Management of large amounts of data in interactive building walkthroughs
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Surface simplification using quadric error metrics
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
GAPS: general and automatic polygonal simplification
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
MMR: an interactive massive model rendering system using geometric and image-based acceleration
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
The hemi-cube: a radiosity solution for complex environments
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
Conservative volumetric visibility with occluder fusion
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Conservative visibility preprocessing using extended projections
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Multidimensional binary search trees used for associative searching
Communications of the ACM
HLODs for faster display of large static and dynamic environments
I3D '01 Proceedings of the 2001 symposium on Interactive 3D graphics
Integrating occlusion culling with view-dependent rendering
Proceedings of the conference on Visualization '01
Hierarchical Visibility Culling with Occlusion Trees
CGI '98 Proceedings of the Computer Graphics International 1998
EGSR '13 Proceedings of the Eurographics Symposium on Rendering
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We propose the Hierarchical Degree-of-Visibility (HDoV) tree to support real-time visualization of large VEs. Each node in an HDoV tree represents a spatial region in the scene, and contains a precomputed Degree-of-Visibility value. In run-time, the DoV values can be used to update rapidly the DoV of each node when the viewing region changes. Each node is also associated with the LODs of the object(s). We propose two techniques to traverse the HDoV tree for real-time visualization. We also propose a method to compute the degree of visibility. We report experimental results of a prototype implementation that show the effectiveness of the proposed techniques.