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| Author | : Michael Acker |
| Publisher | : |
| Total Pages | : 68 |
| Release | : 1992 |
| Genre | : |
| ISBN | : |
| Author | : François X. Sillion |
| Publisher | : Morgan Kaufmann |
| Total Pages | : 251 |
| Release | : 1994 |
| Genre | : Computers |
| ISBN | : 9781558602779 |
The book discusses practical issues and provides a complete presentation of the most recent and innovative advances in the radiosity method: an exciting new technique for producing synthetic images. Unique illustrations and 45 color plates make this visually appealing to computer graphics buyers.
| Author | : Michael F. Cohen |
| Publisher | : Elsevier |
| Total Pages | : 415 |
| Release | : 2012-12-02 |
| Genre | : Computers |
| ISBN | : 0080515673 |
The goal of image synthesis is to create, using the computer, a visual experience that is identical to what a viewer would experience when viewing a real environment. Radiosity and Realistic Image Synthesis offers the first comprehensive look at the radiosity method for image synthesis and the tools required to approach this elusive goal. Basic concepts and mathematical fundamentals underlying image synthesis and radiosity algorithms are covered thoroughly. (A basic knowledge of undergraduate calculus is assumed). The algorithms that have been developed to implement the radiosity method ranging from environment subdivision to final display are discussed. Successes and difficulties in implementing and using these algorithms are highlighted. Extensions to the basic radiosity method to include glossy surfaces, fog or smoke, and realistic light sources are also described. There are 16 pages of full colour images and over 100 illustrations to explain the development and show the results of the radiosity method. Results of applications of this new technology from a variety of fields are also included. Michael Cohen has worked in the area of realistic image synthesis since 1983 and was instrumental in the development of the radiosity method. He is currently an assistant professor of computer science at Princeton University. John Wallace is a software engineer at 3D/EYE, Inc., where he is the project leader for the development of Hewlett-Packard's ATRCore radiosity and ray tracing library. A chapter on the basic concepts of image synthesis is contributed by Patrick Hanrahan. He has worked on the topic of image synthesis at Pixar, where he was instrumental in the development of the Renderman software. He has also led research on the hierarchical methods at Princeton University, where he is an associate professor of computer science. All three authors have written numerous articles on radiosity that have appeared in the SIGGAPH proceedings and elsewhere. They have also taught the SIGGRAPH course on radiosity for 5 years. * The first comprehensive book written about radiosity - Features applications from the fields of computer graphics, architecture, industrial design, and related computer aided design technologies - Offers over 100 illustrations and 16 pages of full-color images demonstrating the results of radiosity methods - Contains a chapter authored by Pat Hanrahan on the basic concepts of image synthesis and a foreword by Donald Greenberg
| Author | : Philip Dutre |
| Publisher | : CRC Press |
| Total Pages | : 203 |
| Release | : 2018-10-24 |
| Genre | : Computers |
| ISBN | : 1315359871 |
This book provides a fundamental understanding of global illumination algorithms. It discusses a broad class of algorithms for realistic image synthesis and introduces a theoretical basis for the algorithms presented. Topics include: physics of light transport, Monte Carlo methods, general strategies for solving the rendering equation, stochastic path-tracing algorithms such as ray tracing and light tracing, stochastic radiosity including photon density estimation and hierarchical Monte Carlo radiosity, hybrid algorithms, metropolis light transport, irradiance caching, photon mapping and instant radiosity, beyond the rendering equation, image display and human perception. If you want to design and implement a global illumination rendering system or need to use and modify an existing system for your specific purpose, this book will give you the tools and the understanding to do so.
| Author | : Fouad Sabry |
| Publisher | : One Billion Knowledgeable |
| Total Pages | : 116 |
| Release | : 2024-05-13 |
| Genre | : Computers |
| ISBN | : |
What is Radiosity Computer Graphics In 3D computer graphics, radiosity is an application of the finite element method to solving the rendering equation for scenes with surfaces that reflect light diffusely. Unlike rendering methods that use Monte Carlo algorithms, which handle all types of light paths, typical radiosity only account for paths which leave a light source and are reflected diffusely some number of times before hitting the eye. Radiosity is a global illumination algorithm in the sense that the illumination arriving on a surface comes not just directly from the light sources, but also from other surfaces reflecting light. Radiosity is viewpoint independent, which increases the calculations involved, but makes them useful for all viewpoints. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Radiosity (computer graphics) Chapter 2: Rendering (computer graphics) Chapter 3: Global illumination Chapter 4: Ray tracing (graphics) Chapter 5: Phong reflection model Chapter 6: Metropolis light transport Chapter 7: Photon mapping Chapter 8: Shading Chapter 9: Ray casting Chapter 10: Rendering equation (II) Answering the public top questions about radiosity computer graphics. (III) Real world examples for the usage of radiosity computer graphics in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Radiosity Computer Graphics.
| Author | : Matt Pharr |
| Publisher | : Addison-Wesley Professional |
| Total Pages | : 814 |
| Release | : 2005 |
| Genre | : Computers |
| ISBN | : 9780321335593 |
More useful techniques, tips, and tricks for harnessing the power of the new generation of powerful GPUs.
| Author | : László Szirmay-Kalos |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 303 |
| Release | : 2008 |
| Genre | : Caustics (Optics) |
| ISBN | : 1598295594 |
This book presents techniques to render photo-realistic images by programming the Graphics Processing Unit (GPU). We discuss effects such as mirror reflections, refractions, caustics, diffuse or glossy indirect illumination, radiosity, single or multiple scattering in participating media, tone reproduction, glow, and depth of field. The book targets game developers, graphics programmers, and also students with some basic understanding of computer graphics algorithms, rendering APIs like Direct3D or OpenGL, and shader programming. In order to make the book self-contained, the most important concepts of local illumination and global illumination rendering, graphics hardware, and Direct3D/HLSL programming are reviewed in the first chapters. After these introductory chapters we warm up with simple methods including shadow and environment mapping, then we move on toward advanced concepts aiming at global illumination rendering. Since it would have been impossible to give a rigorous review of all approaches proposed in this field, we go into the details of just a few methods solving each particular global illumination effect. However, a short discussion of the state of the art and links to the bibliography are also provided to refer the interested reader to techniques that are not detailed in this book. The implementation of the selected methods is also presented in HLSL, and we discuss their observed performance, merits, and disadvantages. In the last chapter, we also review how these techniques can be integrated in an advanced game engine and present case studies of their exploitation in games. Having gone through this book, the reader will have an overview of the state of the art, will be able to apply and improve these techniques, and most importantly, will be capable of developing brand new GPU algorithms. Table of Contents: Global Illumintation Rendering / Local Illumination Rendering Pipeline of GPUs / Programming and Controlling GPUs / Simple Improvements of the Local Illumination Model / Ray Casting on the GPU / Specular Effects with Rasterization / Diffuse and Glossy Indirect Illumination / Pre-computation Aided Global Illumination / Participating Media Rendering / Fake Global Illumination / Postprocessing Effects / Integrating GI Effects in Games and Virtual Reality Systems / Bibliography
| Author | : Paul S. Heckbert |
| Publisher | : |
| Total Pages | : 258 |
| Release | : 1991 |
| Genre | : Computer graphics |
| ISBN | : |
Scenes containing diffuse and specular surfaces are most easily simulated using Monte Carlo ray tracing techniques. Traditional ray tracing algorithms trace rays form the eye into the scene. A bidirectional ray tracing algorithm is demonstrated that traces rays from both the lights and the eye, storing the diffuse intensity function in a radiosity texture on each diffuse surface in the scene. These textures are adaptively subdivided in order to resolve shadow edges and other discontinuities.
| Author | : Jaroslav Krivanek |
| Publisher | : Springer Nature |
| Total Pages | : 134 |
| Release | : 2022-05-31 |
| Genre | : Mathematics |
| ISBN | : 3031795407 |
Irradiance caching is a ray tracing-based technique for computing global illumination on diffuse surfaces. Specifically, it addresses the computation of indirect illumination bouncing off one diffuse object onto another. The sole purpose of irradiance caching is to make this computation reasonably fast. The main idea is to perform the indirect illumination sampling only at a selected set of locations in the scene, store the results in a cache, and reuse the cached value at other points through fast interpolation. This book is for anyone interested in making a production-ready implementation of irradiance caching that reliably renders artifact-free images. Since its invention 20 years ago, the irradiance caching algorithm has been successfully used to accelerate global illumination computation in the Radiance lighting simulation system. Its widespread use had to wait until computers became fast enough to consider global illumination in film production rendering. Since then, its use is ubiquitous. Virtually all commercial and open-source rendering software base the global illumination computation upon irradiance caching. Although elegant and powerful, the algorithm in its basic form often fails to produce artifact-free mages. Unfortunately, practical information on implementing the algorithm is scarce. The main objective of this book is to show the irradiance caching algorithm along with all the details and tricks upon which the success of its practical implementation is dependent. In addition, we discuss some extensions of the basic algorithm, such as a GPU implementation for interactive global illumination computation and temporal caching that exploits temporal coherence to suppress flickering in animations. Our goal is to show the material without being overly theoretical. However, the reader should have some basic understanding of rendering concepts, ray tracing in particular. Familiarity with global illumination is useful but not necessary to read this book. Table of Contents: Introduction to Ray Tracing and Global Illumination / Irradiance Caching Core / Practical Rendering with Irradiance Caching / Irradiance Caching in a Complete Global Illumination / Irradiance Caching on Graphics Hardware / Temporal Irradiance Caching
| Author | : Fouad Sabry |
| Publisher | : One Billion Knowledgeable |
| Total Pages | : 136 |
| Release | : 2024-05-14 |
| Genre | : Computers |
| ISBN | : |
What is Ray Tracing Graphics In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a wide variety of rendering algorithms for generating digital images. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Ray tracing (graphics) Chapter 2: Rendering (computer graphics) Chapter 3: Global illumination Chapter 4: Radiosity (computer graphics) Chapter 5: Photon mapping Chapter 6: Ray casting Chapter 7: Specular reflection Chapter 8: Geometrical optics Chapter 9: Graphics pipeline Chapter 10: Rendering equation (II) Answering the public top questions about ray tracing graphics. (III) Real world examples for the usage of ray tracing graphics in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Ray Tracing Graphics.
