Geometric computation for machine vision
Geometric computation for machine vision
IEEE Transactions on Pattern Analysis and Machine Intelligence
A Theory of Single-Viewpoint Catadioptric Image Formation
International Journal of Computer Vision
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume II - Volume II
Epipolar Geometry of Panoramic Cameras
ECCV '98 Proceedings of the 5th European Conference on Computer Vision-Volume I - Volume I
An Omnidirectional Vision System That Finds and Tracks Color Edges and Blobs
RoboCup 2001: Robot Soccer World Cup V
Fast Image Segmentation, Object Recognition and Localization in a RoboCup Scenario
RoboCup-99: Robot Soccer World Cup III
Exploring artificial intelligence in the new millennium
Catadioptric Omnidirectional Camera
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
A Ball Detection Algorithm for Real Soccer Image Sequences
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 1 - Volume 1
Tracking Players and Estimation of the 3D Position of a Ball in Soccer Games
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 1
Automatic Parsing of TV Soccer Programs
ICMCS '95 Proceedings of the International Conference on Multimedia Computing and Systems
Physics-Based 3D Position Analysis of a Soccer Ball from Monocular Image Sequences
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
On the Epipolar Geometry of the Crossed-Slits Projection
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Camera calibration using spheres: A semi-definite programming approach
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Robust Real-Time Face Detection
International Journal of Computer Vision
Spherical Objects based Motion Estimation for Catadioptric Cameras
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 3 - Volume 03
An Effective and Fast Soccer Ball Detection and Tracking Method
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 4 - Volume 04
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 1
A novel ball detection framework for real soccer video
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 1
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 01
Semantic analysis of soccer video using dynamic Bayesian network
IEEE Transactions on Multimedia
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In order to improve robot capabilities related to playing with a flying ball, reliable methods to localize a sphere in the 3D space are needed. When the radius of the sphere is known, it can be localized by analyzing a single, perspective image of it. When the sphere radius is not known, a single perspective image is not sufficient. In this paper we consider axial-symmetric catadioptric cameras, i.e. devices consisting of an axial-symmetric mirror plus a perspective camera, whose viewpoint is on the symmetry axis. If the viewing rays are not all concurrent at a single point, this camera is said to be non-central. We show that, using a noncentral axial-symmetric catadioptric camera, a single image is sufficient to determine both the position of a sphere and its radius. Some preliminary experimental results are also presented.