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Cristina Cañero; Petia Radeva; Oriol Pujol; Ricardo Toledo; Debora Gil; J. Saludes; Juan J. Villanueva; B. Garcia del Blanco; J. Mauri; E. Fernandez-Nofrerias; J.A. Gomez-Hospital; E. Iraculis; J. Comin; C. Quiles; F. Jara; A. Cequier; E. Esplugas |
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Title |
Optimal Stent Implantation: Three-dimensional Evaluation of the Mutual Position of Stent and Vessel via Intracoronary Ecography |
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1999 |
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Proceedings of International Conference on Computer in Cardiology (CIC´99) |
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We present a new automatic technique to visualize and quantify the mutual position between the stent and the vessel wall by considering their three-dimensional reconstruction. Two deformable generalized cylinders adapt to the image features in all IVUS planes corresponding to the vessel wall and the stent in order to reconstruct the boundaries of the stent and the vessel in space. The image features that characterize the stent and the vessel wall are determined in terms of edge and ridge image detectors taking into account the gray level of the image pixels. We show that the 30 reconstruction by deformable cylinders is accurate and robust due to the spatial data coherence in the considered volumetric IVUS image. The main clinic utility of the stent and vessel reconstruction by deformable’ cylinders consists of its possibility to visualize and to assess the optimal stent introduction. |
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MILAB; RV; IAM; ADAS; HuPBA |
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IAM @ iam @ CRP1999a |
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1491 |
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Author |
Petia Radeva; Ricardo Toledo; Craig Von Land; Juan J. Villanueva |
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Title |
3D Vessel Reconstruction from Biplane Angiograms using Snakes. |
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1998 |
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Cleveland, OH |
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MILAB;ADAS |
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BCNPCL @ bcnpcl @ RTV1998a |
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198 |
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Petia Radeva; Ricardo Toledo; Craig Von Land; Juan J. Villanueva |
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Title |
3D Dynamic Model of the Coronary Tree. |
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1998 |
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Cleveland, OH |
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MILAB;ADAS |
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BCNPCL @ bcnpcl @ RTV1998b |
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200 |
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Author |
Cristina Cañero; Petia Radeva; Ricardo Toledo; Juan J. Villanueva; J. Mauri |
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Title |
3D Curve Reconstruction by Biplane Snakes. |
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Miscellaneous |
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2000 |
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15 th International Conference on Pattern Recognition, 4:563–566. |
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Barcelona. |
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MILAB;ADAS |
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BCNPCL @ bcnpcl @ CRT2000 |
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238 |
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Author |
J. Mauri; E Fernandez-Nofrerias; E. Esplugas; A. Cequier; David Rotger; Ricardo Toledo; Petia Radeva; ; Juan J. Villanueva |
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Title |
Ecografia Intracoronaria: Navegacion Informatica por el cubo de datos de las imagenes. |
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Miscellaneous |
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2000 |
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Congreso de la Sociedad Española de Cardiologia. |
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Granada. |
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MILAB;ADAS |
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BCNPCL @ bcnpcl @ MNE2000 |
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356 |
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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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Author |
Petia Radeva; Joan Serrat; Enric Marti |
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A snake for model-based segmentation |
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1995 |
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Proc. Conf. Fifth Int Computer Vision |
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816-821 |
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snakes; elastic matching; model-based segmenta tion |
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Despite the promising results of numerous applications, the hitherto proposed snake techniques share some common problems: snake attraction by spurious edge points, snake degeneration (shrinking and attening), convergence and stability of the deformation process, snake initialization and local determination of the parameters of elasticity. We argue here that these problems can be solved only when all the snake aspects are considered. The snakes proposed here implement a new potential eld and external force in order to provide a deformation convergence, attraction by both near and far edges as well as snake behaviour selective according to the edge orientation. Furthermore, we conclude that in the case of model-based seg mentation, the internal force should include structural information about the expected snake shape. Experiments using this kind of snakes for segmenting bones in complex hand radiographs show a signi cant improvement. |
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MILAB;ADAS;IAM |
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IAM @ iam @ RSM1995 |
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1634 |
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Author |
Robert Benavente; Laura Igual; Fernando Vilariño |
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Title |
Current Challenges in Computer Vision |
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2008 |
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Proccedings of the Third Internal Workshop |
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978-84-936529-0-6 |
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CVCRD |
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MILAB;CIC;SIAI |
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BCNPCL @ bcnpcl @ BIV2008 |
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1110 |
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Author |
Ricardo Toledo; Ramon Baldrich; Ernest Valveny; Petia Radeva |
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Enhancing snakes for vessel detection in angiography images. |
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Miscellaneous |
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2002 |
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Proceedings of the Second IASTED International Conference Visualization, Imaging and Image Proceesing VIIP 2002: 139–144. |
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MILAB;DAG;CIC;ADAS |
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BCNPCL @ bcnpcl @ TBV2002 |
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300 |
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Author |
Alicia Fornes; Sergio Escalera; Josep Llados; Gemma Sanchez; Petia Radeva; Oriol Pujol |
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Title |
Handwritten Symbol Recognition by a Boosted Blurred Shape Model with Error Correction |
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2007 |
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3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:13–21 |
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Girona (Spain) |
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MILAB;DAG;HUPBA |
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BCNPCL @ bcnpcl @ FEL2007a |
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775 |
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Author |
Oriol Pujol; Petia Radeva; J. Mauri; E Fernandez-Nofrerias |
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Title |
Automatic segmentation of lumen in Intravascular Ultrasound Images: An evaluation of texture feature extractors. |
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2002 |
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Iberoamerican Conference on Artificial Intelligence IBERAMIA 2002, Springer Verlag |
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Sevilla, Espanya |
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MILAB;HuPBA |
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BCNPCL @ bcnpcl @ PRM2002 |
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314 |
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Author |
Oriol Pujol; Petia Radeva |
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Title |
Lumen Detection in Ivus Image Using Snakes in a Statical Framework. |
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2002 |
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XX Congreso Anual de la Sociedad Española de Ingenieria Biomedica CASEIB 2002, 1: 129–132. |
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Saragossa, Espanya |
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MILAB;HuPBA |
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BCNPCL @ bcnpcl @ PuR2002 |
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315 |
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Author |
Oriol Pujol; Misael Rosales; Petia Radeva; E Fernandez-Nofrerias |
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Title |
Intravascular Ultrasound Images Vessel Characterization using AdaBoost |
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2003 |
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Proceedings on FIMH |
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Lyon, France |
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BCNPCL @ bcnpcl @ PRR2003a |
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400 |
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Oriol Pujol; David Rotger; Petia Radeva; O. Rodriguez; J. Mauri |
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Title |
Near Real Time Plaque Segmentation of IVUS |
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Miscellaneous |
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2003 |
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Proceedings of Computers in Cardiology |
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Thessaloniki |
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BCNPCL @ bcnpcl @ PRR2003b |
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401 |
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Oriol Rodriguez-Leor; E. Fernandez-Nofrerias; J. Mauri; C. Garcia; R. Villuendas; V. Valle; Oriol Pujol; Petia Radeva |
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Intravascular ultrasound segmentation using local binary patterns |
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2003 |
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European Heart Journal (IF: 5.997), ESC Congress 2003 |
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Vienna (Austria) |
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BCNPCL @ bcnpcl @ RFM2003a |
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407 |
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