153 search results - page 21 / 31 » Smoothing an arc spline |
MICCAI
2007
Springer
15 years 10 months ago
2007
Springer
We present a novel method to track a guidewire in cardiac x-ray video. Using variational calculus, we derive differential equations that deform a spline, subject to intrinsic and e...
MICCAI
2002
Springer
15 years 10 months ago
2002
Springer
Non-rigid registration requires a smoothness or regularization term for making the warp field regular. Standard models in use here include b-splines and thin plate splines. In thi...
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SIGGRAPH
2000
ACM
15 years 2 months ago
2000
ACM
Named after the title, the PCCM transformation is a simple, explicit algorithm that creates large, smoothly joining bicubic Nurbs patches from a refined Catmull-Clark subdivision...
DICTA
2003
14 years 11 months ago
2003
In this paper, a color-based segmentation scheme applied to dermatoscopic scar images is proposed. The image is first preprocessed via a partial differential equations (PDE)-base...
WSCG
2003
14 years 11 months ago
2003
An optimal curve fitting technique has been developed which is meant to automatically provide a fit to any ordered digital data in plane. A more flexible class of rational cubic f...