Shape from contour: straight homogeneous generalized cylinders andconstant cross section generalized cylinders
Ulupinar, F.
Nevatia, R.
Adv. Comput. Syst. Co., Los Angeles, CA;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Feb 1995
Volume: 17,
Issue: 2
On page(s): 120-135
ISSN: 0162-8828
References Cited: 29
CODEN: ITPIDJ
INSPEC Accession Number: 4887736
Digital Object Identifier: 10.1109/34.368175
Current Version Published: 2002-08-06
Abstract
We analyze the properties of straight homogeneous generalized
cylinders (SHGCs) and constant cross section generalized cylinders
(CGCs), and derive the types of symmetries that the limb boundaries and
cross sections of these objects produce on the image plane. The
constraints on the 3D shape of the objects are formulated based on the
symmetries and from the geometry of the projection models. Finally, the
methods that recover the 3D shape from the image of their contours are
discussed and recovered surfaces are shown for sample objects
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