17 search results - page 3 / 4 » Contour Grouping Based on Local Symmetry |
ECCV
2004
Springer
14 years 6 months ago
2004
Springer
Abstract. For shapes represented as closed planar contours, we introduce a class of functionals that are invariant with respect to the Euclidean and similarity group, obtained by p...
CVPR
2000
IEEE
14 years 7 months ago
2000
IEEE
Humans have an innate ability to perceive symmetry, but it is not obvious how to automate this powerful insight. In this paper the mathematical theory of Frieze and wallpaper grou...
CVPR
2001
IEEE
14 years 7 months ago
2001
IEEE
We present a novel approach for tracking locally planar regions in an image sequence and their grouping into larger planar surfaces. The tracker recovers the affine transformation...
ECCV
2006
Springer
14 years 6 months ago
2006
Springer
Abstract. We present an approach for camera calibration from the image of at least two circles arranged in a coaxial way. Such a geometric configuration arises in static scenes of ...
AUIC
2005
IEEE
13 years 10 months ago
2005
IEEE
The augmented desk is gaining popularity in recent HCI research. Its layout of a large horizontal screen on the desk enhances immersive and intense collaborative experiences. A re...