GVU Technical Report Number:
GIT-GVU-93-06
Title:
Shape and Motion from Linear Features
Authors:
Warren F. Gardner
Daryl T. Lawton
Abstract:
This paper introduces a technique for extracting structure and
motion using directionally selective matches between linear
features. A world-centered coordinate system is used to make these
computations without the intermediate calculation of depth. In
order to constrain the possible structure and motion
configurations, we assume that the three-dimensional direction of
gravity relative to each image frame is known. The direction of
gravity, along with the directionally selective linear feature
matches, form a set of quadratic equations which can be used to
determine structure and motion.
Keywords:
Three-dimensional images, image frame, linear features, motion, structure
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