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GEOINFORMATICA
2007
111views more  GEOINFORMATICA 2007»
13 years 7 months ago
LiDAR-Derived High Quality Ground Control Information and DEM for Image Orthorectification
Orthophotos (or orthoimages if in digital form) have long been recognised as a supplement or alternative to standard maps. The increasing applications of orthoimages require effor...
Xiaoye Liu, Zhenyu Zhang, Jim Peterson, Shobhit Ch...
SIGGRAPH
1996
ACM
13 years 11 months ago
Fitting Smooth Surfaces to Dense Polygon Meshes
Recent progress in acquiring shape from range data permits the acquisition of seamless million-polygon meshes from physical models. In this paper, we present an algorithm and syst...
Venkat Krishnamurthy, Marc Levoy
VRCAI
2006
ACM
14 years 1 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