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Title: Augmented reality interaction and vision-based tracking
Authors: XU KE
Keywords: Augmented Reality, Tangible User Interface, Natural Feature Tracking
Issue Date: 24-Feb-2005
Source: XU KE (2005-02-24). Augmented reality interaction and vision-based tracking. ScholarBank@NUS Repository.
Abstract: Augmented Reality (AR) refers to the incorporation of virtual objects into a real 3D scene. In this thesis work, different tracking algorithms and tangible user interfaces were developed for various real-time AR applications in different environments. A vision-based tracking technique by using fiducial markers was adopted for accurate registration of desktop AR applications in the first phase of this thesis work. In those applications, the command interface to the computer has been merged with people's everyday interaction with the environment, such as picking or dropping. The interface is thus universal. The second part of the thesis work proposes a new type of vision-based tracking technique which makes use of natural features of the environment. Two different types of image motion constraints are studied: the epipolar constraint and the homography. A real-time tracking algorithm based on homographies was developed for both indoor and outdoor AR applications.
Appears in Collections:Master's Theses (Open)

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