| Records |
| Author |
Sergio Escalera; Oriol Pujol; Petia Radeva |
Title  |
Loss-Weighted Decoding for Error-Correcting Output Coding |
Type |
Conference Article |
| Year |
2008 |
Publication |
3rd International Conference on Computer Vision Theory and Applications, |
Abbreviated Journal |
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| Volume |
2 |
Issue |
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Pages |
117–122 |
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| Address |
Madeira (Portugal) |
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Conference |
VISAPP |
| Notes |
MILAB;HuPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ EPR2008a |
Serial |
964 |
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| Author |
Joan Serrat; Ferran Diego; Felipe Lumbreras |
| Title |
Los faros delanteros a traves del objetivo |
Type |
Journal |
| Year |
2008 |
Publication |
UAB Divulga, Revista de divulgacion cientifica |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ SDL2008b |
Serial |
1471 |
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| Author |
Jose Antonio Rodriguez; Florent Perronnin |
| Title |
Local Gradient Histogram Features for Word Spotting in Unconstrained Handwritten Documents |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Graphics Recognition: Recent Advances and New Opportunities |
Abbreviated Journal |
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| Volume |
5046 |
Issue |
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Pages |
188–198 |
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Editor |
W. Liu, J. Llados, J.M. Ogier |
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LNCS |
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Approved |
no |
| Call Number |
Admin @ si @ RoP2008a |
Serial |
992 |
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| Author |
Jose Antonio Rodriguez; Florent Perronnin |
| Title |
Local Gradient Histogram Features for Word Spotting in Unconstrained Handwritten Documents |
Type |
Conference Article |
| Year |
2008 |
Publication |
International Conference on Frontiers in Handwriting Recognition |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
7–12 |
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| Address |
Montreal (Canada) |
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Conference |
ICFHR |
| Notes |
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Approved |
no |
| Call Number |
Admin @ si @ RoP2008b |
Serial |
1066 |
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| Author |
Bogdan Raducanu; Jordi Vitria |
| Title |
Learning to Learn: From Smarts Machines to Intelligent Machines |
Type |
Journal |
| Year |
2008 |
Publication |
Patter Recognition Letters |
Abbreviated Journal |
PRL |
| Volume |
29 |
Issue |
8 |
Pages |
1024–1032 |
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| Notes |
OR;MV |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ RaV2008a |
Serial |
950 |
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| Author |
G.Estape; Enric Marti |
| Title |
L’ús d’aplicacions de visualització 3D com a eina d’aprenenetatge en activitats formatives dirigides i autònomes: el cas del programa Bluestar |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
V Jornades d’Innovació Docent UAB |
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Issue |
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Pages |
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| Notes |
IAM |
Approved |
no |
| Call Number |
IAM @ iam @ ESM2008 |
Serial |
1495 |
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| Author |
S. Tanimoto; N. Bruining; David Rotger; Petia Radeva; J. Ligthart; R.T. van Domburg; P. W. Serryus |
| Title |
Late Stent Recoil of the Bioabsorbable Everolimus Eluting Coronary Stent and its Relationship with Stent Struts Distribution and Plaque Morphology |
Type |
Journal |
| Year |
2008 |
Publication |
Journal of the American College of Cardiology, vol. 52(20):1616–1620 |
Abbreviated Journal |
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Issue |
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Pages |
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| Address |
Bridgewater, NJ 08807(USA) |
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| Notes |
MILAB |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ TBR2008 |
Serial |
953 |
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| Author |
Sergio Escalera; Oriol Pujol; J. Mauri; Petia Radeva |
| Title |
IVUS Tissue Characterization with Sub-class Error-correcting Output Codes |
Type |
Conference Article |
| Year |
2008 |
Publication |
Computer Vision and Pattern Recognition Workshops, 2008. CVPR Workshops 2008. IEEE Computer Society Conference on, pp. 1–8, 23–28 juny 2008. |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Abstract |
Intravascular ultrasound (IVUS) represents a powerful imaging technique to explore coronary vessels and to study their morphology and histologic properties. In this paper, we characterize different tissues based on Radio Frequency, texture-based, slope-based, and combined features. To deal with the classification of multiple tissues, we require the use of robust multi-class learning techniques. In this context, we propose a strategy to model multi-class classification tasks using sub-classes information in the ECOC framework. The new strategy splits the classes into different subsets according to the applied base classifier. Complex IVUS data sets containing overlapping data are learnt by splitting the original set of classes into sub-classes, and embedding the binary problems in a problem-dependent ECOC design. The method automatically characterizes different tissues, showing performance improvements over the state-of-the-art ECOC techniques for different base classifiers and feature sets. |
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Conference |
CVPR |
| Notes |
MILAB;HuPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ EPM2008 |
Serial |
1041 |
| Permanent link to this record |
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| Author |
David Vazquez; Antonio Lopez |
| Title |
Intrusion Classification in Intelligent Video Surveillance Systems |
Type |
Report |
| Year |
2008 |
Publication |
Estudis d'Enginyeria Superior en Informática |
Abbreviated Journal |
UAB |
| Volume |
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Issue |
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Pages |
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| Keywords |
Human detection; Car detection; Intrusion detection |
| Abstract |
An intelligent video surveillance system (IVS) is a camera-based installation able to process in real-time the images coming from the cameras. The aim is to automatically warn about different events of interest at the moment they happen. Daview system of Davantis is a com mercial example of IVS system. The problems addressed by any IVS system, and so Daview, are so challenging that none IVS system is perfect, thus, they need continuous improvement. Accordingly, this project aims to study different approaches in order to outperform current Daview performance, in particular, we bet for improving its classification core. We present an in deep study of the state of the art on IVS systems, as well as on how Daview works. Based on that knowledge, we propose four possibilities for improving Daview classification capabilities: improve existent classifiers; improve existing classifiers combination; create new classifiers and create new classifier-based architectures. Our main contribution has been the incorporation of state-of-the-art feature selection and machine learning techniques for the classification tasks, a viewpoint not fully addressed in current Daview system. After a comprehensive quantitative evaluation we will see how one of our proposals clearly outperforms the overall performance of current Daview system. In particular the classification core that we finally propose consists in an AdaBoost One-Against-All architecture that uses appearance and motion features that were already present in current Daview system |
| Address |
Bellaterra, Spain |
| Corporate Author |
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Thesis |
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Conference |
PFC |
| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ VL2008a |
Serial |
1670 |
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| Author |
Carles Fernandez; Pau Baiget; Xavier Roca; Jordi Gonzalez |
| Title |
Interpretation of Complex Situations in a Semantic-based Surveillance Framework |
Type |
Journal |
| Year |
2008 |
Publication |
Signal Processing: Image Communication, Special Issue on Semantic Analysis for Interactive Multimedia Services |
Abbreviated Journal |
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| Volume |
23 |
Issue |
7 |
Pages |
554-569 |
| Keywords |
Cognitive vision system; Situation analysis; Applied ontologies |
| Abstract |
The integration of cognitive capabilities in computer vision systems requires both to enable high semantic expressiveness and to deal with high computational costs as large amounts of data are involved in the analysis. This contribution describes a cognitive vision system conceived to automatically provide high-level interpretations of complex real-time situations in outdoor and indoor scenarios, and to eventually maintain communication with casual end users in multiple languages. The main contributions are: (i) the design of an integrative multilevel architecture for cognitive surveillance purposes; (ii) the proposal of a coherent taxonomy of knowledge to guide the process of interpretation, which leads to the conception of a situation-based ontology; (iii) the use of situational analysis for content detection and a progressive interpretation of semantically rich scenes, by managing incomplete or uncertain knowledge, and (iv) the use of such an ontological background to enable multilingual capabilities and advanced end-user interfaces. Experimental results are provided to show the feasibility of the proposed approach. |
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| Notes |
ISE |
Approved |
no |
| Call Number |
ISE @ ise @ FBR2008 |
Serial |
954 |
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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 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
352–353 |
| Keywords |
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| Abstract |
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%. |
| Address |
Valladolid |
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Thesis |
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Editor |
Roberto hornero, Saniel Abasolo |
| Language |
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Conference |
CASEIB |
| Notes |
IAM; |
Approved |
no |
| Call Number |
IAM @ iam @ SGB2008 |
Serial |
1033 |
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| Author |
Jaume Garcia; Debora Gil; A.Bajo; M.J.Ledesma-Carbayo; C.SantaMarta |
| Title |
Influence of the temporal resolution on the quantification of displacement fields in cardiac magnetic resonance tagged images |
Type |
Conference Article |
| Year |
2008 |
Publication |
Proc. Computers in Cardiology |
Abbreviated Journal |
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| Volume |
35 |
Issue |
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Pages |
785-788 |
| Keywords |
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| Abstract |
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 possible. 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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Place of Publication |
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Editor |
Alan Murray |
| Language |
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Summary Language |
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Original Title |
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| Notes |
IAM |
Approved |
no |
| Call Number |
IAM @ iam @ GGB2008 |
Serial |
1508 |
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| Author |
Rozenn Dhayot; Fernando Vilariño; Gerard Lacey |
| Title |
Improving the Quality of Color Colonoscopy Videos |
Type |
Journal Article |
| Year |
2008 |
Publication |
EURASIP Journal on Image and Video Processing |
Abbreviated Journal |
EURASIP JIVP |
| Volume |
139429 |
Issue |
1 |
Pages |
1-9 |
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Edition |
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ISBN |
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Medium |
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800 |
Expedition |
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Conference |
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| Notes |
MV;SIAI |
Approved |
no |
| Call Number |
fernando @ fernando @ |
Serial |
2422 |
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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 |
Abbreviated Journal |
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Issue |
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Pages |
128–136 |
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| Address |
NY (USA) |
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Conference |
MICCAI |
| Notes |
MILAB;HUPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ GPR2008b |
Serial |
1038 |
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| Author |
Hugo Berti; Angel Sappa; Osvaldo Agamennoni |
| Title |
Improved Dynamic Window Approach by Using Lyapunov Stability Criteria |
Type |
Journal |
| Year |
2008 |
Publication |
Latin American Applied Research |
Abbreviated Journal |
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| Volume |
38 |
Issue |
4 |
Pages |
289–298 |
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ADAS |
Approved |
no |
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ADAS @ adas @ BSA2008 |
Serial |
1056 |
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