Date of Original Version

10-2002

Type

Conference Proceeding

Abstract or Description

This paper presents a comparison between methods that estimate motion of a camera from a sequence of video images. We implemented two methods: a homography based method that assumes planar environments; and shape-from-motion, a general method that can deal with a fully three dimensional world. Both methods were formulated in an iterative, online form to produce estimates of camera motion. We discuss a trade-off in accuracy and run time efficiency based on experimental results for these two general methods in relation to ground truth. We show how a variation of the homography method can produce accurate results in some cases when the environment is non-planar with low computational cost.

DOI

10.1109/IRDS.2002.1041375

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Published In

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 1, 123-128.