Surface based hypothesis verification in intensity images using geometric and appearance dataByne, J.H.M. and Anderson, J. A. D. W. (1997) Surface based hypothesis verification in intensity images using geometric and appearance data. In: Chin, R. and Pong, T.-C. (eds.) Computer Vision — ACCV'98. Lecture Notes in Computer Science, 2 (1352). Springer, New York, pp. 177-184. ISBN 9783540639312 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1007/3-540-63931-4_213 Abstract/SummaryIn this paper we discuss current work concerning Appearance-based and CAD-based vision; two opposing vision strategies. CAD-based vision is geometry based, reliant on having complete object centred models. Appearance-based vision builds view dependent models from training images. Existing CAD-based vision systems that work with intensity images have all used one and zero dimensional features, for example lines, arcs, points and corners. We describe a system we have developed for combining these two strategies. Geometric models are extracted from a commercial CAD library of industry standard parts. Surface appearance characteristics are then learnt automatically by observing actual object instances. This information is combined with geometric information and is used in hypothesis evaluation. This augmented description improves the systems robustness to texture, specularities and other artifacts which are hard to model with geometry alone, whilst maintaining the advantages of a geometric description.
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