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Augmented Reality 3D marker - based tracking technology research

Author: LiuJingWei
Tutor: KangBo
School: University of Electronic Science and Technology
Course: Pattern Recognition and Intelligent Systems
Keywords: 3D markers Augmented Reality POSIT Track
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 102
Quote: 0
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Abstract


Augmented reality system based on visual tracking more and more applications in our daily life , these augmented reality systems are based on a flat markers or characteristics of tracking technology to system design . Such augmented reality system has a serious drawback , and to run to the back of the plane and the plane angle is smaller or when the camera can not be detected from the video stream marker, then not be able to conduct the actual situation alignment . On the other hand , we live in a real world environment full three-dimensional identification and tracking of three-dimensional objects , as a base to build augmented reality system , then the system 's real-life experience a greater sense of . Traditional augmented reality system based on a flat - screen marker tracking basis , summarizes and analyzes the basic theory of the identification and tracking of markers algorithm , designed for Augmented Reality 3D markers , and as a basis for the 3D marker identification and tracking algorithm to construct the prototype of a 3D marker tracking technology - based augmented reality system . In this paper, the design of three-dimensional marker developed in the foundation of traditional artificial two - dimensional markers . In order to meet the high efficiency and high reliability requirements of the target recognition using the two-dimensional code recognition method , through the combination of a plurality of plane markers , the design of a three dimensional cube markers , to meet the respective feature points space three-dimensional coordinate easy to determine the requirement to achieve a simple and reliable identification . On the requirements of the tracking algorithm of the three - dimensional markers draw traditional enhanced reality tracking algorithm has the advantage in the design stage of the markers on the possible marker identification and tracking algorithm uses POSIT algorithm to 3D markers to determine the position and orientation in space . Build a 3D markers for the identification and tracking objects augmented reality system prototype . Validation through prototype system experiments and applications , this design markers and the identification and tracking algorithm can meet the real-time augmented reality requirements ; overcome flat markers can be prone to viewpoint loss at different angles to be able to accurately identify the space of three - dimensional marker position and orientation ; accurate positioning , the effect of the actual situation fusion .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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