Determining surface orientation by projecting a stripe pattern
Asada, M.
Ichikawa, H.
Tsuji, S.
Center for Autom. Res., Maryland Univ., College Park, MD;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Sep 1988
Volume: 10,
Issue: 5
On page(s): 749-754
ISSN: 0162-8828
References Cited: 26
CODEN: ITPIDJ
INSPEC Accession Number: 3310491
Digital Object Identifier: 10.1109/34.6787
Current Version Published: 2002-08-06
Abstract
A method is presented for determining the surface orientations of
an object by projecting a stripe pattern on to it. Assuming
orthographical projection as a camera model and parallel light
projection of the stripe pattern, the method obtains a 2 1/2-D
representation of objects by estimating surface normals from the slopes
and intervals of the stripes in the image. The 2 1/2-D image is further
divided into planar or singly curved surfaces by examining the
distribution of the surface normals in gradient space. A simple
application to finding a planar surface and determining its orientation
and shape is shown. The error in surface orientation is discussed
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