Pose determination of a cylinder using reprojection transformation

Authors:
Jen-Bin Huang;Zen Chen;Tsorng-Lin Chia
Affiliations:
Institute of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu, Taiwan 30050;Institute of Computer Science and Information Engineering, National Chiao Tung University, Hsinchu, Taiwan 30050;Department of Electrical Engineering, Chung Cheng Institute of Technology, Taoyuan, Taiwan
Venue:
Pattern Recognition Letters
Year:
1996

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Abstract

Extracting useful and robust feature points from a cylinder image for 3D pose determination is a relatively difficult task, since there are no feature points or lines on the cylinder. In this study, a key vector from a cylinder image is found to yield a transformation. The cylinder is then ''reprojected'' from the original image to obtain a new image using the transformation. The new image reveals some important features capable of determining the 3D cylinder position robustly. The proposed method can yield an exact and analytical solution without the requirement of using any special marks, extra equipment or assumptions. Additionally, a problem in which both circles on the cylinder are not completely visible due to the viewing angle can be resolved by this method. Finally, experimental results are provided to verify the theory and show the robustness of our method.