versus approximation) is explored. Our experiments show that there is no difference between elastic and rigid cases or among the extension algorithms. This implies that the deformation fields are constant over large areas. Furthermore, our results indicate that the main source of error is the transformation of the crystal image.
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ISSN 1047-8477 ISBN Medium
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Notes IAM; Approved no
Call Number IAM @ iam @ GCM2006 Serial 1519
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