A Real-time Precrash Vehicle Detection System

  • Authors:
  • Zehang Sun;Ronald Miller;George Bebis;David DiMeo

  • Affiliations:
  • -;-;-;-

  • Venue:
  • WACV '02 Proceedings of the Sixth IEEE Workshop on Applications of Computer Vision
  • Year:
  • 2002

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Abstract

This paper presents an in-vehicle real-timemonocular precrash vehicle detection system.The systemacquires grey level images through a forward facing lowlight camera and achieves an average detection rate of 10Hz.The vehicle detection algorithm consists of two main steps:multi-scale driven hypothesis generation and appearance-based hypothesis verification. In the multi-scale hypothesis generation step, possible image locations where vehiclesmight be present are hypothesized. This step uses multi-scale techniques to speed up detection but also to improvesystem robustness by making system performance less sensitive to the choice of certain parameters. Appearance-basedhypothesis verification verifies those hypothesis using HaarWavelet decomposition for feature extraction and SupportVector Machines (SVMs) for classification. The monocular system was tested under different traffic scenarios (e.g.,simply structured highway, complex urban street, varyingweather conditions), illustrating good performance.