Records |
Author |
Enric Marti; Jaume Rocarias; Petia Radeva; Ricardo Toledo; Jordi Vitria |
Title |
Caronte: diseño, implementación y mejora de actividades de evaluación y primeras experiencias en asignaturas |
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Miscellaneous |
Year |
2008 |
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Lleida |
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IAM;RV;OR;MILAB;ADAS;MV |
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IAM @ iam @ MRR2008 |
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1612 |
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Author |
Enric Marti; Jaume Rocarias; Petia Radeva; Ricardo Toledo; Jordi Vitria |
Title |
Caronte: implementació i millora d activitats d avaluació i primeres experiències amb diferents organitzacions docents |
Type |
Miscellaneous |
Year |
2007 |
Publication |
IV Jornades d’Innovació Docent UAB |
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Bellaterra (Spain) |
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IAM;RV;OR;MILAB;ADAS;MV |
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IAM @ iam @ MRR2007 |
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1614 |
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Author |
Enric Marti; Jordi Rocarias; Ricardo Toledo |
Title |
Caront: gestió flexible de grups d’alumnes en una asignatura i activitats sobre grups. Nova activitat de control |
Type |
Miscellaneous |
Year |
2008 |
Publication |
V Jornades d’Innovació Docent |
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IAM;RV;CIC;ADAS |
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no |
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IAM @ iam @ MRT2008a |
Serial |
1617 |
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Author |
Enric Marti; Jaume Rocarias; Ricardo Toledo |
Title |
Caronte: gestión flexible de grupos de alumnos en asignaturas de universidad y actividades sobre estos grupos |
Type |
Miscellaneous |
Year |
2008 |
Publication |
Nueva actividad de control, MoodleMoot 2008 |
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Barcelona |
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IAM;RV;ADAS |
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no |
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IAM @ iam @ MRT2008b |
Serial |
1618 |
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Author |
Enric Marti; Jordi Vitria; Alberto Sanfeliu |
Title |
Reconocimiento de Formas y Análisis de Imágenes |
Type |
Book Whole |
Year |
1998 |
Publication |
Asociación Española de Reconocimientos de Formas y Análisis de Imágenes |
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Los sistemas actuales de reconocimiento automático del lenguaje oral se basan en dos etapas básicas de procesado: la parametrización, que extrae la evolución temporal de los parámetros que caracterizan la voz, y el reconocimiento propiamente dicho, que identifica la cadena de palabras de la elocución recibida con ayuda de los modelos que representan el conocimiento adquirido en la etapa de aprendizaje. Tomando como línea divisoria la palabra, dichos modelos son de tipo acústicofonético o gramatical. Los primeros caracterizan las palabras incluidas en el vocabulario de la aplicación o tarea a la que está orientado el sistema de reconocimiento, usando a menudo para ello modelos de unidades de habla de extensión inferior a la palabra, es decir, de unidades subléxicas. Por otro lado, la gramática incluye el conocimiento acerca de las combinaciones permitidas de palabras para formar las frases o su probabilidad. Queda fuera del esquema la denominada comprensión del habla, que utiliza adicionalmente el conocimiento semántico y pragmático para captar el significado de la elocución de entrada al sistema a partir de la cadena (o cadenas alternativas) de palabras que suministra el reconocedor. |
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AERFAI |
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ISBN |
84–922529–4–4 |
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Notes |
IAM;OR;MV |
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no |
Call Number |
IAM @ iam @ MVS1998 |
Serial |
1620 |
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Author |
J. Mauri; Eduard Fernandez-Nofrerias; B. Garcia del Blanco; E. Iraculis; J.A. Gomez-Hospital; J. Comin; M.A. Sanchez Corral; F. Jara; A. Cequier; E. Esplugas; Debora Gil; J. Saludes; Petia Radeva; Ricardo Toledo; Juan J.Villanueva |
Title |
Moviment del vas en l anàlisi d imatges d ecografia intracoronària: un model matemàtic |
Type |
Conference Article |
Year |
2000 |
Publication |
Congrés de la Societat Catalana de Cardiologia. |
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Notes |
IAM;RV;ISE;MILAB;ADAS |
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no |
Call Number |
IAM @ iam @ MNG2000 |
Serial |
1621 |
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Author |
J. Mauri; Eduard Fernandez-Nofrerias; J. Comin; B. Garcia del Blanco; E. Iraculis; J.A. Gomez-Hospital; P. Valdovinos; F. Jara; A. Cequier; E. Esplugas; Oriol Pujol; Cristina Cañero; Debora Gil; Petia Radeva; Ricardo Toledo |
Title |
Avaluació del Conjunt Stent/Artèria mitjançant ecografia intracoronària: lentorn informàtic |
Type |
Conference Article |
Year |
2000 |
Publication |
Congrés de la Societat Catalana de Cardiologia. |
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Notes |
IAM;RV;MILAB;ADAS;HuPBA |
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no |
Call Number |
IAM @ iam @ MNC2000 |
Serial |
1622 |
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Author |
J.A.Perez; Enric Marti; Juan J.Villanueva |
Title |
Interfase de Usuario de Entrada de Datos 3D en un CAD de Cartografía Urbana a partir de Pares Estereoscópicos |
Type |
Conference Article |
Year |
1992 |
Publication |
II Congreso Español de Informática Gráfica |
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47-60 |
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CEIG |
Notes |
IAM;ISE |
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no |
Call Number |
IAM @ iam @ PVM1992 |
Serial |
1624 |
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Author |
Ferran Poveda |
Title |
Visualització i interpretació tridimensional de l’arquitectura de les fibres musculars del miocardi |
Type |
Report |
Year |
2009 |
Publication |
Master en Tecnologies Multimedia |
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Master's thesis |
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Place of Publication |
08193 Bellaterra, Barcelona (Spain) |
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IAM; |
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no |
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IAM @ iam @ Pov2009 |
Serial |
1625 |
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Author |
Ferran Poveda; Jaume Garcia; Enric Marti; Debora Gil |
Title |
Validation of the myocardial architecture in DT-MRI tractography |
Type |
Conference Article |
Year |
2010 |
Publication |
Medical Image Computing in Catalunya: Graduate Student Workshop |
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29-30 |
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Deep understanding of myocardial structure may help to link form and funcion of the heart unraveling crucial knowledge for medical and surgical clinical procedures and studies. In this work we introduce two visualization techniques based on DT-MRI streamlining able to decipher interesting properties of the architectural organization of the heart. |
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Girona (Spain) |
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MICCAT |
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IAM |
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no |
Call Number |
IAM @ iam @ PGM2010 |
Serial |
1626 |
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Author |
Petia Radeva; A.Amini; J.Huang; Enric Marti |
Title |
Deformable B-Solids and Implicit Snakes for Localization and Tracking of SPAMM MRI-Data |
Type |
Conference Article |
Year |
1996 |
Publication |
Workshop on Mathematical Methods in Biomedical Image Analysis |
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192-201 |
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Abstract |
To date, MRI-SPAMM data from different image slices have been analyzed independently. In this paper, we propose an approach for 3D tag localization and tracking of SPAMM data by a novel deformable B-solid. The solid is defined in terms of a 3D tensor product B-spline. The isoparametric curves of the B-spline solid have special importance. These are termed implicit snakes as they deform under image forces from tag lines in different image slices. The localization and tracking of tag lines is performed under constraints of continuity and smoothness of the B-solid. The framework unifies the problems of localization, and displacement fitting and interpolation into the same procedure utilizing B-spline bases for interpolation. To track motion from boundaries and restrict image forces to the myocardium, a volumetric model is employed as a pair of coupled endocardial and epicardial B-spline surfaces. To recover deformations in the LV an energy-minimization problem is posed where both tag and ... |
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San Francisco CA |
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IEEE Computer Society |
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ISBN |
0-8186-7368-0 |
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Conference |
MMBIA ’96 |
Notes |
MILAB;IAM; |
Approved |
no |
Call Number |
IAM @ iam @ RAH1996 |
Serial |
1630 |
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Author |
Petia Radeva; Amir Amini; Jintao Huang; Enric Marti |
Title |
Deformable B-Solids: application for localization and tracking of MRI-SPAMM data |
Type |
Report |
Year |
1996 |
Publication |
CVC Technical Report |
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Issue |
8 |
Pages |
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Abstract |
To date, MRI-SPAMM data from different image slices have been analyzed independently. In this paper, we propose an approach for 3D tag localization and tracking of SPAMM data by a novel deformable B-solid. The solid is defined in terms of a 3D tensor product B-spline. The isoparametric curves of the B-spline solid have special importance. These are termed implicit snakes as they deform under image forces from tag lines in different image slices. The localization and tracking of tag lines is performed under constraints of continuity and smoothness of the B-solid. The framework unifies the problems of localization, and displacement fitting and interpolation into the same procedure utilizing B-spline bases for interpolation. To track motion from boundaries and restrict image forces to the myocardium, a volumetric model is employed as a pair of coupled endocardial and epicardial B-spline surfaces. To recover deformations in the LV an energy-minimization problem is posed where both tag and ... |
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CVC (UAB) |
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MILAB;IAM |
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no |
Call Number |
IAM @ iam @ RHM1996 |
Serial |
1631 |
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Author |
Petia Radeva; Enric Marti |
Title |
An improved model of snakes for model-based segmentation |
Type |
Conference Article |
Year |
1995 |
Publication |
Proceedings of Computer Analysis of Images and Patterns |
Abbreviated Journal |
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Pages |
515-520 |
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Abstract |
The main advantage of segmentation by snakes consists in its ability to incorporate smoothness constraints on the detected shapes that can occur. Likewise, we propose to model snakes with other properties that reflect the information provided about the object of interest in a different extent. We consider different kinds of snakes, those searching for contours with a certain direction, those preserving an object’s model, those seeking for symmetry, those expanding open, etc. The availability of such a collection of snakes allows not only the more complete use of the knowledge about the segmented object, but also to solve some problems of the existing snakes. Our experiments on segmentation of facial features justify the usefulness of snakes with different properties. |
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CAIP |
Notes |
MILAB;IAM |
Approved |
no |
Call Number |
IAM @ iam @ RaM1995b |
Serial |
1632 |
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Author |
Petia Radeva; Enric Marti |
Title |
Facial Features Segmentation by Model-Based Snakes |
Type |
Conference Article |
Year |
1995 |
Publication |
International Conference on Computing Analysis and Image Processing |
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Abstract |
Deformable models have recently been accepted as a standard technique to segment different features in facial images. Despite they give a good approximation of the salient features in a facial image, the resulting shapes of the segmentation process seem somewhat artificial with respect to the natural feature shapes. In this paper we show that active contour models (in particular, rubber snakes) give more close and natural representation of the detected feature shape. Besides, using snakes for facial segmentation frees us from the problem of determination of the numerous weigths of deformable models. Another advantage of rubber snakes is their reduced computational cost. Our experiments using rubber snakes for segmentation of facial snapshots have shown a significant improvement compared to deformable models. |
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Place of Publication |
Bellaterra (Barcelona), Spain |
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Notes |
MILAB;IAM |
Approved |
no |
Call Number |
IAM @ iam @ RAM1995a |
Serial |
1633 |
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Author |
Petia Radeva; Joan Serrat; Enric Marti |
Title |
A snake for model-based segmentation |
Type |
Conference Article |
Year |
1995 |
Publication |
Proc. Conf. Fifth Int Computer Vision |
Abbreviated Journal |
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Issue |
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Pages |
816-821 |
Keywords |
snakes; elastic matching; model-based segmenta tion |
Abstract |
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 signicant improvement. |
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Notes |
MILAB;ADAS;IAM |
Approved |
no |
Call Number |
IAM @ iam @ RSM1995 |
Serial |
1634 |
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