High Accuracy Optical Flow Serves 3-D Pose Tracking: Exploiting Contour and 
Flow Based Constraints

Brox, Thomas; Rosenhahn, Bodo; Cremers, Daniel; Seidel, Hans-Peter; Leonarids, Ales; Bishof, Horst; Prinz, Axel

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High Accuracy Optical Flow Serves 3-D Pose Tracking: Exploiting Contour and Flow Based Constraints

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Rosenhahn, Bodo
Computer Graphics, MPI for Informatics, Max Planck Society;

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Seidel, Hans-Peter
Computer Graphics, MPI for Informatics, Max Planck Society;

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Brox, T., Rosenhahn, B., Cremers, D., & Seidel, H.-P. (2006). High Accuracy Optical Flow Serves 3-D Pose Tracking: Exploiting Contour and Flow Based Constraints. In Computer vision - ECCV 2006 : 9th European Conference on Computer Vision; Part II (pp. 98-111). Berlin, Germany: Springer.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-2312-A

Abstract

Tracking the 3-D pose of an object needs correspondences between 2-D features in the image and their 3-D counterparts in the object model. A large variety of such features has been suggested in the literature. All of them have drawbacks in one situation or the other since their extraction in the image and/or the matching is prone to errors. In this paper, we propose to use two complementary types of features for pose tracking, such that one type makes up for the shortcomings of the other. Aside from the object contour, which is matched to a free-form object surface, we suggest to employ the optic flow in order to compute additional point correspondences. Optic flow estimation is a mature research field with sophisticated algorithms available. Using here a high quality method ensures a reliable matching. In our experiments we demonstrate the performance of our method and in particular the improvements due to the optic flow. We gratefully acknowledge funding by the German Research Foundation (DFG) and the Max Planck Center for Visual Computing and Communication.