Title :
Homography estimation in omnidirectional vision under the L∞-norm
Author :
Zhang, Liwei ; Li, Youfu ; Zhang, Jianwei ; Hu, Ying
Author_Institution :
Dept. of Manuf. Eng. & Eng. Manage., City Univ. of Hong Kong, Hong Kong, China
Abstract :
Solving the vision problem using convex optimization theory is now a focus in computer vision and robot communities. Second Order Cone Programming (SOCP) is especially effective in these methods. This paper discusses homography estimation in omnidirectional vision under the L∞-norm, which provides a theoretical guarantee of global optimality and a wide field of view. We give three different kinds of frameworks in this paper. This approach provides a theoretical guarantee of global optimality. A robot with this algorithm, which provides global optimality and a wide field of view demonstrated by good performance in experiments for synthetic and real data, has a more exact location and 3D reconstruction ability, which cannot be provided by traditional homography estimate method under traditional vision system.
Keywords :
computer vision; motion estimation; optimisation; 3D reconstruction ability; L∞-norm; computer vision; convex optimization theory; homography estimation; omnidirectional vision; robot communities; second order cone programming; Cameras; Convex functions; Cost function; Estimation; Mirrors; Noise;
Conference_Titel :
Robotics and Biomimetics (ROBIO), 2010 IEEE International Conference on
Conference_Location :
Tianjin
Print_ISBN :
978-1-4244-9319-7
DOI :
10.1109/ROBIO.2010.5723546