Perception of 3-D surfaces from 2-D contours
- 1 January 1993
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 15 (1) , 3-18
- https://doi.org/10.1109/34.184771
Abstract
Inference of 3-D shape from 2-D contours in a single image is an important problem in machine vision. We survey classes of techniques proposed in the past and provide a critical analysis. We propose that two kinds of symmetries in figures, which are known as parallel and skew symmetries, give significant information about surface shape for a variety of objects. We derive the constraints imposed by these symmetries and show how to use them to infer 3-D shape. We discuss the zero Gaussian curvature (ZGC) surfaces in depth and show results on the recovery of surface orientation for various ZGC surfaces. © 1993 IEEKeywords
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