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| Algorithm for Constrained 3D Object Pose Determination from Single Intensity Images |
| CHENG Lan1, XING Zhe2, TIAN Yuan3 |
1.Research office, Anyang Institute of Technology, Anyang 455000
2.Department of Electronic Engineering, Shandong University of Science and Technology, Taian 271000
3.Integrated Information System Research Center, Institute of Automation, Chinese Academy of Sciences, Beijing 100080 |
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Abstract Objects, such as road vehicles, are often constrained on a ground plane. The groundplane constraint significantly reduces the pose redundancy of 2D image and 3D line matching. A method is proposed to locate 3D objects on a known plane from a single calibrated intensity image. Firstly, all possible rotation angles of a given model are computed and clustered to obtain some of the most probable rotation angles. Then all possible positions are calculated and clustered for each rotation angle. The candidate rotation angles and positions are filtered and refined to obtain the final results. The proposed method is capable of coping with moderate occlusion. The effectiveness of the method has been verified by experiments.
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Received: 31 July 2006
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2007, Vol. 20 
