Kalman Filter for Hybrid Tracking Technique in Augmented Reality
Keywords:Augmented reality, computer vision, hybrid tracking, Kalman filter, sensor fusion
Augmented reality started to emerge as a promising visualization technique that tracks real objects and adds virtual content into real world context using camera view. Many augmented reality solutions are based on computer vision techniques to identify and track objects. Problems that must be solved are image transformations, chaotic environment, lighting condition and occlusion from users’ or objects in the environment, which causes virtual content to disappear. This has a negative impact for augmented reality usability, therefore, object recognition and tracking in real-time becomes difficult and sometimes an impossible task. In this research orientation-position information acquisition using computer vision and sensor fusion techniques are analysed. Experiments are accomplished with predefined assumptions and simulated orientation-position information. Conditions for optimal orientation-position estimates are introduced. Research results are compared and supplementary properties are presented of a proposed hybrid tracking technique using Kalman filter.
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