Direct estimation of range flow on deformable shape from a videorate range camera
Yamamoto, M.
Boulanger, P.
Beraldin, J.-A.
Rioux, M.
Dept. of Inf. Eng., Niigata Univ.;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Jan 1993
Volume: 15,
Issue: 1
On page(s): 82-89
ISSN: 0162-8828
References Cited: 22
CODEN: ITPIDJ
INSPEC Accession Number: 4355587
Digital Object Identifier: 10.1109/34.184776
Current Version Published: 2002-08-06
Abstract
A method of estimating range flow (space displacement vector
field) on nonrigid as well as rigid objects from a sequence of range
images is described. This method can directly estimate the deformable
motion parameters by solving a system of linear equations that are
obtained from substituting a linear transformation of nonrigid objects
expressed by the Jacobian matrix into motion constraints based on an
extension of the conventional scheme used in intensity image sequences.
The range flow is directly computed by substituting these estimated
motion parameters into the linear transformation. The algorithm is
supported by experimental estimations of range flow on a sheet of paper,
a piece of cloth, human skin, and a rubber balloon being inflated, using
real range image sequences acquired by a video rate range camera
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