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14: Advanced Issues
in Level of Detail
Sunday, Full Day
8:30 am – 5:15 pm
Room 006CD
For graphics and games developers, Level of Detail (LOD)
algorithms have become a crucial tool for managing complexity.
This advanced course addresses some important issues in
using LOD, including evaluating geometric and perceptual
fidelity of LODs, balancing fidelity and performance,
controlled topology reduction, and view-dependent LOD.
Prerequisites
Knowledge of the basic LOD concept and experience with
interactive graphics systems. This course is designed
for developers who want to become sophisticated LOD users
and researchers who want to broaden their knowledge of
the field.
Topics
Algorithms and frameworks (appearance-preserving simplification,
continuous and view-dependent LOD, controlled topology
reduction). Theory: measuring and controlling fidelity
(LOD error metrics for geometry and attributes, perceptual
analysis of degradation in detail, the fidelity-performance
tradeoff, perceptual issues). Applications (terrain simplification,
gaming optimizations).
Organizer
David Luebke
University of Virginia
Lecturers
Jonathan Cohen
The Johns Hopkins University
Rob Heubner
Nihilistic Software
David Luebke
University of Virginia
Martin Reddy
SRI International
Amitabh Varshney
University of Maryland
Benjamin Watson
Northwestern University
Schedule
| Module
1: Frameworks |
| 8:30 |
Welcome:
Introductions, Overview
Luebke |
| 8:50 |
Frameworks:
Static, Continuous, and View-Dependent LOD
Luebke |
| 10:15 |
Break |
| Module
2: Algorithms |
| 10:30 |
Algorithms
for Simplifications
Varshney |
| 11:30 |
Appearance-Preserving
Simplification
Cohen |
| 12:15 |
Lunch |
| Module
3: Theory: Measuring and Regulating Fidelity |
| 1:30 |
Fidelity:
Measuring Geometric and Attribute Error
Cohen |
| 1:50 |
Perception:
Theoretical Underpinnings
Reddy |
| 2:30 |
Tradeoffs:
Balancing Fidelity and Performance
Watson |
| Module
4: Applications: Games and Terrains |
| 3:30 |
Gaming
Optimizations
Huebner |
| 4:15 |
Terrain
Simplification
Reddy |
| 4:45 |
Out-of-Core
Simplification
Waston |
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