Computer Graphics: Image Synthesis Techniques

Computer Graphics: Image Synthesis Techniques

By Pat Hanrahan

This image synthesis techniques ebook explains

• The Goals of Rendering
• Ray Tracing I: Basic Algorithm, Ray-Surface Intersection
• Ray Tracing II: Acceleration Techniques
• The Light Field
• Lights and Lighting, Illumination
• Camera and Film
• Sampling and Reconstruction, Aliasing and Antialiasing
• Statistical Sampling
• Reflection Models I: BRDFs, Ideal Specular and Diffuse
• Reflection Models II: Glossy
• Texture
• The Rendering Equation
• Monte Carlo Methods I: Probability, Sampling and Variance Reduction
• Monte Carlo Methods II: Sampling Paths
• Monte Carlo Methods III: Irradiance Caching and Photon Maps
• Radiosity I: Form Factors, Solvers
• Radiosity II: Meshing and Hierarchical Techniques
• Volume Rendering

Image Synthesis Techniques

Three aspects

• Lights and Lighting
  Light sources
  Illumination algorithms
• Materials
  Reflection models
  Texture models
• Camera
  Lens and film effects

Fundamentally involves physical modeling and simulation.

‘60-’70’s : Geometric Aspects

Transformation/clipping

• Evans and Sutherland display pipeline

Hidden line and surface algorithms

• Sutherland, Sproull, Shumacker sort taxonomy
• Object vs. Image space

Simple shading and texturing

• Gouraud: interpolating colors
• Phong: interpolating normals
• Blinn, Catmull, Williams texturing

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