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Low-level Pedestrian Detection by means of Visible and Far Infrared Tetra-vision

Low-level Pedestrian Detection by means of Visible and Far Infrared Tetra-vision,10.1109/IVS.2006.1689633,M. Bertozzi,A. Broggi,M. Felisa,G. Vezzoni,M

Low-level Pedestrian Detection by means of Visible and Far Infrared Tetra-vision   (Citations: 19)
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This article presents a tetra-vision (4 cameras) system for the detection of pedestrians by the means of the simultaneous use of one far infra-red and one visible cameras stereo pairs. The main idea is to exploit both the advantages of far infra-red and visible cameras trying at the same time to benefit from the use of each system. Initially, the two stereo flows are independently processed, then the results are fused together. The final result of this low-level processing is a list of obstacles that have a shape and a size compatible with the presence of a potential pedestrian. In addition, the system is able to remove the background from the detected obstacles to simplify a possible further high level processing. The developed system has been installed on an experimental vehicle and preliminarily tested in different situations
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    • ...To our knowledge, very few papers have addressed that issue before, the closest one being by Bertozzi et al. [9]...

    Yannick Benezethet al. Human Detection with a Multi-sensors Stereovision System

    • ...Moreover, the symmetry-based refinement step and the use of some validators allow the system to detect pedestrians where they were not detected by a previous system version [3]...

    Massimo Bertozziet al. Multi Stereo-Based Pedestrian Detection by Daylight and Far-Infrared C...

    • ...However, infrared sensors are not effective under high temperature conditions and clothes affect the pedestrians’ thermal footprint [14]...
    • ...The second reason is that several imaging sensors are traditionally used simultaneously to obtain depth information, and both vision and thermal cameras are often combined to exploit the advantages of both approaches [14]...
    • ...To cope with the deficiencies of each approach, previous work has studied the combinaison of multiple sensor modalities [14], [18], [19]...

    Aline Senartet al. Using Sensor Networks for Pedestrian Detection

    • ...Bertozzi et al. [8], [9] has designed a four-camera “tetravision” system to analyze people in color and infrared stereo imagery...
    • ...Additionally, we compare our trifocal approaches to the tetravision approach proposed by Bertozzi et al. [8]...

    Stephen J. Krotoskyet al. Person Surveillance Using Visual and Infrared Imagery

    • ...However, infrared sensors are not effective under high temperature conditions and clothes affect the pedestrians’ thermal footprint [14]...
    • ...The second reason is that several imaging sensors are traditionally used simultaneously to obtain depth information, and both vision and thermal cameras are often combined to exploit the advantages of both approaches [14]...
    • ...To cope with the deficiencies of each approach, previous work has studied the combinaison of multiple sensor modalities [14], [18], [19]...

    Aline Senartet al. Using Sensor Networks for Pedestrian Detection

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