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Author (down) Eduard Vazquez; Francesc Tous; Ramon Baldrich; Maria Vanrell edit  openurl
  Title n-Dimensional Distribution Reduction Preserving its Structure Type Book Chapter
  Year 2006 Publication Artificial Intelligence Research and Development, M. Polit et al. (Eds.), 146: 167–175 Abbreviated Journal  
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  Address IOS Press  
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  Notes CIC Approved no  
  Call Number CAT @ cat @ VTB2006a Serial 681  
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Author (down) E. Pastor; A. Agueda; Juan Andrade; M. Muñoz; Y. Perez; E. Planas edit  openurl
  Title Computing the rate of spread of linear flame fronts by thermal image processing Type Journal
  Year 2006 Publication Fire Safety Journal, 41(8):569–579 Abbreviated Journal  
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  Notes Approved no  
  Call Number Admin @ si @ PAA2006 Serial 679  
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Author (down) Debora Gil; Petia Radeva edit   pdf
doi  openurl
  Title Inhibition of false landmarks Type Journal Article
  Year 2006 Publication Pattern Recognition Letters Abbreviated Journal PRL  
  Volume 27 Issue 9 Pages 1022-1030  
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  Abstract Corners and junctions are landmarks characterized by the lack of differentiability in the unit tangent to the image level curve. Detectors based on differential operators are not, by their own definition, the best posed as they require a higher degree of differentiability to yield a reliable response. We argue that a corner detector should be based on the degree of continuity of the tangent vector to the image level sets, work on the image domain and need no assumptions on neither the image local structure nor the particular geometry of the corner/junction. An operator measuring the degree of differentiability of the projection matrix on the image gradient fulfills the above requirements. Because using smoothing kernels leads to corner misplacement, we suggest an alternative fake response remover based on the receptive field inhibition of spurious details. The combination of both orientation discontinuity detection and noise inhibition produce our inhibition orientation energy (IOE) landmark locator.  
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  Publisher Elsevier Science Inc. Place of Publication New York, NY, USA Editor  
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  ISSN 0167-8655 ISBN Medium  
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  Notes IAM;MILAB Approved no  
  Call Number IAM @ iam @ GiR2006 Serial 1529  
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Author (down) Debora Gil; Oriol Rodriguez; J. Mauri; Petia Radeva edit  openurl
  Title Statistical descriptors of the Myocardial perfusion in angiographic images Type Conference Article
  Year 2006 Publication Proc. Computers in Cardiology Abbreviated Journal  
  Volume Issue Pages 677-680  
  Keywords Anisotropic processing; intravascular ultrasound (IVUS); vessel border segmentation; vessel structure classification.  
  Abstract Restoration of coronary flow after primary percutaneous coronary intervention in acute myocardial infarction does not always correlate with adequate myocardial perfusion. Recently, coronary angiography has been used to assess microcirculation integrity (Myocardial BlushAnalysis, MBA). Although MBA correlates with patient prognosis there are few image processing methods addressing objective perfusion quantification. The goal of this work is to develop statistical descriptors of the myocardial dyeing pattern allowing objective assessment of myocardial perfusion. Experiments on healthy right coronary arteries show that our approach allows reliable measurements without any specific image acquisition protocol.  
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  Notes IAM;MILAB Approved no  
  Call Number IAM @ iam @ GRR2006 Serial 1528  
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Author (down) Debora Gil; Jose Maria-Carazo; Roberto Marabini edit   pdf
doi  openurl
  Title On the nature of 2D crystal unbending Type Journal Article
  Year 2006 Publication Journal of Structural Biology Abbreviated Journal  
  Volume 156 Issue 3 Pages 546-555  
  Keywords Electron microscopy  
  Abstract Crystal unbending, the process that aims to recover a perfect crystal from experimental data, is one of the more important steps in electron crystallography image processing. The unbending process involves three steps: estimation of the unit cell displacements from their ideal positions, extension of the deformation field to the whole image and transformation of the image in order to recover an ideal crystal. In this work, we present a systematic analysis of the second step oriented to address two issues. First, whether the unit cells remain undistorted and only the distance between them should be changed (rigid case) or should be modified with the same deformation suffered by the whole crystal (elastic case). Second, the performance of different extension algorithms (interpolation versus approximation) is explored. Our experiments show that there is no difference between elastic and rigid cases or among the extension algorithms. This implies that the deformation fields are constant over large areas. Furthermore, our results indicate that the main source of error is the transformation of the crystal image.  
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  ISSN 1047-8477 ISBN Medium  
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  Notes IAM; Approved no  
  Call Number IAM @ iam @ GCM2006 Serial 1519  
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Author (down) Debora Gil; Aura Hernandez-Sabate; Oriol Rodriguez; J. Mauri; Petia Radeva edit   pdf
doi  openurl
  Title Statistical Strategy for Anisotropic Adventitia Modelling in IVUS Type Journal Article
  Year 2006 Publication IEEE Transactions on Medical Imaging Abbreviated Journal  
  Volume 25 Issue 6 Pages 768-778  
  Keywords Corners; T-junctions; Wavelets  
  Abstract Vessel plaque assessment by analysis of intravascular ultrasound sequences is a useful tool for cardiac disease diagnosis and intervention. Manual detection of luminal (inner) and mediaadventitia (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 trouble 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 interobserver variability regardless of plaque nature, vessel geometry, and incomplete vessel borders. Index Terms–-Anisotropic processing, intravascular ultrasound (IVUS), vessel border segmentation, vessel structure classification.  
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  Notes IAM;MILAB Approved no  
  Call Number IAM @ iam @ GHR2006 Serial 1525  
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Author (down) David Rotger; Petia Radeva; Oriol Rodriguez edit  openurl
  Title Vessel Tortuosity Extraction from IVUS Images Type Miscellaneous
  Year 2006 Publication Computers in Cardiology (CiC´06), 33: 689–692 Abbreviated Journal  
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  Address Valencia (Spain)  
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  Notes MILAB Approved no  
  Call Number BCNPCL @ bcnpcl @ RRR2006 Serial 762  
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Author (down) David Masip; Jordi Vitria edit  openurl
  Title Boosted discriminant projections for nearest neighbor classification Type Journal
  Year 2006 Publication Pattern Recognition, 39(2): 164–170 Abbreviated Journal  
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  Notes OR;MV Approved no  
  Call Number BCNPCL @ bcnpcl @ MaV2006 Serial 634  
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Author (down) David Geronimo; Angel Sappa; Antonio Lopez; Daniel Ponsa edit   pdf
url  openurl
  Title Pedestrian Detection Using AdaBoost Learning of Features and Vehicle Pitch Estimation Type Miscellaneous
  Year 2006 Publication 6th IASTED International Conference on Visualization, Imaging and Image Processing Abbreviated Journal VIIP  
  Volume Issue Pages 400–405  
  Keywords ADAS, pedestrian detection, adaboost learning, pitch estimation, haar wavelets, edge orientation histograms.  
  Abstract In this paper we propose a combination of different Haar filter sets and Edge Orientation Histograms (EOH) in order to learn a model for pedestrian detection. As we will show, with the addition of EOH we obtain better ROCs than using Haar filters alone. Hence, a model consisting of discriminant features, selected by AdaBoost, is applied at pedestrian-sized image windows in order to perform
the classification. Additionally, taking into account the final application, a driver assistance system with realtime requirements, we propose a novel stereo-based camera pitch estimation to reduce the number of explored windows.
With this approach, the system can work in urban roads, as will be illustrated by current results.		  
  Address Palma de Mallorca (Spain)  
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  Notes ADAS Approved no  
  Call Number ADAS @ adas @ GSL2006 Serial 672  
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Author (down) David Geronimo edit  openurl
  Title Model Features and Horizon Line Estimation for Pedestrian Detection in Advanced Driver Assistance Systems Type Report
  Year 2006 Publication CVC Technical Report #98 Abbreviated Journal  
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  Address CVC (UAB)  
  Corporate Author Thesis Master's thesis  
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  Notes ADAS Approved no  
  Call Number ADAS @ adas @ Ger2006 Serial 737  
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Author (down) David Aldavert edit  openurl
  Title Visual Simultaneous Localization and Mapping Type Report
  Year 2006 Publication CVC Technical Report #98 Abbreviated Journal  
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  Address CVC (UAB)  
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  Notes ADAS Approved no  
  Call Number Admin @ si @ Ald2006 Serial 736  
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Author (down) Dani Rowe; I. Reid; Jordi Gonzalez; Juan J. Villanueva edit  openurl
  Title Unconstrained Multiple-People Tracking Type Book Chapter
  Year 2006 Publication 28th Annual Symposium of the German Association for Pattern Recognition, LNCS 4174: 505–514, ISBN 978–3–540–44412–1 Abbreviated Journal  
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  Address Berlin (Germany)  
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  Notes Approved no  
  Call Number ISE @ ise @ RRG2006 Serial 769  
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Author (down) Carme Julia; Joan Serrat; Antonio Lopez; Felipe Lumbreras; Daniel Ponsa edit   pdf
openurl 
  Title Motion segmentation through factorization. Application to night driving assistance Type Miscellaneous
  Year 2006 Publication International Conference on Computer Vision Theory and Applications, (2) Abbreviated Journal  
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  Notes ADAS Approved no  
  Call Number ADAS @ adas @ JSL2006a Serial 638  
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Author (down) Carme Julia; Angel Sappa; Felipe Lumbreras; Joan Serrat; Antonio Lopez edit   pdf
url  openurl
  Title Factorization with Missing and Noisy Data Type Conference Article
  Year 2006 Publication 6th International Conference on Computational Science Abbreviated Journal ICCS´06  
  Volume LNCS 3991 Issue Pages 555–562  
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  Address Reading (United Kingdom)  
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  Notes ADAS Approved no  
  Call Number ADAS @ adas @ JSL2006b Serial 653  
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Author (down) Carme Julia; Angel Sappa; Felipe Lumbreras; Joan Serrat; Antonio Lopez edit   pdf
openurl 
  Title An Iterative Multiresolution Scheme for SFM Type Conference Article
  Year 2006 Publication International Conference on Image Analysis and Recognition Abbreviated Journal ICIAR 2006  
  Volume LNCS 4141 Issue 1 Pages 804–815  
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  Notes ADAS Approved no  
  Call Number ADAS @ adas @ JSL2006c Serial 704  
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