| Records |
| Author |
Enric Marti; S.Fernandez; G.Estape |
| Title |
BlueStar: implementació d’una aplicació per a la visualització 3D de funcions reals, com a eina d’aprenentatge |
Type |
Miscellaneous |
| Year |
2007 |
Publication |
IV Jornades d’Innovació Docent UAB |
Abbreviated Journal |
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Pages |
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Place of Publication |
Bellaterra (Spain) |
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Summary Language |
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Conference |
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| Notes |
IAM; |
Approved |
no |
Call Number  |
IAM @ iam @ MFE2007 |
Serial |
1591 |
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| Author |
Patricia Marquez; Debora Gil; Aura Hernandez-Sabate |
| Title |
A Confidence Measure for Assessing Optical Flow Accuracy in the Absence of Ground Truth |
Type |
Conference Article |
| Year |
2011 |
Publication |
IEEE International Conference on Computer Vision – Workshops |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
2042-2049 |
| Keywords |
IEEE International Conference on Computer Vision – Workshops |
| Abstract |
Optical flow is a valuable tool for motion analysis in autonomous navigation systems. A reliable application requires determining the accuracy of the computed optical flow. This is a main challenge given the absence of ground truth in real world sequences. This paper introduces a measure of optical flow accuracy for Lucas-Kanade based flows in terms of the numerical stability of the data-term. We call this measure optical flow condition number. A statistical analysis over ground-truth data show a good statistical correlation between the condition number and optical flow error. Experiments on driving sequences illustrate its potential for autonomous navigation systems. |
| Address |
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| Corporate Author |
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Thesis |
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| Publisher |
IEEE |
Place of Publication |
Barcelona (Spain) |
Editor |
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| Language |
English |
Summary Language |
English |
Original Title |
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Series Title |
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Series Issue |
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Edition |
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ISBN |
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Expedition |
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Conference |
ICCVW |
| Notes |
IAM; ADAS |
Approved |
no |
| Call Number |
IAM @ iam @ MGH2011 |
Serial |
1682 |
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| Author |
Patricia Marquez; Debora Gil ; Aura Hernandez-Sabate |
| Title |
Error Analysis for Lucas-Kanade Based Schemes |
Type |
Conference Article |
| Year |
2012 |
Publication |
9th International Conference on Image Analysis and Recognition |
Abbreviated Journal |
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| Volume |
7324 |
Issue |
I |
Pages |
184-191 |
| Keywords |
Optical flow, Confidence measure, Lucas-Kanade, Cardiac Magnetic Resonance |
| Abstract |
Optical flow is a valuable tool for motion analysis in medical imaging sequences. A reliable application requires determining the accuracy of the computed optical flow. This is a main challenge given the absence of ground truth in medical sequences. This paper presents an error analysis of Lucas-Kanade schemes in terms of intrinsic design errors and numerical stability of the algorithm. Our analysis provides a confidence measure that is naturally correlated to the accuracy of the flow field. Our experiments show the higher predictive value of our confidence measure compared to existing measures. |
| Address |
Aveiro, Portugal |
| Corporate Author |
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Thesis |
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| Publisher |
Springer-Verlag Berlin Heidelberg |
Place of Publication |
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| Language |
english |
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Original Title |
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| Series Editor |
Campilho, Aurélio and Kamel, Mohamed |
Series Title |
Lecture Notes in Computer Science |
Abbreviated Series Title |
LNCS |
| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-642-31294-6 |
Medium |
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| Area |
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Expedition |
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Conference |
ICIAR |
| Notes |
IAM |
Approved |
no |
| Call Number |
IAM @ iam @ MGH2012a |
Serial |
1899 |
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| Author |
Patricia Marquez;Debora Gil;Aura Hernandez-Sabate |
| Title |
A Complete Confidence Framework for Optical Flow |
Type |
Conference Article |
| Year |
2012 |
Publication |
12th European Conference on Computer Vision – Workshops and Demonstrations |
Abbreviated Journal |
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| Volume |
7584 |
Issue |
2 |
Pages |
124-133 |
| Keywords |
Optical flow, confidence measures, sparsification plots, error prediction plots |
| Abstract |
Medial representations are powerful tools for describing and parameterizing the volumetric shape of anatomical structures. Existing methods show excellent results when applied to 2D objects, but their quality drops across dimensions. This paper contributes to the computation of medial manifolds in two aspects. First, we provide a standard scheme for the computation of medial manifolds that avoid degenerated medial axis segments; second, we introduce an energy based method which performs independently of the dimension. We evaluate quantitatively the performance of our method with respect to existing approaches, by applying them to synthetic shapes of known medial geometry. Finally, we show results on shape representation of multiple abdominal organs, exploring the use of medial manifolds for the representation of multi-organ relations. |
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Thesis |
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| Publisher |
Springer-Verlag |
Place of Publication |
Florence, Italy, October 7-13, 2012 |
Editor |
Andrea Fusiello, Vittorio Murino ,Rita Cucchiara |
| Language |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
LNCS |
| Series Volume |
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Series Issue |
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Edition |
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ISBN |
978-3-642-33867-0 |
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Expedition |
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Conference |
ECCVW |
| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MGH2012b |
Serial |
1991 |
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| Author |
Patricia Marquez; Debora Gil; Aura Hernandez-Sabate; Daniel Kondermann |
| Title |
When Is A Confidence Measure Good Enough? |
Type |
Conference Article |
| Year |
2013 |
Publication |
9th International Conference on Computer Vision Systems |
Abbreviated Journal |
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| Volume |
7963 |
Issue |
|
Pages |
344-353 |
| Keywords |
Optical flow, confidence measure, performance evaluation |
| Abstract |
Confidence estimation has recently become a hot topic in image processing and computer vision.Yet, several definitions exist of the term “confidence” which are sometimes used interchangeably. This is a position paper, in which we aim to give an overview on existing definitions,
thereby clarifying the meaning of the used terms to facilitate further research in this field. Based on these clarifications, we develop a theory to compare confidence measures with respect to their quality. |
| Address |
St Petersburg; Russia; July 2013 |
| Corporate Author |
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Thesis |
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| Publisher |
Springer Link |
Place of Publication |
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Editor |
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Series Title |
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Abbreviated Series Title |
LNCS |
| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-642-39401-0 |
Medium |
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Expedition |
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Conference |
ICVS |
| Notes |
IAM;ADAS; 600.044; 600.057; 600.060; 601.145 |
Approved |
no |
| Call Number |
IAM @ iam @ MGH2013a |
Serial |
2218 |
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| Author |
Enric Marti; Debora Gil; Carme Julia |
| Title |
A PBL experience in the teaching of Computer Graphics |
Type |
Conference Article |
| Year |
2005 |
Publication |
EUROGRAPHICS Proceedings |
Abbreviated Journal |
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| Volume |
5 |
Issue |
1 |
Pages |
95-103 |
| Keywords |
project-based learning; computer graphics education; Open GL; rendering techniques; computer animation techniques; Graphics packages; Hierarchy and geometric transformations; Animation; Color; shading; shadowing and texture; fractals; hidden line/surface removal; Problem Based Learning |
| Abstract |
Project-Based Learning (PBL) is an educational strategy to improve student’s learning capability that, in recent years, has had a progressive acceptance in undergraduate studies. This methodology is based on solving a problem or project in a student working group. In this way, PBL focuses on learning the necessary tools to correctly find a solution to given problems. Since the learning initiative is transferred to the student, the PBL method promotes students own abilities. This allows a better assessment of the true workload that carries out the student in the subject. It follows that the methodology conforms to the guidelines of the Bologna document, which quantifies the student workload in a subject by means of the European credit transfer system (ECTS). PBL is currently applied in undergraduate studies needing strong practical training such as medicine, nursing or law sciences. Although this is also the case in engineering studies, amazingly, few experiences have been reported. In this paper we propose to use PBL in the educational organization of the Computer Graphics subjects in the Computer Science degree. Our PBL project focuses in the development of a C++ graphical environment based on the OpenGL libraries for visualization and handling of different graphical objects. The starting point is a basic skeleton that already includes lighting functions, perspective projection with mouse interaction to change the point of view and three predefined objects. Students have to complete this skeleton by adding their own functions to solve the project. A total number of 10 projects have been proposed and successfully solved. The exercises range from human face rendering to articulated objects, such as robot arms or puppets. In the present paper we extensively report the statement and educational objectives for two of the projects: solar system visualization and a chess game. We report our earlier educational experience based on the standard classroom theoretical, problem and practice sessions and the reasons that motivated searching for other learning methods. We have mainly chosen PBL because it improves the student learning initiative. We have applied the PBL educational model since the beginning of the second semester. The student’s feedback increases in his interest for the subject. We present a comparative study of the teachers’ and students’ workload between PBL and the classic teaching approach, which suggests that the workload increase in PBL is not as high as it seems. |
| Address |
Dublin; Ireland; September 2005 |
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Conference |
EUROGRAPHICS |
| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MGJ2005 |
Serial |
1593 |
| Permanent link to this record |
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| Author |
Enric Marti; Debora Gil; Carme Julia |
| Title |
Una experiència en PBL per a la docència de Gràfics per Computador |
Type |
Miscellaneous |
| Year |
2005 |
Publication |
II Jornades d’innovació Docent |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
Aprenentatge Basat en Projectes; Aprenentatge Basat en Problemes; Problem Based Learning; ECTS; EEES; Computer Graphics; OpenGL. |
| Abstract |
En aquest article es presenta una experiència en ABP feta el curs 2004-05 en Gràfics per Computador 2, assignatura optativa de 3er curs d’Enginyeria Informàtica impartida a l’ETSE. En l’article s’explica l’organització docent abans d’ABP, basada en classes magistrals. Després es mostra l’organització en ABP i es quantifica en ECTS l’esforç de l’alumne en ambdues organitzacions. Essent conscient del diferent interès de l’alumnat per l’assignatura, se’ls hi ofereix dos itineraris: el de classes magistrals i d’ABP. Es mostren alguns resultats dels alumnes d’ABP i també les primeres enquestes realitzades als alumnes. S’exposen les conclusions en el primer any de l’experiència, plantejant temes de discussió. S’ha procurat que la proposta no desbordi l’esforç del professorat. Per això s’ofereix el doble itinerari, per a canalitzar per ABP els alumnes més interessats i permetre a la resta que realitzin el curs amb l’organització clàsica de l’assignatura: classes magistrals de teoria, problemes i pràctiques. |
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| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MGJ2005c |
Serial |
1594 |
| Permanent link to this record |
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| Author |
Enric Marti; Debora Gil; Carme Julia |
| Title |
Una experiencia de PBL en la docencia de la asignatura de Graficos por Computador en Ingenieria Informatica |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
IV Contreso Internacional de Docencia Universitaria e Innovacion |
Abbreviated Journal |
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| Volume |
1 |
Issue |
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Pages |
375 |
| Keywords |
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| Abstract |
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| Address |
Barcelona (Spain) |
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Place of Publication |
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Edition |
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Expedition |
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Conference |
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| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MGJ2006b |
Serial |
931 |
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| Author |
Enric Marti; Debora Gil; Carme Julia |
| Title |
Experiencia d aplicació de la metodología d aprenentatge per proyectes en assignatures d Enginyeria Informàtica per a una millor adaptació als crèdits ECTS i EEES |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
Experiències docents innovadores de la UAB en ciències experimentals i tecnologies i en ciències de la salud |
Abbreviated Journal |
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| Volume |
1 |
Issue |
|
Pages |
57-68 |
| Keywords |
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| Abstract |
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| Address |
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| Corporate Author |
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Thesis |
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| Publisher |
UAB |
Place of Publication |
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Editor |
IDES-UAB; M.Enric Martinez, E.A. |
| Language |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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ISBN |
978-84-490-2576-1 |
Medium |
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Expedition |
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Conference |
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| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MGJ2008 |
Serial |
1592 |
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| Author |
Enric Marti; Debora Gil; Marc Vivet ; Carme Julia |
| Title |
Balance de cuatro años de experiencia en la implantación de la metodología de Aprendizaje Basado en Proyectos en la asignatura de Gráficos por Computador en ingeniería Informática |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
Actas V Jornadas Internacionales de Innovación Universitaria |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
Aprendizaje cooperativo; aprendizaje basado en proyectos; experiencias docentes. |
| Abstract |
En este trabajo se presentan los resultados de la aplicación de la metodología del aprendizaje cooperativo a la docencia de dos asignaturas de programación en ingeniería informática. ‘Algoritmos y programación’ y ‘Lenguajes de programación’ son dos asignaturas complementarias que se organizan entorno a un proyecto común que engloba los contenidos de ambas asignaturas. En la docencia de una parte muy importante de estas asignaturas, la metodología del aprendizaje cooperativo se ha adaptado a sus características específicas. Como muestra de esta adaptación presentamos dos ejemplos de las actividades desarrolladas dentro de la docencia de estas asignaturas. Después de tres años de aplicación, el análisis a nivel cualitativo y cuantitativo de los resultados muestra que éstos son muy satisfactorios y que la aplicación del método cooperativo ha mejorado de forma considerable el rendimiento de los alumnos en ambas asignaturas. |
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Edition |
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Expedition |
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Conference |
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| Notes |
IAM;ADAS |
Approved |
no |
| Call Number |
IAM @ iam @ MGV2008a |
Serial |
1598 |
| Permanent link to this record |
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| Author |
Enric Marti; Debora Gil; Marc Vivet; Carme Julia |
| Title |
Balance de cuatro años de experiencia en la implantación de la metodología de Aprendizaje Basado en Proyectos en la asignatura de Gráficos por Computador en ingeniería Informática |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
VIII Jornadas de Innovación Universitaria |
Abbreviated Journal |
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Issue |
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Pages |
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IAM; ADAS |
Approved |
no |
| Call Number |
IAM @ iam @ MGV2008b |
Serial |
1599 |
| Permanent link to this record |
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| Author |
Enric Marti; Debora Gil; Marc Vivet; Carme Julia |
| Title |
Aprendizaje Basado en Proyectos en la asignatura de Gráficos por Computador en Ingeniería Informática. Balance de cuatro años de experiencia |
Type |
Miscellaneous |
| Year |
2009 |
Publication |
15th Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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Issue |
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Pages |
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Thesis |
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Place of Publication |
Barcelona, Spain |
Editor |
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| Language |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
1 |
Series Issue |
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Edition |
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| ISSN |
978-84-692-2758-9 |
ISBN |
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Medium |
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Expedition |
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Conference |
JENUI |
| Notes |
IAM;ADAS |
Approved |
no |
| Call Number |
IAM @ iam @ MGV2009 |
Serial |
1596 |
| Permanent link to this record |
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| Author |
Enric Marti; Carme Julia; Debora Gil |
| Title |
A PBL Experience in the Teaching of Computer Graphics |
Type |
Journal Article |
| Year |
2006 |
Publication |
Computer Graphics Forum |
Abbreviated Journal |
CGF |
| Volume |
25 |
Issue |
1 |
Pages |
95-103 |
| Keywords |
|
| Abstract |
Project-Based Learning (PBL) is an educational strategy to improve student’s learning capability that, in recent years, has had a progressive acceptance in undergraduate studies. This methodology is based on solving a problem or project in a student working group. In this way, PBL focuses on learning the necessary tools to correctly find a solution to given problems. Since the learning initiative is transferred to the student, the PBL method promotes students own abilities. This allows a better assessment of the true workload that carries out the student in the subject. It follows that the methodology conforms to the guidelines of the Bologna document, which quantifies the student workload in a subject by means of the European credit transfer system (ECTS). PBL is currently applied in undergraduate studies needing strong practical training such as medicine, nursing or law sciences. Although this is also the case in engineering studies, amazingly, few experiences have been reported. In this paper we propose to use PBL in the educational organization of the Computer Graphics subjects in the Computer Science degree. Our PBL project focuses in the development of a C++ graphical environment based on the OpenGL libraries for visualization and handling of different graphical objects. The starting point is a basic skeleton that already includes lighting functions, perspective projection with mouse interaction to change the point of view and three predefined objects. Students have to complete this skeleton by adding their own functions to solve the project. A total number of 10 projects have been proposed and successfully solved. The exercises range from human face rendering to articulated objects, such as robot arms or puppets. In the present paper we extensively report the statement and educational objectives for two of the projects: solar system visualization and a chess game. We report our earlier educational experience based on the standard classroom theoretical, problem and practice sessions and the reasons that motivated searching for other learning methods. We have mainly chosen PBL because it improves the student learning initiative. We have applied the PBL educational model since the beginning of the second semester. The student’s feedback increases in his interest for the subject. We present a comparative study of the teachers’ and students’ workload between PBL and the classic teaching approach, which suggests that the workload increase in PBL is not as high as it seems. |
| Address |
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| Corporate Author |
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Thesis |
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| Publisher |
Computer Graphics Forum |
Place of Publication |
Computer Vision CenterComputer Science Department Escola Tcnica Superior d’Enginyeria (UAB), Edifi |
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Expedition |
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Conference |
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| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MJG2006a |
Serial |
1607 |
| Permanent link to this record |
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| Author |
Enric Marti; Carme Julia; Debora Gil |
| Title |
Una experiencia de PBL en la docencia de la asignatura de Graficos por Computador en Ingenieria Informatica |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
IV Congreso Internacional Docencia Universitaria e Innovacion (CIDUI´06) |
Abbreviated Journal |
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Pages |
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| Address |
Barcelona |
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| Notes |
IAM;ADAS; |
Approved |
no |
| Call Number |
IAM @ iam @ MJG2006b |
Serial |
1123 |
| Permanent link to this record |
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| Author |
Enric Marti; Carme Julia; Debora Gil |
| Title |
A PBL Experience in the Teaching of Computer Graphics |
Type |
Conference Article |
| Year |
2007 |
Publication |
XVII Congreso Español de Informàtica Gráfica |
Abbreviated Journal |
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| Volume |
25 |
Issue |
1 |
Pages |
95-103 |
| Keywords |
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| Abstract |
Project-Based Learning (PBL) is an educational strategy to improve student’s learning capability that, in recent years, has had a progressive acceptance in undergraduate studies. This methodology is based on solving a problem or project in a student working group. In this way, PBL focuses on learning the necessary tools to correctly find a solution to given problems. Since the learning initiative is transferred to the student, the PBL method promotes students own abilities. This allows a better assessment of the true workload that carries out the student in the subject. It follows that the methodology conforms to the guidelines of the Bologna document, which quantifies the student workload in a subject by means of the European credit transfer system (ECTS). PBL is currently applied in undergraduate studies needing strong practical training such as medicine, nursing or law sciences. Although this is also the case in engineering studies, amazingly, few experiences have been reported. In this paper we propose to use PBL in the educational organization of the Computer Graphics subjects in the Computer Science degree. Our PBL project focuses in the development of a C++ graphical environment based on the OpenGL libraries for visualization and handling of different graphical objects. The starting point is a basic skeleton that already includes lighting functions, perspective projection with mouse interaction to change the point of view and three predefined objects. Students have to complete this skeleton by adding their own functions to solve the project. A total number of 10 projects have been proposed and successfully solved. The exercises range from human face rendering to articulated objects, such as robot arms or puppets. In the present paper we extensively report the statement and educational objectives for two of the projects: solar system visualization and a chess game. We report our earlier educational experience based on the standard classroom theoretical, problem and practice sessions and the reasons that motivated searching for other learning methods. We have mainly chosen PBL because it improves the student learning initiative. We have applied the PBL educational model since the beginning of the second semester. The student’s feedback increases in his interest for the subject. We present a comparative study of the teachers’ and students’ workload between PBL and the classic teaching approach, which suggests that the workload increase in PBL is not as high as it seems. |
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Zaragoza; September 2007 |
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IAM;ADAS; |
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IAM @ iam @ MJG2007a |
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1603 |
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