Sciweavers

2527 search results - page 483 / 506
» Discrete optimization in computer vision
Sort
View
PSIVT
2007
Springer
203views Multimedia» more  PSIVT 2007»
14 years 4 months ago
Direct Ellipse Fitting and Measuring Based on Shape Boundaries
: Measuring ellipticity is an important area of computer vision systems. Most existing ellipticity measures are area based and cannot be easily applied to point sets such as extrac...
Milos Stojmenovic, Amiya Nayak
VLSM
2005
Springer
14 years 3 months ago
Incorporating Rigid Structures in Non-rigid Registration Using Triangular B-Splines
For non-rigid registration, the objects in medical images are usually treated as a single deformable body with homogeneous stiffness distribution. However, this assumption is inval...
Kexiang Wang, Ying He 0001, Hong Qin
BMCV
2000
Springer
14 years 2 months ago
The Spectral Independent Components of Natural Scenes
Abstract. We apply independent component analysis (ICA) for learning an efficient color image representation of natural scenes. In the spectra of single pixels, the algorithm was a...
Te-Won Lee, Thomas Wachtler, Terrence J. Sejnowski
ICCV
1999
IEEE
14 years 2 months ago
Camera Calibration and the Search for Infinity
This paper considers the problem of self-calibration of a camera from an image sequence in the case where the camera's internal parameters (most notably focal length) may cha...
Richard I. Hartley, Lourdes de Agapito, Ian D. Rei...
CVRMED
1997
Springer
14 years 2 months ago
Development and validation of a navigational guidance system for acetabular implant placement
During the past year our group has been developing HipNav, a system which helps surgeons determine optimal, patient-specific acetabular implant placement and accurately achieve the...
David A. Simon, Branislav Jaramaz, Mike Blackwell,...