| Records |
| Author |
Jaume Garcia; Debora Gil; Sandra Pujades; Francesc Carreras |
| Title |
Valoracion de la Funcion del Ventriculo Izquierdo mediante Modelos Regionales Hiperparametricos |
Type |
Journal Article |
| Year |
2008 |
Publication |
Revista Española de Cardiologia |
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| Volume |
61 |
Issue |
3 |
Pages |
79 |
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| Abstract |
La mayoría de la enfermedades cardiovasculares afectan a las propiedades contráctiles de la banda ventricular helicoidal. Esto se refleja en una variación del comportamiento normal de la función ventricular. Parámetros locales tales como los strains, o la deformación experimentada por el tejido, son indicadores capaces de detectar anomalías funcionales en territorios específicos. A menudo, dichos parámetros son considerados de forma separada. En este trabajo presentamos un marco computacional (el Dominio Paramétrico Normalizado, DPN) que permite integrarlos en hiperparámetros funcionales y estudiar sus rangos de normalidad. Dichos rangos permiten valorar de forma objetiva la función regional de cualquier nuevo paciente. Para ello, consideramos secuencias de resonancia magnética etiquetada a nivel basal, medio y apical. Los hiperparámetros se obtienen a partir del movimiento intramural del VI estimado mediante el método Harmonic Phase Flow. El DPN se define a partir de en una parametrización del Ventrículo Izquierdo (VI) en sus coordenadas radiales y circunferencial basada en criterios anatómicos. El paso de los hiperparámetros al DPN hace posible la comparación entre distintos pacientes. Los rangos de normalidad se definen mediante análisis estadístico de valores de voluntarios sanos en 45 regiones del DPN a lo largo de 9 fases sistólicas. Se ha usado un conjunto de 19 (14 H; E: 30.7±7.5) voluntarios sanos para crear los patrones de normalidad y se han validado usando 2 controles sanos y 3 pacientes afectados de contractilidad global reducida. Para los controles los resultados regionales se han ajustado dentro de la normalidad, mientras que para los pacientes se han obtenido valores anormales en las zonas descritas, localizando y cuantificando así el diagnóstico empírico. |
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IAM; |
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IAM @ iam @ GRP2008 |
Serial |
1032 |
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| Author |
C. Santa-Marta; Jaume Garcia; A. Bajo; J.J. Vaquero; M. Ledesma-Carbayo; Debora Gil |
| Title |
Influence of the Temporal Resolution on the Quantification of Displacement Fields in Cardiac Magnetic Resonance Tagged Images |
Type |
Conference Article |
| Year |
2008 |
Publication |
XXVI Congreso Anual de la Sociedad Española de Ingenieria Biomedica |
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| Volume |
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Issue |
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Pages |
352–353 |
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It is difficult to acquire tagged cardiac MR images with a high temporal and spatial resolution using clinical MR scanners. However, if such images are used for quantifying scores based on motion, it is essential a resolution as high as possibl e. This paper explores the influence of the temporal resolution of a tagged series on the quantification of myocardial dynamic parameters. To such purpose we have designed a SPAMM (Spatial Modulation of Magnetization) sequence allowing acquisition of sequences at simple and double temporal resolution. Sequences are processed to compute myocardial motion by an automatic technique based on the tracking of the harmonic phase of tagged images (the Harmonic Phase Flow, HPF). The results have been compared to manual tracking of myocardial tags. The error in displacement fields for double resolution sequences reduces 17%. |
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Valladolid |
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Roberto hornero, Saniel Abasolo |
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CASEIB |
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IAM; |
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no |
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IAM @ iam @ SGB2008 |
Serial |
1033 |
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| Author |
Fadi Dornaika; Bogdan Raducanu |
| Title |
Facial Expression Recognition for HCI Applications |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Encyclopedia of Artificial Intelligence |
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| Volume |
II |
Issue |
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Pages |
625–631 |
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IGI–Global Publisher |
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Rabuñal |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ DoR2008c |
Serial |
1034 |
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| Author |
Bogdan Raducanu; Fadi Dornaika |
| Title |
Dynamic Vs. Static Recognition of Facial Expressions |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Ambient Intelligence. European Conference |
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| Volume |
5355 |
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Pages |
13–25 |
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Nuremberg (Germany) |
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Rabuñal |
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LNCS |
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AMI |
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OR; MV |
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no |
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BCNPCL @ bcnpcl @ RaD2008 |
Serial |
1035 |
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| Author |
Oriol Rodriguez-Leor; Carlo Gatta; E. Fernandez-Nofrerias; Oriol Pujol; Neus Salvatella; C. Bosch; H. Tizon; Petia Radeva; J. Mauri |
| Title |
Computationally Efficient Image-based IVUS Pullbacks Gating |
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Journal |
| Year |
2008 |
Publication |
European Heart Journal, ESC Supplement, Munich, 2008, p. 775 |
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MILAB;HuPBA |
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no |
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BCNPCL @ bcnpcl @ RGF2008 |
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1036 |
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| Author |
Carlo Gatta; Oriol Pujol; Oriol Rodriguez-Leor; J. Mauri; Petia Radeva |
| Title |
Robust Image-based IVUS Pullbacks Gating |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Proceedings 11th International ConferenceMedical Image Computing and Computer–Assisted Intervention |
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5242 |
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518–525 |
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NY (USA) |
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LNCS |
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MICCAI |
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MILAB;HuPBA |
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no |
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BCNPCL @ bcnpcl @ GPR2008a |
Serial |
1037 |
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| Author |
Carlo Gatta; Oriol Pujol; Oriol Rodriguez-Leor; J. Mauri; Petia Radeva |
| Title |
Improved Rigid Registration of Vessel Structures using the Fast Radial Symmetry Transform |
Type |
Conference Article |
| Year |
2008 |
Publication |
Computer Vision for Intravascular Imaging CVII’08 Workshop Medical Image Computing and Computer–Assisted Intervention , 11th International Conference |
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128–136 |
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NY (USA) |
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MICCAI |
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MILAB;HUPBA |
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no |
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BCNPCL @ bcnpcl @ GPR2008b |
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1038 |
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| Author |
Carolina Malagelada; Fosca De Iorio; Fernando Azpiroz; Anna Accarino; Santiago Segui; Petia Radeva; Juan R. Malagelada |
| Title |
New Insight Into Intestinal Motor Function via Noninvasive Endoluminal Image Analysis |
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Journal |
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2008 |
Publication |
Gastroenterology |
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135 |
Issue |
4 |
Pages |
1155–1162 |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ MDA2008 |
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1040 |
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| Author |
Carme Julia; Angel Sappa; Felipe Lumbreras; Joan Serrat; Antonio Lopez |
| Title |
An Adapted Alternation Approach for Recommender Systems |
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Conference Article |
| Year |
2008 |
Publication |
IEEE International Conference on e–Business Engineering, |
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128–135 |
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This paper presents an adaptation of the alternation technique to tackle the prediction task in recommender systems. These systems are widely considered in electronic commerce to help customers to find products they will probably like or dislike. As the SVD-based approaches, the proposed adapted alternation technique uses all the information stored in the system to find the predictions. The main advantage of this technique with respect to the SVD-based ones is that it can deal with missing data. Furthermore, it has a smaller computational cost. Experimental results with public data sets are provided in order to show the viability of the proposed adapted alternation approach. |
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Xi’an (Xina) |
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ADAS |
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no |
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ADAS @ adas @ JSL2008e |
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1044 |
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| Author |
Jose Manuel Alvarez; Antonio Lopez; Ramon Baldrich |
| Title |
Illuminant Invariant Model-Based Road Segmentation |
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Conference Article |
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2008 |
Publication |
IEEE Intelligent Vehicles Symposium, |
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1155–1180 |
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road detection |
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Eindhoven (The Netherlands) |
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ADAS;CIC |
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no |
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ADAS @ adas @ ALB2008 |
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1045 |
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| Author |
Partha Pratim Roy; Umapada Pal; Josep Llados |
| Title |
Multi-oriented English Text Line Extraction using Background and Foreground Information |
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Conference Article |
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2008 |
Publication |
Proceedings of the 8th IAPR International Workshop on Document Analysis Systems, |
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315–322 |
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Nara (Japo) |
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DAG |
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DAG @ dag @ RPL2008b |
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1047 |
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| Author |
Partha Pratim Roy; Umapada Pal; Josep Llados |
| Title |
Morphology Based Handwritten Line Segmentation using Foreground and Background Information |
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Conference Article |
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2008 |
Publication |
International Conference on Frontiers in Handwriting Recognition, |
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241–246 |
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Montreal (Canada) |
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ICFHR |
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DAG |
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no |
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DAG @ dag @ RPL2008a |
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1050 |
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| Author |
Alfons Juan-Ciscar; Gemma Sanchez |
| Title |
PRIS 2008. Pattern Recognition in Information Systems. Proceedings of the 8th international Workshop on Pattern Recognition in Information systems – PRIS 2008, in conjunction with ICEIS 2008 |
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Book Whole |
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2008 |
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Barcelona (Spain) |
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DAG |
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no |
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DAG @ dag @ JuS2008 |
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1054 |
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| Author |
Xavier Otazu; Maria Vanrell; C. Alejandro Parraga |
| Title |
Colour induction effects are modelled by a low-level multiresolution wavelet framework |
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2008 |
Publication |
Perception 37(Suppl.): 107 |
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CIC |
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no |
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CAT @ cat @ OVP2008b |
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1055 |
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| Author |
Hugo Berti; Angel Sappa; Osvaldo Agamennoni |
| Title |
Improved Dynamic Window Approach by Using Lyapunov Stability Criteria |
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Journal |
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2008 |
Publication |
Latin American Applied Research |
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38 |
Issue |
4 |
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289–298 |
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ADAS |
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ADAS @ adas @ BSA2008 |
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1056 |
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