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Jordi Vitria |
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Title  |
Introduccio a la Morfologia Matematica |
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1996 |
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CVC Technical Report #06 |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ Vit1996b |
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90 |
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Author |
David Vazquez; Antonio Lopez |
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Title |
Intrusion Classification in Intelligent Video Surveillance Systems |
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2008 |
Publication |
Estudis d'Enginyeria Superior en Informática |
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UAB |
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Human detection; Car detection; Intrusion detection |
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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 |
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Bellaterra, Spain |
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ADAS |
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no |
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ADAS @ adas @ VL2008a |
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1670 |
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Author |
Xavier Boix |
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Title |
Learning Conditional Random Fields for Stereo |
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Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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Volume |
136 |
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Corporate Author |
Computer Vision Center |
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Master's thesis |
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Place of Publication |
Bellaterra, Barcelona |
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CIC |
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no |
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Admin @ si @ Boi2009 |
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2395 |
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Author |
A. Martinez; Jordi Vitria |
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Title |
Learning mixture models with the EM algorithm and genetic algorithms |
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1998 |
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CVC Technical Report #23 |
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OR;MV |
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no |
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Call Number |
BCNPCL @ bcnpcl @ MaV1998a |
Serial |
8 |
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Author |
Jaume Gibert |
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Title |
Learning structural representations and graph matching paradigms in the context of object recognition |
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2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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143 |
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Computer Vision Center |
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Master's thesis |
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DAG |
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no |
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Call Number |
Admin @ si @ Gib2009 |
Serial |
2397 |
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Author |
Eva Costa |
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Title |
Localitzacio i seguiment de persones amb una camera amb Pan, Tilt i Zoom |
Type |
Report |
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Year |
2001 |
Publication |
CVC Technical Report #51 |
Abbreviated Journal |
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no |
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Call Number |
Admin @ si @ Cos2001 |
Serial |
87 |
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Author |
Albert Andaluz |
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Title |
LV Contour Segmentation in TMR images using Semantic Description of Tissue and Prior Knowledge Correction |
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Report |
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Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
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Volume |
142 |
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Keywords |
Active Contour Models; Snakes; Active Shape Models; Deformable Templates; Left Ventricle Segmentation; Generalized Orthogonal Procrustes Analysis; Harmonic Phase Flow; Principal Component Analysis; Tagged Magnetic Resonance |
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Abstract |
The Diagnosis of Left Ventricle (LV) pathologies is related to regional wall motion analysis. Health indicator scores such as the rotation and the torsion are useful for the diagnose of the Left Ventricle (LV) function. However, this requires proper identification of LV segments. On one hand, manual segmentation is robust, but it is slow and requires medical expertise. On the other hand, the tag pattern in Tagged Magnetic Resonance (TMR) sequences is a problem for the automatic segmentation of the LV boundaries. Consequently, we propose a method based in the classical formulation of parametric Snakes, combined with Active Shape models. Our semantic definition of the LV is tagged tissue that experiences motion in the systolic cycle. This defines two energy potentials for the Snake convergence. Additionally, the mean shape corrects excessive deviation from the anatomical shape. We have validated our approach in 15 healthy volunteers and two short axis cuts. In this way, we have compared the automatic segmentations to manual shapes outlined by medical experts. Also, we have explored the accuracy of clinical scores computed using automatic contours. The results show minor divergence in the approximation and the manual segmentations as well as robust computation of clinical scores in all cases. From this we conclude that the proposed method is a promising support tool for clinical analysis. |
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Master's thesis |
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Bellaterra 08193, Barcelona, Spain |
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IAM; |
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no |
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Call Number |
IAM @ iam @ And2009 |
Serial |
1667 |
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Author |
Laura Ruiz |
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Title |
Methods about Pattern Recognition |
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Report |
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Year |
2007 |
Publication |
CVC Technical Report #114 |
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Approved |
no |
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Call Number |
Admin @ si @ Rui2007 |
Serial |
834 |
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Author |
David Geronimo |
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Title |
Model Features and Horizon Line Estimation for Pedestrian Detection in Advanced Driver Assistance Systems |
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2006 |
Publication |
CVC Technical Report #98 |
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CVC (UAB) |
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Master's thesis |
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ADAS |
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no |
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ADAS @ adas @ Ger2006 |
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737 |
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Author |
Oriol Pujol |
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Title |
Model-based three dimensional interpolation of IVUS images |
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1999 |
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CVC Technical Report #27 |
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HuPBA;MILAB |
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no |
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BCNPCL @ bcnpcl @ Puj1999 |
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49 |
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Author |
X. Orriols |
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Title |
Models locals lineals per a l´analisi d´imatges |
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1999 |
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CVC Technical Report #31 |
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Admin @ si @ Orr1999 |
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192 |
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Author |
Diego Alejandro Cheda |
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Title |
Monocular egomotion estimation for ADAS application |
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2009 |
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CVC Technical Report |
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148 |
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Computer Vision Center |
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Ph.D. thesis |
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Bellaterra, Barcelona |
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ADAS |
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no |
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Admin @ si @ Che2009 |
Serial |
2402 |
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Author |
Jordi Vitria; C. Gratin; D. Seron; F. Moreso |
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Title |
Morphological image analysis for quantification of renal damage |
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1995 |
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CVC Technical Report #02 |
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OR;MV |
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BCNPCL @ bcnpcl @ VGS1995 |
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117 |
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Author |
Carme Julia |
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Motion segmentation through factorization. Application to night driving assistance |
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2004 |
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CVC Technical Report #79 |
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Admin @ si @ 38169 |
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506 |
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Author |
Ariel Amato |
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Title |
Multiple Camera Calibration for Trajectories Tracking |
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2007 |
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CVC Technical Report #112 |
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ISE |
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Admin @ si @ Ama2007a |
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824 |
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