Generation of 3-D head models from multiple images using ellipsoidapproximation for the rear part
Grammalidis, N.
Sarris, N.
Varzokas, C.
Strintzis, M.G.
Dept. of Electr. & Comput. Eng., Thessaloniki Univ.;
This paper appears in: Image Processing, 2000. Proceedings. 2000 International Conference on
Publication Date: 2000
Volume: 1,
On page(s): 284-287 vol.1
Meeting Date: 09/10/2000 - 09/13/2000
Location: Vancouver, BC, Canada
ISBN: 0-7803-6297-7
References Cited: 7
INSPEC Accession Number: 6983861
Digital Object Identifier: 10.1109/ICIP.2000.900950
Current Version Published: 2002-08-06
Abstract
A system for building a three dimensional (3-D) human head model
from two camera views is proposed. A generic 3-D face model is adapted
to a human face of which the frontal and profile views are given. Then,
a 3-D ellipsoid approximation technique is used to fit an ellipsoid to
the 3-D wireframe model. This ellipsoid is then used to approximate the
back of the head, while the the initial 3-D face model provides
information for the high-detail front part of the head. The part of the
ellipsoid model that corresponds to the back of the head is then
identified and an algorithm to merge the front (face) and the back part
is proposed. A cylindrical texture map is finally built covering the
entire area of the head by exploiting the inherent face symmetry. The
final result is a complete, textured model of a specific person's head
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