44 search results - page 3 / 9 » Radial Distortion Snakes |
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
Most camera calibration algorithms consider parameters that define the lens distortion mapping. The usual way to determine these parameters is to minimize a nonlinear optimization...
ICRA
2010
IEEE
13 years 6 months ago
2010
IEEE
— Image keypoints are broadly used in robotics for different purposes, ranging from recognition to 3D reconstruction, passing by SLAM and visual servoing. Robust keypoint matchin...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
Epipolar geometry and relative camera pose computation are examples of tasks which can be formulated as minimal problems and solved from a minimal number of image points. Finding ...
CVIU
2006
13 years 7 months ago
2006
In this paper we study projection systems with a single effective viewpoint, including combinations of mirrors and lenses (catadioptric) as well as just lenses with or without rad...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
A common problem in most active contour methods is that the recursive searching scheme can only return a local optimal solution. Furthermore, the internal energy of the snake is n...