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Gemma Sanchez; Ernest Valveny; Josep Llados; Enric Marti; Oriol Ramos Terrades; N.Lozano; Joan Mas |
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A system for virtual prototyping of architectural projects |
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2003 |
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Proceedings of Fifth IAPR International Workshop on Pattern Recognition |
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65-74 |
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DAG;IAM |
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IAM @ iam @ SVL2003 |
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1650 |
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Author |
Ernest Valveny; Enric Marti |
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Title |
A model for image generation and symbol recognition through the deformation of lineal shapes |
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2003 |
Publication |
Pattern Recognition Letters |
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PRL |
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24 |
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15 |
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2857-2867 |
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We describe a general framework for the recognition of distorted images of lineal shapes, which relies on three items: a model to represent lineal shapes and their deformations, a model for the generation of distorted binary images and the combination of both models in a common probabilistic framework, where the generation of deformations is related to an internal energy, and the generation of binary images to an external energy. Then, recognition consists in the minimization of a global energy function, performed by using the EM algorithm. This general framework has been applied to the recognition of hand-drawn lineal symbols in graphic documents. |
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Elsevier Science Inc. |
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New York, NY, USA |
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0167-8655 |
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DAG; IAM |
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IAM @ iam @ VAM2003 |
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1653 |
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David Masip; Jordi Vitria |
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On the Nearest Neighbor Approach for Gender Recognition |
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Conference Article |
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2003 |
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In I. Aguilo, Ll. Valverde M.T. Escrig, editors.Artificial Intelligence Research and Development. Proceedings of the International Conference of the Catalan Association for Artificial Intelligence" . |
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178-188 |
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Amsterdam |
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IOS PRESS |
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CCIA |
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OR;MV |
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BCNPCL @ bcnpcl @ MaV2003b |
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387 |
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Author |
Fernando Vilariño; Petia Radeva |
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Title |
Cardiac Segmentation with Discriminant Active Contours |
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2003 |
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211–217 |
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Dynamic tracking of heart moving is one relevant target in medical imag- ing and can be helpful for analyzing heart dynamics in the study of several cardiac diseases. For this aim, a previous segmentation problem of such structures is stated, based on certain relevant features (like edges or intensity levels, textures, etc.) Clas- sical active models have been used, but they fail when overlapping structures or not well-defined contours are present. Automatic feature learning systems may be a pow- erful tool. Discriminant active contours present optimal results in this kind of problem. They are a kind of deformable models that converge to an optimal object segmenta- tion that dynamically adapts to the object contour. The feature space is designed from a filter bank in order to guarantee the search and learning of the set of relevant fea- tures for optimal classification on each part of the object. Tracking of target evolution is obtained through the whole set of images, using information from the actual and previous stages. Feedback systems are implemented to guarantee the minimum well- separable classification set in each segmentation step. Our implementation has been proved with several series of Magnetic Resonance with improved results in segmenta- tion in comparison to previous methods. |
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Palma de Mallorca |
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IOS Press |
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MV;MILAB;SIAI |
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BCNPCL @ bcnpcl @ ViR2003; IAM @ iam @ VRa2003 |
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426 |
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Author |
B. Moghaddam; David Guillamet; Jordi Vitria |
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Title |
Local Appearance-Based Models using High-Order Statistics of Image Features |
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Conference Article |
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2003 |
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IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) |
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Madison, WI, USA |
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CVPR |
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OR;MV |
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BCNPCL @ bcnpcl @ MGV2003 |
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395 |
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Author |
Oriol Rodriguez-Leor; J. Mauri; Eduard Fernandez-Nofrerias; C. Garcia; R. Villuendas; Vicente del Valle; Debora Gil; Petia Radeva |
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Title |
Reconstruction of a spatio-temporal model of the intima layer from intravascular ultrasound sequences |
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Journal Article |
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2003 |
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European Heart Journal |
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ESC Congress |
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IAM;MILAB |
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IAM @ iam @ RMF2003c |
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1641 |
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Author |
Agnes Borras; Francesc Tous; Josep Llados; Maria Vanrell |
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Title |
High-Level Clothes Description Based on Colour-Texture and Structural Features |
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Conference Article |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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108-116 |
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Abstract |
ecture Notes in Computer Science 2652 108–116 |
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Palma de Mallorca |
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IbPRIA |
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DAG;CIC |
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no |
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CAT @ cat @ BTL2003b |
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369 |
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Author |
David Guillamet; B. Moghaddam; Jordi Vitria |
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Title |
Modeling High-Order Dependencies in Local Appearance Models |
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Conference Article |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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308-316 |
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Springer-Verlag |
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IbPRIA |
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OR;MV |
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BCNPCL @ bcnpcl @ GMV2003a |
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376 |
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Author |
David Guillamet; Jordi Vitria |
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Title |
An Experimental Evaluation of K-nn for Linear Transforms of Positive Data |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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317-325 |
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Springer-Verlag |
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OR;MV |
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BCNPCL @ bcnpcl @ GuV2003a |
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379 |
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Author |
David Lloret; Joan Serrat; Antonio Lopez; Juan J. Villanueva |
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Title |
Ultrasound to MR Volume Registration for Brain Sinking Measurement |
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Conference Article |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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420-427 |
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Springer-Verlag |
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ADAS |
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ADAS @ adas @ LSL2003a |
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384 |
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Author |
David Masip; Jordi Vitria |
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Title |
An Experimental Comparision of Dimensionality Reduction for Face Verification Methods |
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Conference Article |
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2003 |
Publication |
1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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530-537 |
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Springer-Verlag |
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OR;MV |
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BCNPCL @ bcnpcl @ MaV2003a |
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386 |
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Author |
Daniel Ponsa; Xavier Roca |
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Title |
Multiple Model Approach to Deformable Shape Tracking |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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782-792 |
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Springer-Verlag |
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IbPRIA |
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ADAS;ISE |
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ADAS @ adas @ PoR2003 |
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397 |
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Author |
Anna Salvatella; Maria Vanrell; Ramon Baldrich |
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Subtexture Components for Texture Description |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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2652 |
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884-892 |
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Springer-Verlag |
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CIC |
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CAT @ cat @ SVR2003 |
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421 |
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David Guillamet; B. Moghaddam; Jordi Vitria |
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Title |
Higher-Order Dependencies in Local Appearance Models |
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2003 |
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IEEE International Conference on Image Processing (ICIP) |
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Barcelona, Spain |
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ICIP |
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OR;MV |
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BCNPCL @ bcnpcl @ GMV2003b |
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377 |
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Author |
Debora Gil; Petia Radeva; Fernando Vilariño |
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Title |
Anisotropic Contour Completion |
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Conference Article |
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2003 |
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Proceedings of the IEEE International Conference on Image Processing |
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I-869 |
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In this paper we introduce a novel application of the diffusion tensor for anisotropic image processing. The Anisotropic Contour Completion (ACC) we suggest consists in extending the characteristic function of the open curve by means of a degenerated diffusion tensor that prevents any diffusion in the normal direction. We show that ACC is equivalent to a dilation with a continuous elliptic structural element that takes into account the local orientation of the contours to be closed. Experiments on contours extracted from real images show that ACC produces shapes able to adapt to any curve in an active contour framework. 1. |
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Barcelona, Spain |
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Barcelona, Spain |
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0-7803-7751-6 |
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ICIP |
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IAM;MV;MILAB;SIAI |
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IAM @ iam @ GRV2003 |
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1539 |
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