β Scribed by Aditi Majumder, Michael S. Brown
No coin nor oath required. For personal study only.
Large-area high-resolution displays are essential for scientific visualization, entertainment, and defense applications. A popular way to realize such displays is to tile multiple projectors together to create one large display. As opposed to a 19β diagonal monitor with a resolution of 60 pixels per inch, tiled multi-projector displays are often 10β x 8β and have a resolution of 100-300 pixels per inch. The research in this area spans several traditional areas in computer science, including computer vision, computer graphics, image processing, human-computer interaction, and visualization tools. This book shows how to make such displays inexpensive, flexible, and commonplace by making them both perceptually and functionally seamless. In addition, the use of multi-projector techniques in large-scale visualization, virtual reality, computer graphics, and vision applications is discussed. Β
Contents......Page 6
Foreword......Page 8
1. Introduction......Page 13
1.1 Life-Size High-Resolution Displays......Page 15
1.2 Building Large Tiled Displays......Page 16
1.3 State of the Art......Page 20
1.4 Focus and Organization......Page 23
2.1 Evaluating Projector Characteristics......Page 25
2.2 Core Projection Technologies......Page 28
2.3 Associated Optical Elements......Page 33
2.4 Projection Architectures......Page 39
2.5 Comparison of Different Projection Technologies......Page 42
2.6 Multi-Projector Displays......Page 44
2.7 Summary......Page 54
3. Geometric Alignment......Page 55
3.1 Nature of the Display Surfaces......Page 56
3.2 Geometric Registration Techniques......Page 61
3.3 Implementation Details......Page 77
3.4 Discussion......Page 85
3.5 Summary......Page 88
4.1 Background......Page 89
4.2 Color Variation in Multi-Projector Displays......Page 95
4.3 Modeling Color Variation......Page 115
4.4 Color-Calibration Methods......Page 127
4.5 Summary......Page 162
5. PC-Cluster Rendering for Large-Scale Displays......Page 165
5.1 Rendering Imagery for Multi-Projector Displays......Page 166
5.2 Distributed Rendering using Chromium......Page 168
5.3 Seamless Tiled Displays using Chromium......Page 171
5.4 Implementing Various Corrections in OpenGL......Page 177
5.5 Demonstrations......Page 181
5.7 Summary......Page 186
6. Advanced Distributed Calibration......Page 189
6.1 System Overview......Page 191
6.2 Asynchronous Distributed Calibration......Page 195
6.3 Advanced Features......Page 207
6.4 Conclusion......Page 210
A.1 Color......Page 213
A.2 Measuring Color......Page 215
B.1 Stimulus and Response......Page 227
B.2 The Human Visual System......Page 228
B.3 Visual Limitations and Capabilities......Page 230
B.4 Relationship to Tiled Displays......Page 233
C. Camera Lens-Distortion Correction......Page 237
Bibliography......Page 241
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