Authors:
Morten Lidegaard
1
;
Rasmus F. Larsen
1
;
Dirk Kraft
1
;
Jeppe B. Jessen
1
;
Richard Beck
1
;
Thiusius R. Savarimuthu
1
;
Claus Gramkow
2
;
Ole K. Neckelmann
2
;
Jonas Haustad
2
and
Norbert Krüger
1
Affiliations:
1
University of Southern Denmark, Denmark
;
2
TriVision, Denmark
Keyword(s):
Active Vision.
Related
Ontology
Subjects/Areas/Topics:
Active and Robot Vision
;
Applications
;
Computer Vision, Visualization and Computer Graphics
;
Geometry and Modeling
;
Image Enhancement and Restoration
;
Image Formation and Preprocessing
;
Image Formation, Acquisition Devices and Sensors
;
Image-Based Modeling
;
Motion, Tracking and Stereo Vision
;
Pattern Recognition
;
Software Engineering
Abstract:
We present an active face processing system based on 3D shape information extracted by means of stereo
information. We use two sets of stereo cameras with different field of views (FOV): One with a wide FOV is
used for face tracking, while the other with a narrow FOV is used for face identification. We argue for two
advantages of such a system: First, an extended work range, and second, the possibility to place the narrow
FOV camera in a way such that a much better reconstruction quality can be achieved compared to a static
camera even if the face had been fully visible in the periphery of the narrow FOV camera. We substantiate these
two observations by qualitative results on face reconstruction and quantitative results on face recognition. As a
consequence, such a set-up allows to achieve better and much more flexible system for 3D face reconstruction
e.g. for recognition or emotion estimation based on the characteristics of a given face.