401 search results - page 70 / 81 » Geometry of Isophote Curves |
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...
SIGGRAPH
2000
ACM
13 years 12 months ago
2000
ACM
This paper studies the problem of plenoptic sampling in imagebased rendering (IBR). From a spectral analysis of light field signals and using the sampling theorem, we mathematica...
SIGGRAPH
1999
ACM
13 years 12 months ago
1999
ACM
We present a solution to the general problem of characterizing shadows in scenes involving a uniform polygonal area emitter and a polygonal occluder in arbitrary position by manif...
SIGGRAPH
1992
ACM
13 years 11 months ago
1992
ACM
This paper discusses how interval analysis can be used to solve a wide variety of problems in computer graphics. These problems include ray tracing, interference detection, polygo...
SIGGRAPH
1995
ACM
13 years 11 months ago
1995
ACM
In this paper we describe a new tool for interactive free-form fair surface design. By generalizing classical discrete Fourier analysis to two-dimensional discrete surface signals...