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Natural feature tracking for augmented reality

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2 Author(s)
Neumann, U. ; Dept. of Comput. Sci., Univ. of Southern California, Los Angeles, CA, USA ; You, S.

Natural scene features stabilize and extend the tracking range of augmented reality (AR) pose-tracking systems. We develop robust computer vision methods to detect and track natural features in video images. Point and region features are automatically and adaptively selected for properties that lead to robust tracking. A multistage tracking algorithm produces accurate motion estimates, and the entire system operates in a closed-loop that stabilizes its performance and accuracy. We present demonstrations of the benefits of using tracked natural features for AR applications that illustrate direct scene annotation, pose stabilization, and extendible tracking range. Our system represents a step toward integrating vision with graphics to produce robust wide-area augmented realities

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Multimedia, IEEE Transactions on  (Volume:1 ,  Issue: 1 )