29 search results - page 1 / 6 » Point sampling with general noise spectrum |
TOG
2012
11 years 10 months ago
2012
Point samples with different spectral noise properties (often defined using color names such as white, blue, green, and red) are important for many science and engineering discip...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Recently several time-domain approaches relying on the generalized likelihood ratio test (GLRT) paradigm have been proposed for multiple antenna spectrum sensing in cognitive radi...
SIGGRAPH
1989
ACM
13 years 11 months ago
1989
ACM
A solid noise is a function that defines a random value at each point in space. Solid noises have immediate and powerful applications in surface texturing, stochastic modeling, a...
TOG
2012
11 years 10 months ago
2012
Procedural noise is a fundamental tool in Computer Graphics. However, designing noise patterns is hard. In this paper, we present Gabor noise by example, a method to estimate the ...
TVCG
2008
13 years 7 months ago
2008
We present a practical approach to generate stochastic anisotropic samples with Poisson-disk characteristic over a two-dimensional domain. In contrast to isotropic samples, we unde...