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Contents Chapter 1 Introduction Chapter 2 Background Light Human Perception and Judgments Luminance and Brightness Color Directional Effects Textures and Patterns Image Synthesis Shape Incident Light Material Summary and Further Reading Chapter 3 Observation and Classification A Tour of Materials Examples of Modeling Classes of Materials Chapter 4 Mathematical Terms Energy as a Function of Time, Position, and Direction Position Direction Radiance Reflectance and the BRDF Distribution Functions Energy Conservation and the BRDF Reciprocity and the BRDF Chapter 5 General Material Models Reflection and Refraction from a Smooth Surface Empirical Models Lambertian Reflectance Phong Reflectance Ward Reflectance Lafortune Reflectance Ashikhmin-Shirley Anisotropic Phong Reflectance Analytical First Principles Models Micro-facet Distributions Models Based on Geometric Optics Blinn and Cook-Torrance Reflectance Oren-Nayar Reflectance Models Based on Wave Optics Simulation from First Principles Spectral Effects Other Effects Polarization Phosphorescence and Fluorescence Scattering in Volumes Measured Properties Solid Volumetric Media: Subsurface Scattering Spatial Variations Chapter 6 Specialized Material Models Natural Organic Materials Humans and Other Mammals Birds, Reptiles, Amphibians, Fish and Insects Plants Natural: Inorganic Porous Materials Water in Other Materials: Wet/Dry Appearance Snow Materials in Manufactured Goods Fabrics Paints, Coatings and Artistic Media Gems Chapter 7 Measurement Traditional Measurement Gonio reflectometers Nephelometers Industrial Measurement Devices Image-Based BRDF Measurements of Sample Materials Cameras as Sensors Measuring Prepared Homogeneous Material Samples Measurement of Existing Objects Large Objects and Buildings Simultaneous Shape and Reflectance Capture Small Scale Geometric Structures Normal and Bump Maps Bidirectional Texture Functions Alternative Representations Subsurface Scattering and Volumetric Media Additional Dimensions Chapter 8 Aging and Weathering Weathering Taxonomy Chemical Mechanical Biological Combined Processes Simulation of Weathering Effects Patination Impacts Scratches Cracking Flow and Deposition Dust Accumulation Weathering Systems Replication of Aged Appearance Manual Application Accessibility Shading/Ambient Occlusion Capture, Analysis, and Transfer of Effects Chapter 9 Specifying and encoding appearance descriptions Practical techniques for appearance specification Visual interfaces for analytic models 3DPainting Textual and programming interfaces Composition from basic building blocks Encoding local appearance attributes Parameterized models Tabular data Basis functions Association of material and shape Discussion of surface parameterization Representation of light and view-dependence Chapter 10 Rendering appearance An overview of image creation techniques Object projection techniques Image sampling techniques Local and global calculations Simulating global illumination Monte Carlo evaluation of the rendering equation Caching mechanisms Finite elements methods Rendering local appearance Texture mapping and detail management BRDF and BTF sampling Subsurface scattering and participating media Color and tone Spectral rendering Dynamic range and tone mapping Precomputed rendering elements
Computer graphics systems are capable of generating stunningly realistic images of objects that have never physically existed. In order for computers to create these accurately detailed images, digital models of appearance must include robust data to give viewers a credible visual impression of the depicted materials. In particular, digital models demonstrating the nuances of how materials interact with light are essential to this capability.
Digital Modeling of Material Appearance is the first comprehensive work on the digital modeling of material appearance: it explains how models from physics and engineering are combined with keen observation skills for use in computer graphics rendering.
Written by the foremost experts in appearance modeling and rendering, this book is for practitioners who want a general framework for understanding material modeling tools, and also for researchers pursuing the development of new modeling techniques. The text is not a "how to" guide for a particular software system. Instead, it provides a thorough discussion of foundations and detailed coverage of key advances.
Practitioners and researchers in applications such as architecture, theater, product development, cultural heritage documentation, visual simulation and training, as well as traditional digital application areas such as feature film, television, and computer games, will benefit from this much needed resource.
ABOUT THE AUTHORS
Julie Dorsey and Holly Rushmeier are professors in the Computer Science Department at Yale University and co-directors of the Yale Computer Graphics Group. François Sillion is a senior researcher with INRIA (Institut National de Recherche en Informatique et Automatique), and director of its Grenoble Rhône-Alpes research center.
- First comprehensive treatment of the digital modeling of material appearance
- Provides a foundation for modeling appearance, based on the physics of how light interacts with materials, how people perceive appearance, and the implications of rendering appearance on a digital computer
- An invaluable, one-stop resource for practitioners and researchers in a variety of fields dealing with the digital modeling of material appearance
Researchers, engineers, and software developers in computer graphics and game development. Those creating special effects in movies and games (lighting designers, technical directors, researchers, software developers) and those to design work in industries such as automotive, paint, metal, and product design.
- No. of pages:
- © Morgan Kaufmann 2008
- 6th December 2007
- Morgan Kaufmann
- Hardcover ISBN:
- eBook ISBN:
Yale University, New Haven, CT, U.S.A.
Yale University, New Haven, CT, U.S.A.
INRIA Rhône-Alpes, Montbonnot, France
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