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This paper presents an augmented reality gun application named AR-Ghost Hunter. AR-Ghost Hunter is an extension of the traditional first person game which adopts an innovative infrared marker system and portable computer to form a complete mobile AR system. In this system, players are able to fight with virtual ghost through special gun like devices in real environment. The basic issue of the system...
Flight cockpit head tracking system is an important impetus for head pose tracking in fields of virtual or augmented reality. This paper presents a novel approach to dynamically track pilot's head pose using sensor fusion. The proposed approach utilizes a sensor fusion framework, composed of extended Kalman filters (EKF) and fusion filters (FF), to fuse poses from an inside-out tracking (IOT) and...
Augmented reality (AR) Adventure Game is a wide-area indoor AR application for multiple users in Guangdong science center. Tracking the pose of users' head in wide area is crucial for alignment between virtual and real scene. This paper studies the key issues of wide-area indoor tracking system. Different from previous inside-looking-out vision-based tracking, coded infrared (IR) markers are installed...
Accurate head pose tracking is a key issue for indoor augmented reality systems. This paper proposes a novel approach to track head pose of indoor users using sensor fusion. The proposed approach utilizes a track-to-track fusion framework composed of extended Kalman filters and fusion filter to fuse the poses from the two complementary tracking modes of inside-out tracking (IOT) and outside-in tracking...
Fiducial marker based Augmented Reality has many applications. So far the inner pattern of the fiducial marker is always used to encode the markers. Thus a large portion of the fiducial marker image is used for encoding instead of providing corresponding feature points for pose accuracy. This paper presents a novel method which utilizes directly the projective invariant contained in the positional...
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