CS5620 Intro to Computer Graphics

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1 CS 5620 Fall Computer Graphics Synthesis of static/dynamic 2D images from 3D geometry using computers Teaching Staff Lecturer: Prof. Craig Gotsman Class: Mon 14:45-17:30 (3 rd Floor, Fozzie Pooh) Contact info: tech.cornell.edu/people/craig-gotsman Office Hours: By appointment (12 th Floor) Teaching Assistant: Ned Bingham Contact info: github.com/nbingham1 Office Hours: Mon 16:00-17:00, Tue 16:00-17:00 (3 rd Floor) + appointment 4 Grading Policy Programming Assignments: 20% each Simple wireframe renderer Surface renderer Shading renderer OpenGL renderer OpenGL animator Computer Graphics Synthesis of static/dynamic 2D images from 3D geometry using computers Work in pairs! 5 6 Page 1 1

2 2 CS marius.sucan.ro 8 9 marius.sucan.ro 10 Representing 3D Geometry Triangle Meshes 11 Explicit Implicit z = f(x, y) = + R 2 x 2 y 2 z = f x, y = R 2 x 2 y 2 Parametric x 2 + y 2 + z 2 R 2 = 0 x, y, z = Rcosθcosψ, Rsinθcosψ, Rsinψ θ 0,2π, ψ [ π 2, π 2 ] Free-form Polygon Mesh Indexed Face Set geometry , (x 0,y 0,z 0 ) , (x 1,y 1,z 1 ) , (x 2,y 2,z 2 ) , (x 3,y 3,z 3 ) connectivity 1, 0, 2, t 1 3, 1, 2, t 2 3, 0, 1, t 3 3, 2, 0, t render 3 Page 2

3 3 CS5620 More Examples Manual Modeling Fred Floops Digitization Laser scanning graphics.stanford.edu/projects/mich/ Laser scanning Color + depth Page 3

4 Motion Capture Motion Capture Medical Imaging Graphics Pipeline: Processing Rigged Animation Material Properties Fog Texture Reflectivity Refraction Graphics Pipeline: Output Rendering Graphics Computer Graphics vs. Computer Vision Vision Synthesis Analysis Page 4 4

5 Image Processing and Computer Vision original sharpened Image enhancement Feature extraction Object recognition 3D model extraction Image understanding edge map 25 Computer Games Movies Cartoon Photo-real Special Effects Geometric Modeling Mechanical Design Simulation Page 5 5

6 Medical Imaging Design Advertising Art Architecture Online 3D Syllabus Geometry & Transformations Scan Conversion Hidden Surface Removal Illumination and Shading Color Theory Geometric Modeling Mapping Techniques Animation Shadow Algorithms Ray Tracing OpenGL + GLSL Literature Interactive Computer Graphics: A Top-Down Approach with Shader-Based OpenGL E. Angel and D. Schreiner, Pearson, 6 th Ed., Hidden Surface Removal Fundamentals of Computer Graphics P. Shirley and S. Marschner, A.K. Peters, 3 nd Ed., OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3 (the Red Book). D. Schreiner et al., Addison-Wesley, 8 th Ed., Page 6 6

7 Shadows Texture Mapping Transparency Environment Mapping Page 7 7

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