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Dynamic 3D Scene Analysis from a Moving Vehicle

B. Leibe, N. Cornelis, K. Cornelis, L. Van Gool
IEEE Conference on Computer Vision and Pattern Recognition (CVPR'07)
Minneapolis, USA, June 2007

Abstract

In this paper, we present a system that integrates fully automatic scene geometry estimation, 2D object detection, 3D localization, trajectory estimation, and tracking for dynamic scene interpretation from a moving vehicle. Our sole input are two video streams from a calibrated stereo rig on top of a car. From these streams, we estimate Structurefrom- Motion (SfM) and scene geometry in real-time. In parallel, we perform multi-view/multi-category object recognition to detect cars and pedestrians in both camera images. Using the SfM self-localization, 2D object detections are converted to 3D observations, which are accumulated in a world coordinate frame. A subsequent tracking module analyzes the resulting 3D observations to find physically plausible spacetime trajectories. Finally, a global optimization criterion takes object-object interactions into account to arrive at accurate 3D localization and trajectory estimates for both cars and pedestrians. We demonstrate the performance of our integrated system on challenging real-world data showing car passages through crowded city areas.


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@InProceedings{eth_biwi_00483,
  author = {B. Leibe and N. Cornelis and K. Cornelis and L. Van Gool},
  title = {Dynamic 3D Scene Analysis from a Moving Vehicle},
  booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR'07)},
  year = {2007},
  month = {June},
  keywords = {}
}