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SIGGRAPH
1994
ACM
14 years 8 days ago
A clustering algorithm for radiosity in complex environments
We present an approach for accelerating hierarchical radiosity by clustering objects. Previous approaches constructed effective hierarchies by subdividing surfaces, but could not ...
Brian E. Smits, James Arvo, Donald P. Greenberg
ECAI
1990
Springer
14 years 8 days ago
The Semantics of MOLUSC
Much recent work in computational morphology has presupposed that morphological operations are de nable on strings of phonological or graphemic objects. By contrast, theoretical l...
Lynne J. Cahill, Gerald Gazdar
ICIAR
2010
Springer
14 years 6 days ago
Segmentation Based Noise Variance Estimation from Background MRI Data
Accurate and precise estimation of the noise variance is often of key importance as an input parameter for posterior image processing tasks. In MR images, background data is well s...
Jeny Rajan, Dirk Poot, Jaber Juntu, Jan Sijbers
IPAS
2008
13 years 10 months ago
Automatic determination of runway edges in poor visibility conditions
The automatic detection of runway hazards from a moving platform under poor visibility conditions is a multifaceted problem. The general approach that we use relies on looking at ...
Sri Satya Vardhan Gogineni, Zia-ur Rahman
CW
2005
IEEE
13 years 10 months ago
Using a Floating Origin to Improve Fidelity and Performance of Large, Distributed Virtual Worlds
Large Virtual Worlds (VWs) are increasingly common in the computer graphics areas of simulation, games, geospatial or scientific visualisation. In such VWs, simulated motion of th...
Chris Thorne