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Jordi Gonzalez, Dani Rowe, Juan Andrade, & Juan J. Villanueva. (2006). Efficient Management of Multiple Agent Tracking Through Observation Handling.
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Maria Alberich-Carramiñana, Guillem Alenya, Juan Andrade, E. Martinez, & Carme Torras. (2006). Affine Epipolar Direction from Two Views of a Planar Contour. In Proceedings of the Advanced Concepts for Intelligent Vision Systems Conference, LNCS 4179: 944–955.
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J. Nuñez, O. Fors, Xavier Otazu, Vicenç Pala, Roman Arbiol, & M.T. Merino. (2006). A Wavelet-Based Method for the Determination of the Relative Resolution Between Remotely Sensed Images. IEEE Transactions on Geoscience and Remote Sensing, 44(9): 2539–2548.
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Xavier Otazu, & Maria Vanrell. (2006). Several lightness induction effects with a computational multiresolution wavelet framework. 29th European Conference on Visual Perception (ECVP’06), Perception Suppl s, 32: 56–56.
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Xavier Otazu, & Oriol Pujol. (2006). Wavelet based approach to cluster analysis. Application on low dimensional data sets. PRL - Pattern Recognition Letters, 27(14), 1590–1605.
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Jaume Rodriguez, S. Yacoub, Gemma Sanchez, & Josep Llados. (2006). Performance Evaluation, Comparison and Combination of Commercial Handwriting Recognition Engines.
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Miquel Ferrer, F. Serratosa, & A. Sanfeliu. (2005). Synthesis of median spectral graph. In Pattern Recognition and Image Analysis (IbPRIA´05), LNCS, 3523: 139 146.
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Angel Sappa, David Geronimo, Fadi Dornaika, & Antonio Lopez. (2006). On-board camera extrinsic parameter estimation. EL - Electronics Letters, 42(13), 745–746.
Abstract: An efficient technique for real-time estimation of camera extrinsic parameters is presented. It is intended to be used on on-board vision systems for driving assistance applications. The proposed technique is based on the use of a commercial stereo vision system that does not need any visual feature extraction.
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Angel Sappa, & Fadi Dornaika. (2006). An Edge-Based Approach to Motion Detection. In 6th International Conference on Computational Science (ICCS´06), LNCS 3991:563–570.
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Carme Julia, Angel Sappa, Felipe Lumbreras, Joan Serrat, & Antonio Lopez. (2006). Factorization with Missing and Noisy Data. In 6th International Conference on Computational Science (Vol. LNCS 3991, 555–562).
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Shigang Yue, F. Claire Rind, Matthias S. Keil, Jorge Cuadri, & Richard Stafford. (2006). A bio-inspired visual collision detection mechanism for cars: Optimisation of a model of a locust neuron to a novel environment. Neurocomputing 69(13–15): 1591–1598.
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Anonymous. (2006). A Low Computational-Cost Method to Fuse IKONOS Images Using the Spectral Response Function of Its Sensors. IEEE Transactions on Geoscience and Remote Sensing, 44(6): 1683–1691.
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Matthias S. Keil, Gabriel Cristobal, & Heiko Neumann. (2006). Gradient representation and perception in the early visual system – A novel account of Mach band formation. VR - Vision Research, 46(17): 2659–2674.
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Fernando Vilariño, Ludmila I. Kuncheva, & Petia Radeva. (2006). ROC curves and video analysis optimization in intestinal capsule endoscopy. PRL - Pattern Recognition Letters, 27(8), 875–881.
Abstract: Wireless capsule endoscopy involves inspection of hours of video material by a highly qualified professional. Time episodes corresponding to intestinal contractions, which are of interest to the physician constitute about 1% of the video. The problem is to label automatically time episodes containing contractions so that only a fraction of the video needs inspection. As the classes of contraction and non-contraction images in the video are largely imbalanced, ROC curves are used to optimize the trade-off between false positive and false negative rates. Classifier ensemble methods and simple classifiers were examined. Our results reinforce the claims from recent literature that classifier ensemble methods specifically designed for imbalanced problems have substantial advantages over simple classifiers and standard classifier ensembles. By using ROC curves with the bagging ensemble method the inspection time can be drastically reduced at the expense of a small fraction of missed contractions.
Keywords: ROC curves; Classification; Classifiers ensemble; Detection of intestinal contractions; Imbalanced classes; Wireless capsule endoscopy
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Oriol Pujol, Petia Radeva, & Jordi Vitria. (2006). Discriminant ECOC: A Heuristic Method for Application Dependent Design of Error Correcting Output Codes. IEEE Transactions on Pattern Analysis and Machine Intelligence, 28(6): 1007–1012.
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