Records |
Author |
Debora Gil; Jordi Gonzalez; Gemma Sanchez (eds) |
Title |
Computer Vision: Advances in Research and Development |
Type |
Book Whole |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
Proceedings of the 2nd CVC International Workshop |
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Publisher |
UAB |
Place of Publication |
Bellaterra (Spain) |
Editor |
Debora Gil; Jordi Gonzalez; Gemma Sanchez |
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2 |
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ISBN |
978-84-935251-4-9 |
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Notes |
IAM; ISE; DAG |
Approved |
no |
Call Number |
IAM @ iam @ GGS2007 |
Serial |
1493 |
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Author |
Jaume Garcia; Debora Gil; Francesc Carreras; Sandra Pujades; R.Leta |
Title |
Modelització 4-Dimensional de la Funció Siatólica del Ventricle Esquerre |
Type |
Conference Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
XIX Congrés de la Societat Catalana de Cardiologia de Barcelona |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
133-134 |
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Abstract |
L’evolució tecnològica en el tractament de les imatges mèdiques permet reconstruir, amb el software apropiat, imatges tridimensionals de les estructures cardiovasculars i dotar-les de moviment. Les imatges 4D resultants faciliten l’estudi de la fisiopatologia de la insuficiència cardíaca en base als transtorns de l’activació electromecànica ventricular, el que pot ser d’interès en el procés de selecció de pacients candidats a teràpies de resincronització. Presentem els resultats preliminars de la reconstrucció 4D del ventricle esquerre (VE) a partir de les seqüències de tagging miocàrdic del VE. |
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Place of Publication |
Barcelona (Spain) |
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IAM |
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no |
Call Number |
IAM @ iam @ GGC2007 |
Serial |
1505 |
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Author |
Debora Gil; Oriol Rodriguez-Leor; Petia Radeva; Aura Hernandez-Sabate |
Title |
Assessing Artery Motion Compensation in IVUS |
Type |
Book Chapter |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
Computer Analysis Of Images And Patterns |
Abbreviated Journal |
LNCS |
Volume |
4673 |
Issue |
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Pages |
213-220 |
Keywords |
validation standards; quality measures; IVUS motion compensation; conservation laws; Fourier development |
Abstract |
Cardiac dynamics suppression is a main issue for visual improvement and computation of tissue mechanical properties in IntraVascular UltraSound (IVUS). Although in recent times several motion compensation techniques have arisen, there is a lack of objective evaluation of motion reduction in in vivo pullbacks. We consider that the assessment protocol deserves special attention for the sake of a clinical applicability as reliable as possible. Our work focuses on defining a quality measure and a validation protocol assessing IVUS motion compensation. On the grounds of continuum mechanics laws we introduce a novel score measuring motion reduction in in vivo sequences. Synthetic experiments validate the proposed score as measure of motion parameters accuracy; while results in in vivo pullbacks show its reliability in clinical cases. |
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Springerlink |
Place of Publication |
Heidelberg |
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Lecture Notes in Computer Science |
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ISBN |
978-3-540-74271-5 |
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Notes |
IAM;MILAB |
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no |
Call Number |
IAM @ iam @ GRR2007 |
Serial |
1540 |
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Author |
Aura Hernandez-Sabate; Debora Gil; Albert Teis |
Title |
How Do Conservation Laws Define a Motion Suppression Score in In-Vivo Ivus Sequences? |
Type |
Conference Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
Proc. IEEE Ultrasonics Symp |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
2231-2234 |
Keywords |
validation standards; IVUS motion compensation; conservation laws. |
Abstract |
Evaluation of arterial tissue biomechanics for diagnosis and treatment of cardiovascular diseases is an active research field in the biomedical imaging processing area. IntraVascular UltraSound (IVUS) is a unique tool for such assessment since it reflects tissue morphology and deformation. A proper quantification and visualization of both properties is hindered by vessel structures misalignments introduced by cardiac dynamics. This has encouraged development of IVUS motion compensation techniques. However, there is a lack of an objective evaluation of motion reduction ensuring a reliable clinical application This work reports a novel score, the Conservation of Density Rate (CDR), for validation of motion compensation in in-vivo pullbacks. Synthetic experiments validate the proposed score as measure of motion parameters accuracy; while results in in vivo pullbacks show its reliability in clinical cases. |
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IAM |
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no |
Call Number |
IAM @ iam @ HTG2007 |
Serial |
1550 |
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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 ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
IV Jornades d’Innovació Docent UAB |
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Place of Publication |
Bellaterra (Spain) |
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Notes |
IAM; |
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no |
Call Number |
IAM @ iam @ MFE2007 |
Serial |
1591 |
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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 ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
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. |
Address |
Zaragoza; September 2007 |
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CEDI |
Notes |
IAM;ADAS; |
Approved |
no |
Call Number |
IAM @ iam @ MJG2007a |
Serial |
1603 |
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Author |
Enric Marti; Carme Julia; Debora Gil |
Title |
PBL en la docencia de gráficos por computador |
Type |
Miscellaneous |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
VII Jornadas de Aprendizaje Cooperativo (JAC07) |
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Volume |
1 |
Issue |
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Pages |
53-62 |
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Place of Publication |
Valladolid |
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Notes |
IAM;ADAS; |
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no |
Call Number |
IAM @ iam @ MJG2007b |
Serial |
1604 |
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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 ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
IV Jornades d’Innovació Docent UAB |
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Place of Publication |
Bellaterra (Spain) |
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Notes |
IAM;RV;OR;MILAB;ADAS;MV |
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no |
Call Number |
IAM @ iam @ MRR2007 |
Serial |
1614 |
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Author |
Oriol Rodriguez-Leor; Debora Gil; Eduard Fernandez-Nofrerias; H. Tizon; S. Montserrat; Vicente del Valle; J. Mauri |
Title |
Caracterització de la Perfusió Miocàrdica mitjançant anàlisi estadístic de l espectre en l angiografia de contrast |
Type |
Conference Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
XIX Congrés de la Societat Catalana de Cardiologia de Barcelona |
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Volume |
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Issue |
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Pages |
130 |
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Abstract |
La valoració de la integritat de la microcirculació coronària aporta informació pronòstica en pacients amb infart agut de miocardi en els que es realitza angioplastia primària. Aquesta valoració és subjectiva i presenta una important variabilitat si no es duta a terme per personal experimentat. Presentem una eina d’anàlisi d’imatge que permet fer una valoració de la microcirculació coronària a partir de seqüències d’angiografia. Hem analitzat les variacions locals en el nivell de gris de la imatge durant la seqüència angiogràfica. Hem identificat els principals fenòmens observats (respiració, batec cardíac, tinció arterial, tinció miocàrdica i soroll radiològic) mitjançant un anàlisi estadístic de l’espectre de Fourier de l’evolució al llarg del temps de la mitja local. Aquest mateix anàlisis permet determinat la influència de cadascun d’ells en la extracció del patró de tinció i selecciona la respiració com el fenomen que més distorsiona el patró de tinció original. Els descriptors proposats s’obtenen fora del rang espectral respiratori. Hem testat la seva capacitat per a detectar els tres fenòmens principals (tinció miocàrdica (MS), tinció arterial (AS) i soroll (NS)) independentment de la respiració. La capacitat de discriminació dels descriptors ha estat valorada mitjançant un mètode de crossvalidation en 30 seqüències d’angiografia. Els descriptors emprats permeten caracteritzar la tinció miocàrdica amb una alta eficiència i fiabilitat. A més no hi ha diferències significatives en l’anàlisi de les seqüències obtingudes amb el pacient respirant amb normalitat o en apnea |
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Barcelona (Spain) |
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IAM |
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no |
Call Number |
IAM @ iam @ RGF2007 |
Serial |
1639 |
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Author |
David Vazquez; Enrique Cabello |
Title |
Empleo de sistemas biométricos faciales aplicados al reconocimiento de personas en aeropuertos |
Type |
Report |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
Ingeniería Técnica en Informática de Sistemas |
Abbreviated Journal |
URJC |
Volume |
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Issue |
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Keywords |
Surveillance; Face detection; Face recognition |
Abstract |
El presente proyecto se desarrolló a lo largo del año 2005 y 2006, probando un prototipo de un sistema de verificación facial con imágenes extraídas de las cámaras de video-vigilancia del aeropuerto de Barajas. Se diseñaron varios experimentos, agrupados en dos clases. En el primer tipo, el sistema es entre- nado con imágenes obtenidas en condiciones de laboratorio y luego probado con imágenes extraídas de las cámaras de video-vigilancia del aeropuerto de Barajas. En el segundo caso, tanto las imágenes de entrenamiento como las de prueba corresponden a imágenes extraídas de Barajas.
Se ha desarrollado un sistema completo, que incluye adquisición y digitalización de las imágenes, localización y recorte de las caras en escena, verificación de sujetos y obtención de resultados. Los resultados muestran que, en general, un sistema de verificación facial basado en imágenes puede ser una valiosa ayuda a un operario que deba estar vigilando amplias zonas. |
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Bachelor's thesis |
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invisible;ADAS |
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no |
Call Number |
ADAS @ adas @ VC2007a |
Serial |
1671 |
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Author |
Fernando Vilariño; Gerard Lacey; Jiang Zhou; Hugh Mulcahy; Stephen Patchett |
Title |
Automatic Labeling of Colonoscopy Video for Cancer Detection |
Type |
Conference Article |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2007 |
Publication |
In Proc. berian Conference, IbPRIA |
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Pages |
290-297 |
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800 |
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MV;SIAI |
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no |
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fernando @ fernando @ |
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2431 |
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Author |
A. Richichi; O. Fors; M.T. Merino; Xavier Otazu; J. Nuñez; A. Prades; U. Thiele; D. Perez-Ramirez; F.J. Montojo |
Title |
The Calar Alto lunar occultation program: update and new results |
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Journal |
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2006 |
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Astronomy and Astrophysics (Section ’Stellar structure and evolution’), 445:1081–1088 |
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CIC |
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no |
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CAT @ cat @ RFM2006a |
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589 |
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Author |
Robert Benavente; Maria Vanrell; Ramon Baldrich |
Title |
A data set for fuzzy colour naming |
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Journal |
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2006 |
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Color Research & Application, 31(1):48–56 |
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CIC |
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CAT @ cat @ BVB2006 |
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590 |
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Author |
Zhong Jin; Franck Davoine; Zhen Lou; Jing-Yu Yang |
Title |
A novel PCA-based Bayes classifier and face analysis |
Type |
Book Chapter |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2006 |
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International Conference on Advances in Biometrics (ICB’06), LNCS 3832: 144–150 |
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Hong Kong |
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Admin @ si @ JDL2006 |
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624 |
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Author |
N. Zakaria; Jean-Marc Ogier; Josep Llados |
Title |
The Fuzzy-Spatial Descriptor for the Online Graphic Recognition: Overlapping Matrix Algorithm |
Type |
Book Chapter |
Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2006 |
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7th International Workshop, Document Analysis Systems VII (DAS´06), LNCS 3872: 616–627 |
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Nelson (New Zealand) |
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DAG |
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no |
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DAG @ dag @ ZOL2006 |
Serial |
629 |
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