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One of the key problems of augmented reality is the tracking of the camera position and viewing direction in real-time. Current vision-based systems mostly rely on the detection and tracking of fiducial markers. Some markerless approaches exist, which are based on 3D line models or calibrated reference images. These methods require a high manual preprocessing work step, which is not applicable for the efficient development and design of industrial AR applications. The problem of the preprocessing overload is addressed by the development of vision-based trackingalgorithms, which require a…mehr

Produktbeschreibung
One of the key problems of augmented reality is the
tracking of the camera position and viewing direction
in real-time. Current vision-based systems mostly
rely on the detection and tracking of fiducial
markers. Some markerless approaches exist, which are
based on 3D line models or calibrated reference
images. These methods require a high manual
preprocessing work step, which is not applicable for
the efficient development and design of industrial AR
applications.
The problem of the preprocessing overload is
addressed by the development of vision-based trackingalgorithms, which require a minimal workload of the
preparation of reference data.

A novel method for the automatic view-dependent
generation of line models in real-time is presented.
The tracking system only needs a polygonal model of a
reference object, which is often available from the
industrial construction process.

Point-based methods which rely on optical flow-based
template tracking are developed for the camera pose
estimation in partially known scenarios. The
robustness and real-time capability is improved with
a statistical approach for a feature management
system which is based on machine learning techniques.
Autorenporträt
Harald Wuest received his diploma degree in computer engineering
from the University of Mannheim in 2004. Since 2004 he has been a
research fellow at the Fraunhofer Institute for Computer
Graphics in Darmstadt. In 2008 he received his PhD in computer
science from the University of Darmstadt, Germany.