367 search results - page 16 / 74 » Geometric Structure Computation from Conics |
CCCG
2010
13 years 10 months ago
2010
We analyze degeneracy of lower envelopes of algebraic surfaces. We focus on the cases omitted in the existing complexity analysis of lower envelopes [Halperin and Sharir 1993], an...
ICCV
2005
IEEE
14 years 10 months ago
2005
IEEE
This paper presents geometric invariants of points and their applications under central catadioptric camera model. Although the image has severe distortions under the model, we es...
COMSIS
2010
13 years 5 months ago
2010
We propose a new method for matching two 3D point sets of identical cardinality with global similarity but local non-rigid deformations and distribution errors. This problem arises...
SCALESPACE
2007
Springer
14 years 2 months ago
2007
Springer
In clinical applications where structural asymmetries between homologous shapes have been correlated with pathology, the questions of definition and quantification of ‘asymmetr...
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
In this paper, efficient and generic tools for calibration and 3D reconstruction are presented. These tools exploit geometric constraints frequently present in man-made environmen...