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Simultaneous Object Pose and Velocity Computation Using a Single View from a Rolling Shutter Camera

  • Omar Ait-Aider
  • Nicolas Andreff
  • Jean Marc Lavest
  • Philippe Martinet
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3952)

Abstract

An original concept for computing instantaneous 3D pose and 3D velocity of fast moving objects using a single view is proposed, implemented and validated. It takes advantage of the image deformations induced by rolling shutter in CMOS image sensors. First of all, after analysing the rolling shutter phenomenon, we introduce an original model of the image formation when using such a camera, based on a general model of moving rigid sets of 3D points. Using 2D-3D point correspondences, we derive two complementary methods, compensating for the rolling shutter deformations to deliver an accurate 3D pose and exploiting them to also estimate the full 3D velocity. The first solution is a general one based on non-linear optimization and bundle adjustment, usable for any object, while the second one is a closed-form linear solution valid for planar objects. The resulting algorithms enable us to transform a CMOS low cost and low power camera into an innovative and powerful velocity sensor. Finally, experimental results with real data confirm the relevance and accuracy of the approach.

Keywords

Classical Algorithm Single View Bundle Adjustment Velocity Parameter Velocity Computation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Omar Ait-Aider
    • 1
  • Nicolas Andreff
    • 1
  • Jean Marc Lavest
    • 1
  • Philippe Martinet
    • 1
  1. 1.Université Blaise Pascal Clermont Ferrand, LASMEA UMR 6602 CNRSFrance

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