Daniel Ponsa, & Antonio Lopez. (2007). Vehicle Trajectory Estimation based on Monocular Vision. In 3rd Iberian Conference on Pattern Recognition and Image Analysis, LNCS 4477 (pp. 587–594).
Keywords: vehicle detection
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David Geronimo, Angel Sappa, Antonio Lopez, & Daniel Ponsa. (2007). Adaptive Image Sampling and Windows Classification for On-board Pedestrian Detection. In Proceedings of the 5th International Conference on Computer Vision Systems.
Abstract: On–board pedestrian detection is in the frontier of the state–of–the–art since it implies processing outdoor scenarios from a mobile platform and searching for aspect–changing objects in cluttered urban environments. Most promising approaches include the development of classifiers based on feature selection and machine learning. However, they use a large number of features which compromises real–time. Thus, methods for running the classifiers in only a few image windows must be provided. In this paper we contribute in both aspects, proposing a camera
pose estimation method for adaptive sparse image sampling, as well as a classifier for pedestrian detection based on Haar wavelets and edge orientation histograms as features and AdaBoost as learning machine. Both proposals are compared with relevant approaches in the literature, showing comparable results but reducing processing time by four for the sampling tasks and by ten for the classification one.
Keywords: Pedestrian Detection
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Daniel Ponsa, & Antonio Lopez. (2007). Feature Selection Based on a New Formulation of the Minimal-Redundancy-Maximal-Relevance Criterion. In 3rd Iberian Conference on Pattern Recognition and Image Analysis, LNCS 4477 (pp. 47–54).
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Hugo Berti, Angel Sappa, & Osvaldo Agamennoni. (2007). Autonomous robot navigation with a global and asymptotic convergence. In IEEE International Conference on Robotics and Automation (2712–2717).
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Angel Sappa, David Geronimo, Fadi Dornaika, & Antonio Lopez. (2007). Stereo Vision Camera Pose Estimation for On-Board Applications. In Scene Reconstruction, Pose Estimation and Traking (pp. 39–50). Rustam Stolking.
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Angel Sappa, & M.A. Garcia. (2007). Generating compact representations of static scenes by means of 3D object hierarchies. The Visual Computer, 23(2): 143–154.
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Angel Sappa, & M.A. Garcia. (2007). Coarse-to-Fine Approximation of Range Images with Bounded Error Adaptive Triangular Meshes. Journal of Electronic Imaging, 16(2), 023010(11 pages).
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Angel Sappa, & Boris X. Vintimilla. (2007). Cost-Based Closed Contour Representations. Journal of Electronic Imaging, 16(2), 023009 (9 pages).
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David Geronimo, Antonio Lopez, & Angel Sappa. (2007). Computer Vision Approaches for Pedestrian Detection: Visible Spectrum Survey. In J. Marti et al. (Ed.), 3rd Iberian Conference on Pattern Recognition and Image Analysis, LNCS 4477 (Vol. 1, 547–554).
Abstract: Pedestrian detection from images of the visible spectrum is a high relevant area of research given its potential impact in the design of pedestrian protection systems. There are many proposals in the literature but they lack a comparative viewpoint. According to this, in this paper we first propose a common framework where we fit the different approaches, and second we use this framework to provide a comparative point of view of the details of such different approaches, pointing out also the main challenges to be solved in the future. In summary, we expect
this survey to be useful for both novel and experienced researchers in the field. In the first case, as a clarifying snapshot of the state of the art; in the second, as a way to unveil trends and to take conclusions from the comparative study.
Keywords: Pedestrian detection
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David Geronimo, Antonio Lopez, Daniel Ponsa, & Angel Sappa. (2007). Haar Wavelets and Edge Orientation Histograms for On-Board Pedestrian Detection. In J. Marti et al. (Ed.), 3rd Iberian Conference on Pattern Recognition and Image Analysis, LNCS 4477 (Vol. 1, 418–425).
Keywords: Pedestrian detection
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Angel Sappa, & M.A. Garcia. (2007). Incremental Integration of Multiresolution Range Images. The imaging science journal. Vol. 55, No. 3 pp. 127–139.
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Fadi Dornaika, & Angel Sappa. (2007). Real-time Vehicle Ego-Motion using Stereo Pairs and Particle Filters. In Int. Conf. on Image Analysis and Recognition, (Vol. 4633, 469–480). LNCS.
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Carme Julia, Angel Sappa, Felipe Lumbreras, Joan Serrat, & Antonio Lopez. (2007). Motion Segmentation from Feature Trajectories with Missing Data. In J. Marti et al.(Eds.) (Ed.), 3rd. Iberian Conference on Pattern Recognition and Image Analysis (Vol. LNCS 4477, 483–490).
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Fadi Dornaika, & Angel Sappa. (2007). SFM for Planar Scenes: a Direct and Robust Approach. In book chapter: Informatics in Control, Automation and Robotics II, Ed. J. Filipe, J. Ferrier, J. Cetto and M. Carvalho, pp. 129–136. (best papers ICINCO 2005).
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Jose Manuel Alvarez. (2007). On-Board Road Surface Segmentation.
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