Visible and infrared image registration using trajectories and composite foreground images

  • Authors:
  • G. A. Bilodeau;A. Torabi;F. Morin

  • Affiliations:
  • -;-;-

  • Venue:
  • Image and Vision Computing
  • Year:
  • 2011

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Abstract

The registration of images from multiple types of sensors (particularly infrared sensors and visible color sensors) is a step toward achieving multi-sensor fusion. This paper proposes a registration method using a novel error function. Registration of infrared and visible color images is performed by using the trajectories of moving objects obtained using background subtraction and simple tracking. The trajectory points are matched using a RANSAC-based algorithm and a novel registration criterion, which is based on the overlap of foreground pixels in composite foreground images. This criterion allows performing registration when there are few trajectories and gives more stable results. Our method was tested and its performance quantified using nine scenarios. It outperforms a related method only based on trajectory points in cases where there are few moving objects.