Radiosity and realistic image synthesis:
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Boston u.a.
Acad. Press
1993
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Literaturverz. S. 349 - 372 |
| Beschreibung: | XV, 381 S. Ill., graph. Darst. |
| ISBN: | 0121782700 |
Internformat
MARC
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| 100 | 1 | |a Cohen, Michael F. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Radiosity and realistic image synthesis |c Michael F. Cohen ; John R. Wallace |
| 264 | 1 | |a Boston u.a. |b Acad. Press |c 1993 | |
| 300 | |a XV, 381 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Literaturverz. S. 349 - 372 | ||
| 650 | 0 | 7 | |a Radiosity |0 (DE-588)4331106-4 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Realistische Computergrafik |0 (DE-588)4205002-9 |2 gnd |9 rswk-swf |
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| 700 | 1 | |a Wallace, John R. |e Verfasser |4 aut | |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-006366221 | ||
Datensatz im Suchindex
| _version_ | 1804123973027364864 |
|---|---|
| adam_text | Rodiositijond
Realistic Image
Synthesis
Michael R Cohen
John R Wallace
Mogan Kaufmann Publishers, Inc
San Francisco, California
Contents
Foreword by Donald Greenberg xi
Preface xiii
Introduction 1
1 1 Realistic Image Synthesis 1
111 Goals 2
112 Limitations 2
12A Short Historical Perspective 4
121 Raster Graphics 5
122 Global Illumination Models 6
123 Early Radiosity Methods 7
124 The Rendering Equation 8
1 3 Radiosity and Finite Element Methods 8
1 4 The Radiosity Method and This Book 10
Rendering Concepts by Pat Hanrahan 13
2 1 Motivation 13
2 2 Basic Optics 14
2 3 Radiometry and Photometry 15
2 4 The Light Field 17
241 Transport Theory 17
242 Radiance and Luminance 19
243 Irradiance and Illuminance 24
244 Radiosity and Luminosity 25
245 Radiant and Luminous Intensity 25
246 Summary of Radiometric and Photometric Quantities 27
2 5 Reflection Functions 28
251 The Bidirectional Reflection Distribution Function 28
252 Mirror Reflection 30
253 The Reflectance 31
254 Lambertian Diffuse Reflection 32
255 Glossy Reflection 33
2 6 The Rendering Equation 36
261 Local or Direct Illumination 37
vi CONTENTS
262 Global or Indirect Illumination 38
263 The Radiosity Equation 40
3 Discretizing the Radiosity Equation 41
3 1 The Radiosity Equation 41
3 2 Making Image Synthesis Tractable 42
3 3 The Radiosity Approach 46
3 4 Approximating Radiosity across a Surface 48
3 5 Error Metrics 53
351 Point Collocation 55
352 Galerkin Form of Weighted Residuals 56
3 6 Constant Element Radiosities 57
3 7 Higher-Order Basis Functions 60
3 8 Parametric Mapping to a Master Element 61
381 Master Elements 61
382 Isoparametric Mapping 62
3 9 Summary 63
4 The Form Factor 65
I The Form Factor Integral 65
4 1 The Coefficients of K 66
4 2 The Differential Form Factor 67
4 3 Three Formulations of the Form Factor 69
4 4 Computing the Form Factor 70
II Closed Form Solutions for the Form Factor 72
4 5 Formulae for Simple Shapes 72
4 6 Differential Area to Convex Polygon 72
4 7 General Polygon to Polygon 74
III Numerical Solutions for the Form Factor 75
4 8 Numerical Integration in General 76
481 Gaussian Quadrature 77
482 Quadrature Points and the Form Factor Integral 77
483 Monte Carlo Methods 77
4 9 Evaluating the Inner Integral 79
491 Hemisphere Sampling Algorithms 79
492 Nusselt Analog 80
493 The Hemicube 80
494 Single-Plane Method 88
495 Monte Carlo Ray Tracing 89
496 Area Sampling Algorithms 90
4 10 Full Area-to-Area Quadrature 94
4 10 1 Monte Carlo Integration 94
CONTENTS vii
4 11 Contour Integral Formulation 95
4 12 A Simple Test Environment 96
4 13 Nonconstant Basis Functions 98
4 13 1 The Hemicube for General Form Factors 99
4 13 2 Monte Carlo for General Form Factors 99
4 13 3 Singularities in the Integrand 100
4 14 Acceleration Techniques 103
4 14 1 Hemicube Acceleration 103
4 14 2 Ray Tracing Acceleration 106
5 Radiosity Matrix Solutions 109
5 1 Qualities of the Matrix 110
5 2 Linear System Solution Methods 112
521 Direct Methods 112
522 Iterative Methods 112
5 3 Relaxation Methods 113
531 Jacobi Iteration 113
532 Gauss-Seidel Iteration 114
533 Southwell Iteration 116
534 Ambient Energy and Overrelaxation 122
5 4 Dynamic Environments 126
541 Lighting Changes 126
542 Reflectivity Changes 127
543 Changes in Geometry 127
5 5 Parallel Implementations 129
6 Domain Subdivision 131
6 1 Error Metrics 132
611 True Error 132
612 Local Estimate of Approximation Error 132
613 Residual of the Approximate Solution 134
614 Error Based on the Behavior of the Kernel 135
615 Image Based Error Metrics 135
616 Perceptually Based Error Metrics 136
6 2 Mesh Characteristics and Accuracy 136
621 An Example 137
622 Mesh Density 139
623 Element Order and Continuity 142
624 Element Shape 144
625 Discontinuities 149
6 3 Automatic Meshing Algorithms 152
631A Posteriori Meshing 154
viii CONTENTS
632 Adaptive Subdivision: H-refinement for Radiosity 157
633 Error Estimation for Adaptive Subdivision 159
634 Deciding How to Subdivide 165
7 Hierarchical Methods 167
I Hierarchical Subdivision 168
71A Physical Example 168
7 2 Two-Level Hierarchy 169
7 3 The K Matrix 171
7 4 Multilevel Hierarchy 176
741 N-Body Problem 177
742 Radiosity and the N-Body Problem 177
743 Hierarchical Refinement 177
744 Solution of the Hierarchical System 181
745 The Oracle Function 182
746 Progressive Refinement of the Hierarchy 184
747 Experimental Results 187
II Hierarchical Basis Functions and Wavelets 187
7 5 Hierarchical Basis Functions 187
7 6 Wavelets 190
761 Haar Basis 190
762 Vanishing Moments 194
763 Vanishing Moments and Sparse Representations 195
764A Wavelet Radiosity Algorithm 198
III Importance-Based Radiosity 201
7 7 Importance Meshing 201
771 The Importance Equation 202
772 Importance-Based Error 204
7 8 Hierarchical Radiosity and Importance 205
781 Pseudocode 205
782 Example Results 208
8 Meshing 209
8 1 Basic Subdivision Techniques 209
8 2 Mesh Template Methods 210
821 Grid Superposition 210
822 Template Mapping 211
823 Multiblocking 212
824 Adaptive Subdivision with Templates 214
8 3 Decomposition Methods 216
831 Nodes-Elements-Together Decomposition 217
832 Decomposition by Recursive Splitting 217
CONTENTS ix
833 Decomposition by Advancing Front 218
834 Nodes-First Decomposition 219
8 4 Mesh Smoothing 221
8 5 Discontinuity Meshing 222
851 Discontinuities in Value 222
852 First and Second Derivative Discontinuities 224
853 Shadow Volume Algorithms 229
854 Critical Surface Algorithms 231
8 6 Topological Data Structures and Operators 234
861 Data Structure Criteria 235
862 The Winged-Edge Data Structure 235
8 7 Alternatives to Meshing 239
9 Rendering 243
9 1 Reconstructing the Radiosity Function 244
9 2 Interpolation Methods for Rendering 245
921 C° Interpolation 245
922C1 Interpolation 252
9 3 Two-Pass Methods 257
931 Evaluating the Radiosity Equation per Pixel 259
932 Multi-Pass Methods 265
9 4 Incorporating Surface Detail 266
941 Texture Mapping 266
942 Bump Mapping 267
9 5 Mapping Radiosities to Pixel Colors 267
951 Gamma Correction 268
952 Real-World Luminance to Pixel Luminance 268
9 6 Color 273
961 Human Vision and Color 274
962 Color Matching Functions and the CIE Chromaticity Di-
agram 276
963 Color Spaces and Image Synthesis 280
964 Direct Use of Spectral Data 283
9 7 Hardware Accelerated Rendering 284
971 Walkthroughs 284
972 Hardware-Supported Texture Mapping 285
973 Visibility Preprocessing 286
10 Extensions 289
10 1 Nondiffuse Light Sources 289
10 1 1 Form Factors to and from Light Sources 290
10 1 2 Point Lights 293
x CONTENTS
10 1 3 Parallel Lights 293
10 1 4 General Luminaires 293
10 1 5 Spot Lights 295
10 1 6 Sky Light 295
10 1 7 Normalization 297
10 1 8 Light Source Data 298
10 2 Directional Reflection 299
10 2 1 Classifying Transport Paths 299
10 2 2 Tracing the Transport Paths 302
10 2 3 Implicit Methods 307
10 2 4 Explicit Methods 309
10 2 5 Non-Lambertian Reflection and Hierarchical Methods 316
10 2 6 Transmission 317
10 2 7 Two-Pass Methods 319
10 2 8 Surface Refiectance/Transmittance Data 324
10 3 Participating Media 325
10 3 1 Path Integrals 326
10 3 2 The Zonal Method 327
11 Applications and Research 331
11 1 Applications 331
11 1 1 Architectural Design 332
11 1 2 Lighting Design 334
11 1 3 Remote Sensing 338
11 1 4 Visual Shape Understanding 338
11 1 5 Infrared Signature Analysis 339
11 1 6 Fine Arts 340
11 2 Experimental Validation 340
11 3 Future Research Directions 343
11 3 1 Error Analysis 343
11 3 2 Perceptually Based Error Metrics 343
11 3 3 Physically Based Emission and BRDF Data 344
11 3 4 Meshing 345
11 3 5 Hierarchy 345
11 4 Conclusion 347
Bibliography 349
Index 373
|
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| id | DE-604.BV009633530 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T17:38:16Z |
| institution | BVB |
| isbn | 0121782700 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006366221 |
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| physical | XV, 381 S. Ill., graph. Darst. |
| publishDate | 1993 |
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| publisher | Acad. Press |
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| spelling | Cohen, Michael F. Verfasser aut Radiosity and realistic image synthesis Michael F. Cohen ; John R. Wallace Boston u.a. Acad. Press 1993 XV, 381 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Literaturverz. S. 349 - 372 Radiosity (DE-588)4331106-4 gnd rswk-swf Realistische Computergrafik (DE-588)4205002-9 gnd rswk-swf Radiosity (DE-588)4331106-4 s DE-604 Realistische Computergrafik (DE-588)4205002-9 s Wallace, John R. Verfasser aut HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006366221&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Cohen, Michael F. Wallace, John R. Radiosity and realistic image synthesis Radiosity (DE-588)4331106-4 gnd Realistische Computergrafik (DE-588)4205002-9 gnd |
| subject_GND | (DE-588)4331106-4 (DE-588)4205002-9 |
| title | Radiosity and realistic image synthesis |
| title_auth | Radiosity and realistic image synthesis |
| title_exact_search | Radiosity and realistic image synthesis |
| title_full | Radiosity and realistic image synthesis Michael F. Cohen ; John R. Wallace |
| title_fullStr | Radiosity and realistic image synthesis Michael F. Cohen ; John R. Wallace |
| title_full_unstemmed | Radiosity and realistic image synthesis Michael F. Cohen ; John R. Wallace |
| title_short | Radiosity and realistic image synthesis |
| title_sort | radiosity and realistic image synthesis |
| topic | Radiosity (DE-588)4331106-4 gnd Realistische Computergrafik (DE-588)4205002-9 gnd |
| topic_facet | Radiosity Realistische Computergrafik |
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