Eikel, Benjamin: Spherical visibility sampling : preprocessed visibility for occlusion culling in complex 3D scenes. 2014
Inhalt
- 1 Introduction
- 2 Related Work
- 2.1 Visibility Culling
- 2.2 Spherical Sampling in Computer Graphics
- 2.3 Budget Rendering
- 2.4 Rendering on Mobile Devices
- 2.5 Classification of SVS
- 3 Preprocessing
- 3.1 Preparation of the Hierarchical Data Structure
- 3.2 Efficiency Considerations for Rendering
- 3.3 Bounding Sphere Computation
- 3.4 Sample Point Distribution on the Sphere
- 3.5 Computation of the Visibility Spheres
- 3.6 Types of Sampling Errors
- 4 Rendering
- 4.1 Tree Traversal
- 4.2 Determining the Potentially Visible Objects
- 4.3 Optional Budget Rendering
- 4.4 Rendering Animated Objects
- 5 Evaluation
- 5.1 Software Implementation and Hardware
- 5.2 Test Scenes
- 5.2.1 Scene PP
- 5.2.2 Scene PP4
- 5.2.3 Scene PP256
- 5.2.4 Scene Pompeii
- 5.2.5 Scene Boeing
- 5.2.6 Scene PPBoeing5
- 5.2.7 Scene SphereOfCubes
- 5.3 Sample Point Distribution
- 5.4 Interpolation Technique
- 5.5 Computation of Bounding Spheres
- 5.6 Visibility Testing in Inner Nodes
- 5.7 Image Resolution
- 5.8 Errors introduced by Different Projections
- 5.9 Storage Space
- 5.10 Total Preprocessing Time
- 5.11 Camera Paths
- 5.11.1 Camera Path in Scene PP
- 5.11.2 Camera Path in Scene PP4
- 5.11.3 Camera Path in Scene PP256
- 5.11.4 Camera Path in Scene Pompeii
- 5.11.5 Camera Path in Scene PPBoeing5
- 5.12 Other Occlusion Culling Algorithms for Comparison
- 5.12.1 Coherent Hierarchical Culling Revisited (CHC++)
- 5.12.2 Adaptive Global Visibility Sampling (AGVS)
- 5.12.3 Preprocessing of Scene PP4 by AGVS
- 5.13 Image Quality
- 5.13.1 Image Quality Results for Scene PP4
- 5.13.2 Image Quality Results for Scene PP256
- 5.13.3 Image Quality Results for Scene Pompeii
- 5.13.4 Image Quality Results for Scene PPBoeing5
- 5.13.5 Conclusion
- 5.14 3D Rendering on Workstations
- 5.14.1 Performance Results for Scene PP4
- 5.14.2 Performance Results for Scene PP256
- 5.14.3 Performance Results for Scene Pompeii
- 5.14.4 Performance Results for Scene PPBoeing5
- 5.14.5 Conclusion
- 5.15 Budget Rendering
- 5.15.1 Performance and Quality Results for Scene PP256
- 5.15.2 Performance and Quality Results for Scene Pompeii
- 5.15.3 Conclusion
- 5.16 3D Rendering on Mobile Devices
- 6 Conclusion