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VIS
2004
IEEE
134views Visualization» more  VIS 2004»
14 years 9 months ago
Projecting Tetrahedra without Rendering Artifacts
Hardware-accelerated direct volume rendering of unstructured volumetric meshes is often based on tetrahedral cell projection, in particular, the Projected Tetrahedra (PT) algorith...
David S. Ebert, Martin Kraus, Wei Qiao
SC
2005
ACM
14 years 1 months ago
Bridging the Macro and Micro: A Computing Intensive Earthquake Study Using Discovery Net
We present the development and use of a novel distributed geohazard modeling environment for the analysis and interpretation of large scale earthquake data sets. Our work demonstr...
Yike Guo, Jian Guo Liu, Moustafa Ghanem, Kyran Mis...
ICDM
2009
IEEE
131views Data Mining» more  ICDM 2009»
13 years 5 months ago
Unified Solution to Nonnegative Data Factorization Problems
In this paper, we restudy the non-convex data factorization problems (regularized or not, unsupervised or supervised), where the optimization is confined in the nonnegative orthan...
Xiaobai Liu, Shuicheng Yan, Jun Yan, Hai Jin
NN
2008
Springer
158views Neural Networks» more  NN 2008»
13 years 7 months ago
Improved mapping of information distribution across the cortical surface with the support vector machine
The early visual cortices represent information of several stimulus attributes, such as orientation and color. To understand the coding mechanisms of these attributes in the brain...
Youping Xiao, Ravi Rao, Guillermo A. Cecchi, Ehud ...
ICIP
2008
IEEE
14 years 9 months ago
Movie summarization based on audiovisual saliency detection
Based on perceptual and computational attention modeling studies, we formulate measures of saliency for an audiovisual stream. Audio saliency is captured by signal modulations and...
Georgios Evangelopoulos, Konstantinos Rapantzikos,...