Scaling Theorems for Zero Crossings
IEEE Transactions on Pattern Analysis and Machine Intelligence
The geometry of view space of opaque objects bounded by smooth surfaces
Artificial Intelligence
Efficiently Computing and Representing Aspect Graphs of Polyhedral Objects
IEEE Transactions on Pattern Analysis and Machine Intelligence
Why aspect graphs are not (yet) practical for computer vision
CVGIP: Image Understanding - Special issue on directions in CAD-based vision
IEEE Transactions on Pattern Analysis and Machine Intelligence
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This paper introduces a new approach for computing a hierarchical aspect graph of curved objects using multiple range images. Characteristic deformations occur in the neighborhood of a cusp point as viewpoint moves. We analyze the division types of viewpoint space in scale space in order to generate aspect graphs from a limited number of viewpoints. Moreover, the aspect graph can be automatically generated using an algorithm of the minimization criteria.