| Records |
| Author |
Murad Al Haj |
| Title |
Face Detection in Color Images Using Primitive Shape Features |
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Report |
| Year |
2008 |
Publication |
CVC Technical Report #118 |
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Bellaterra (Spain) |
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ISE |
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no |
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Admin @ si @ AlH2008 |
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945 |
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| Author |
Mathieu Nicolas Delalandre; Ernest Valveny; Josep Llados |
| Title |
Performance Evaluation of Symbol Recognition and Spotting Systems: An Overview |
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Report |
| Year |
2008 |
Publication |
CVC Technical Report #117 |
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Bellaterra (Spain) |
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DAG |
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DAG @ dag @ DVL2008a |
Serial |
946 |
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| Author |
Paramveer S. Dhillon; Francisco Javier Orozco; Jordi Gonzalez |
| Title |
Real-Time Monocular Face Tracking Using and Active Camera |
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Report |
| Year |
2008 |
Publication |
CVC Technical Report # 119 |
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Bellaterra (Spain) |
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ISE @ ise @ DOG2008 |
Serial |
1006 |
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| Author |
Carles Fernandez; Jordi Gonzalez |
| Title |
A Multilingually-Extensible Module for Natural Language Generation |
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Report |
| Year |
2008 |
Publication |
CVC Technical Report #120 |
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Barcelona, Spain |
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ISE @ ise @ FeG2008 |
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1146 |
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| Author |
Ognjen Rudovic; Jordi Gonzalez |
| Title |
Building Temporal Templates for Human Behaviour Classification |
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Report |
| Year |
2008 |
Publication |
CVC Technical Report #127 |
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Barcelona, Spain |
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no |
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ISE @ ise @ RuG 2008 |
Serial |
1147 |
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| Author |
Eduard Vazquez |
| Title |
Distribution Characterization using Topological Features. Application to Colour Image Processing |
Type |
Report |
| Year |
2007 |
Publication |
CVC Technical Report # 107 |
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Thesis |
Master's thesis |
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no |
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Admin @ si @ Vaz2009 |
Serial |
1254 |
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| Author |
Jaume Garcia |
| Title |
Generalized Active Shape Models Applied to Cardiac Function Analysis |
Type |
Report |
| Year |
2004 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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| Volume |
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Issue |
78 |
Pages |
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| Keywords |
Cardiac Analysis; Deformable Models; Active Contour Models; Active Shape Models; Tagged MRI; HARP; Contrast Echocardiography. |
| Abstract |
Medical imaging is very useful in the assessment and treatment of many diseases. To deal with the great amount of data provided by imaging scanners and extract quantitative information that physicians can interpret, many analysis algorithms have been developed. Any process of analysis always consists of a first step of segmenting some particular structure. In medical imaging, structures are not always well defined and suffer from noise artifacts thus, ordinary segmentation methods are not well suited. The ones that seem to give better results are those based on deformable models. Nevertheless, despite their capability of mixing image features together with smoothness constraints that may compensate for image irregularities, these are naturally local methods, i. e., each node of the active contour evolve taking into account information about its neighbors and some other weak constraints about flexibility and smoothness, but not about the global shape that they should find. Due to the fact that structures to be segmented are the same for all cases but with some inter and intra-patient variation, the incorporation of a priori knowledge about shape in the segmentation method will provide robustness to it. Active Shape Models is an algorithm based on the creation of a shape model called Point Distribution Model. It performs a segmentation using only shapes similar than those previously learned from a training set that capture most of the variation presented by the structure. This algorithm works by updating shape nodes along a normal segment which often can be too restrictive. For this reason we propose a generalization of this algorithm that we call Generalized Active Shape Models and fully integrates the a priori knowledge given by the Point Distribution Model with deformable models or any other appropriate segmentation method. Two different applications to cardiac imaging of this generalized method are developed and promising results are shown. |
| Address |
CVC (UAB) |
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Master's thesis |
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IAM; |
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no |
| Call Number |
IAM @ iam @ Gar2004 |
Serial |
1513 |
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| Author |
Debora Gil |
| Title |
Regularized Curvature Flow |
Type |
Report |
| Year |
2002 |
Publication |
CVC Technical Report |
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| Volume |
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Issue |
63 |
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| Publisher |
Computer Vision Centre |
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IAM; |
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no |
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IAM @ iam @ Gil2002 |
Serial |
1518 |
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| Author |
Debora Gil; Petia Radeva |
| Title |
Curvature based Distance Maps |
Type |
Report |
| Year |
2003 |
Publication |
CVC Technical Report |
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| Volume |
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Issue |
70 |
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Computer Vision Center |
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IAM;MILAB |
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no |
| Call Number |
IAM @ iam @ GIR2003a |
Serial |
1534 |
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| Author |
Aura Hernandez-Sabate |
| Title |
Automatic adventitia segmentation in IntraVascular UltraSound images |
Type |
Report |
| Year |
2005 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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Issue |
85 |
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| Abstract |
A usual tool in cardiac disease diagnosis is vessel plaque assessment by analysis of IVUS sequences. Manual detection of lumen-intima, intima-media and media-adventitia vessel borders is the main activity of physicians in the process of plaque quantification. Large variety in vessel border descriptors, as well as, shades, artifacts and blurred response due to ultrasound physical properties troubles automated media-adventitia segmentation. This experimental work presents a solution to such a complex problem. The process blends advanced anisotropic filtering operators and statistic classification techniques, achieving an efficient vessel border modelling strategy. First of all, we introduce the theoretic base of the method. After that, we show the steps of the algorithm, validating the method with statistics that show that the media-adventitia border detection achieves an accuracy in the range of inter-observer variability regardless of plaque nature, vessel geometry and incomplete vessel borders. Finally, we present a little Matlab application to the automatic media-adventitia border. |
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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 @ Her2005 |
Serial |
1544 |
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| Author |
Aura Hernandez-Sabate; Debora Gil; Petia Radeva |
| Title |
A Deterministic-Statistical Strategy for Adventitia Segmentation in IVUS images |
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Report |
| Year |
2005 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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89 |
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| Abstract |
A useful tool for some specific studies in cardiac disease diagnosis is vessel plaque assessment by analysis of IVUS sequences. Manual detection of luminal (inner) and media-adventitia (external) vessel borders is the main activity of physicians in the process of lumen narrowing (plaque) quantification. Difficult definition of vessel border descriptors, as well as, shades, artifacts and blurred signal response due to ultrasound physical properties troubles automated adventitia segmentation. In order to efficiently approach such a complex problem, we propose blending advanced anisotropic filtering operators and statistical classification techniques into a vessel border modelling strategy. Our systematic statistical analysis shows that the reported adventitia detection achieves an accuracy in the range of inter-observer variability regardless of plaque nature, vessel geometry and incomplete vessel borders. |
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IAM; MILAB |
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IAM @ iam @ HGR2005a |
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1548 |
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| Author |
Ole Larsen; Petia Radeva; Enric Marti |
| Title |
Calculating the Bounds on the Optimal Parameters of Elasticity for a Snake |
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1994 |
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Technical Report |
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Aalborg University |
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Aalborg University, Laboratory of image Analysis. |
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Denmark |
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Aalborg University, Laboratory of image Analysis. |
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MILAB;IAM |
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IAM @ iam @ LRM1994 |
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1560 |
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| Author |
Jaime Lopez-Krahe; Josep Llados; Enric Marti |
| Title |
Architectural Floor Plan Analysis |
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2000 |
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CVonline |
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Edimburg, UK |
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University of Edinburgh |
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Robert B. Fisher |
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online pdf |
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DAG;IAM |
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IAM @ iam @ LLM2000 |
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1561 |
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| Author |
Enric Marti |
| Title |
Análisis de elementos gráficos en documentos |
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1996 |
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CVC Technical Report |
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9 |
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En este texto se presenta un estudio sobre las t’ecnicas y aplicaciones de an’alisis de documentos, y más concretamente abordando la problem’atica del an’alisis de de entidades gr’aficas. El ’area de an’alisis de documentos tiene como objetivo la interpretaci’on de documentos impresos sobre papel por m’etodos computacionales, para obtener una descripci’on con un alto nivel de abstracci’on, que permita su posterior tratamiento y archivo por m’etodos inform’aticos. Este objetivo, junto a los trabajos realizados hasta el momento, le otorgan a esta ’area un amplio ’ambito de aplicaciones para la manipulaci’on y archivo de documentos sobre papel, que puede llegar a significar un salto cualitativo importante (del papel al disco ’optico) en el uso de soportes de informaci’on, debido a las importantes prestaciones de acceso y capacidad de archivo que suponen los medios inform’aticos. Generalmente los documentos son introducidos en los sistemas de an’alisis de documentos mediante scanner, obt... |
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Computer Vision Centre |
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CVC UAB |
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IAM; |
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IAM @ iam @ Mar1996 |
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1587 |
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| Author |
Ferran Poveda |
| Title |
Visualització i interpretació tridimensional de l’arquitectura de les fibres musculars del miocardi |
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2009 |
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Master en Tecnologies Multimedia |
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Master's thesis |
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08193 Bellaterra, Barcelona (Spain) |
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IAM; |
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IAM @ iam @ Pov2009 |
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1625 |
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