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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gedik, O.S. Alatan, A.A. |
| Copyright Year | 2012 |
| Description | Author affiliation: Elektrik ve Elektronik Mühendisliği Bölümü, Orta Doğu Teknik Üniversitesi, Turkey (Gedik, O.S.; Alatan, A.A.) |
| Abstract | Applications such as robotics and augmented reality (AR) require 3D tracking of rigid objects. In robotic applications, the availability of accurate and robust pose estimates increases reliability, whereas in AR scenarios reliable pose estimates decrease jitter. Pure vision sensor based 3D trackers require either manual initializations of pose or off-line training stages. On the other hand, trackers relying on pure depth sensors are not suitable for AR applications. Therefore, an automated and flexible 3D tracking algorithm, which is based on sensor fusion via Extended Kalman Filter (EKF) and weighting of measurements, is proposed in this paper. 2D, as well as 3D, tracking performances are increased significantly with the help of a novel measurement-tracking scheme, based on estimation of optical flow using both intensity and shape index map (SIM) data of 3D point cloud. Requiring neither manual initialization of pose nor offline training, the proposed method enables highly accurate 3D tracking. The performance of the proposed method is tested against real and artificial data and yielded superior results against conventional techniques. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 512323 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781467300551 |
| e-ISBN | 9781467300568 |
| e-ISBN | 9781467300544 |
| DOI | 10.1109/SIU.2012.6204763 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-04-18 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Solid modeling Analytical models Shape Optical variables measurement Robot sensing systems Three dimensional displays |
| Content Type | Text |
| Resource Type | Article |
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