BMVC 2004, Kingston, 7th-9th Sept, 2004

Robust incremental rectification of sports video sequences
J.B. Hayet, J. Piater and J. Verly (University of Liege)

We describe an important element of an automatic sport analysis system.
This element continuously estimates the image-to-model homography from
the video stream of a single camera. Here, we focus on the incremental
image-to-image updating of the homography matrix, which greatly facilitates
real-time operation. This updating relies on the automatic tracking of interest
lines and points and on their use for robust homography estimation. Results
on real video sequences are shown.
(pdf article)