Visual Tracking for Augmented Reality : Edge-based tracking techniques for AR applications

ISBN-13: 9783639078916 / Angielski / Miękka / 2009 / 176 str.

Georg Klein

Opis

In Augmented Reality applications, the realenvironment is annotated or enhanced withcomputer-generated graphics. These graphics must beexactly registered to real objects in the scene andthis requires AR systems to track a user's viewpoint.This book shows that visual tracking with inexpensivecameras (such as those now often built into mobilecomputing devices) can be sufficiently robust andaccurate for AR applications. Visual tracking haspreviously been applied to AR, however this has usedartificial markers placed in the scene; this isundesirable. This thesis explores edge-based trackingas an efficient and accurate alternative, andexplored methods to improve the robustness ofedge-based tracking against rapid user motions. Thisthesis also shows how CAD models of the scene can beused to correctly clip virtual graphics, improvingthe perceived realism of the scene.

O autorze

Georg Klein, originally from Austria, graduated from the
University of Cambridge in 2006 and is currently a
post-doctoral research assistant in Oxford's Active Vision
Laboratory. His research interest is mainly the
development and application of visual tracking techniques for
Augmented Reality.