Computer Science – Computer Vision and Pattern Recognition
Scientific paper
2009-12-18
Proc. 24th Conf. on Image and Vision Computing New Zealand (IVCNZ 2009) pages 153-158
Computer Science
Computer Vision and Pattern Recognition
16 LaTeX pages, 5 figures
Scientific paper
Finding the three-dimensional representation of all or a part of a scene from a single two dimensional image is a challenging task. In this paper we propose a method for identifying the pose and location of objects with circular protrusions in three dimensions from a single image and a 3d representation or model of the object of interest. To do this, we present a method for identifying ellipses and their properties quickly and reliably with a novel technique that exploits intensity differences between objects and a geometric technique for matching an ellipse in 2d to a circle in 3d. We apply these techniques to the specific problem of determining the pose and location of vehicles, particularly cars, from a single image. We have achieved excellent pose recovery performance on artificially generated car images and show promising results on real vehicle images. We also make use of the ellipse detection method to identify car wheels from images, with a very high successful match rate.
Brewer Nathan
Hutter Marcus
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