Sciweavers

775 search results - page 47 / 155
» Map Labeling and Its Generalizations
Sort
View
PODS
2006
ACM
122views Database» more  PODS 2006»
14 years 9 months ago
Inverting schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin
VRCAI
2006
ACM
14 years 2 months ago
Parallel-split shadow maps for large-scale virtual environments
Shadowing effects dramatically enhance the realism of virtual environments by providing useful visual cues. Shadow mapping is an efficient algorithm for real-time shadow renderin...
Fan Zhang, Hanqiu Sun, Leilei Xu, Lee Kit Lun
GRAPHICSINTERFACE
2008
13 years 10 months ago
Quality scalability of soft shadow mapping
Recently, several soft shadow mapping algorithms have been introduced which extract micro-occluders from a shadow map and backproject them on the light source to approximately det...
Michael Schwarz, Marc Stamminger
CGF
2007
165views more  CGF 2007»
13 years 8 months ago
Ray-Casted BlockMaps for Large Urban Models Visualization
We introduce a GPU-friendly technique that efficiently exploits the highly structured nature of urban environments to ensure rendering quality and interactive performance of city...
Paolo Cignoni, Marco Di Benedetto, Fabio Ganovelli...
CVPR
2006
IEEE
14 years 10 months ago
Control Theory and Fast Marching Techniques for Brain Connectivity Mapping
We propose a novel, fast and robust technique for the computation of anatomical connectivity in the brain. Our approach exploits the information provided by Diffusion Tensor Magne...
Emmanuel Prados, Stefano Soatto, Christophe Lengle...