26 search results - page 3 / 6 » Explicit matrix representation for NURBS curves and surfaces |
SIAMIS
2008
13 years 7 months ago
2008
Motion of curves governed by geometric evolution laws, such as mean curvature flow and surface diffusion, is the basis for many algorithms in image processing. If the images to be ...
SIGGRAPH
1998
ACM
13 years 11 months ago
1998
ACM
In this paper we disprove the belief widespread within the computer graphics community that Catmull-Clark subdivision surfaces cannot be evaluated directly without explicitly subd...
ISBI
2004
IEEE
14 years 8 months ago
2004
IEEE
Surface data such as the segmented cortical surface of the human brain plays an important role in medical imaging. To increase the signal-to-noise ratio for data residing on the b...
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
Standard methods for image interpolation are based on smoothly fitting the image intensity surface. Recent edgedirected interpolation methods add limited geometric information (ed...
NPAR
2010
ACM
14 years 19 days ago
2010
ACM
We present a simple technique for creating fluid silhouettes described with vector graphics, which we call ”Vector Fluid.” In our system, a solid region in the fluid is repr...