introduction

Introduction Sung-Eui Yoon ( ) Course URL: - PowerPoint PPT Presentation

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CS380: Computer Graphics Introduction Sung-Eui Yoon ( ) Course URL: http://sglab.kaist.ac.kr/~sungeui/CG About the Instructor Joined KAI ST at 2007 Main Research Focus Handle massive data for various computer graphics and

  1. CS380: Computer Graphics Introduction Sung-Eui Yoon ( 윤성의 ) Course URL: http://sglab.kaist.ac.kr/~sungeui/CG

  2. About the Instructor ● Joined KAI ST at 2007 ● Main Research Focus ● Handle massive data for various computer graphics and geometric problems ● Paper and video: http:/ / sglab.kaist.ac.kr/ papers.htm ● YouTube videos: http:/ / www.youtube.com/ user/ sglabkaist 2

  3. Course Information of CS380 I nstructor: Sung-eui Yoon Email: sungeui@gmail.com Office: 3432 at CS building Office hours: 10:30am~ 11:30am on MTh or right after class time (or by appt.) Course webpage: http:/ / sglab.kaist.ac.kr/ ~ sungeui/ CG/ Noah discussion page 3

  4. Class Time ● Date: every Mon. and Wed. ● Time: 4:00pm ~ 5:15pm ● 4 credit course ● A few (2) OpenGL courses given by TAs 4

  5. TAs ● Donghyuk Kim ( 김동혁 ) ● Office: 3443 ● SeHwan Kim ( 김세환 ) ● YoungBum Lee ( 이영범 ) ● TA email address ● cs380ta@gmail.com 5

  6. Prerequisites ● Basic knowledge of linear algebra ● E.g., matrix multiplication ● Basic knowledge of programming skill ● Preferably with C-like language (e.g., C and C+ + ) ● I f you are unsure, consult the instructor at the end of this class 6

  7. Overview ● We will discuss various parts of computer graphics Modelling Simulation & Rendering Image Computer vision inverts the process Image processing deals with images 7

  8. Application of Computer Graphics ● Games ● Movies and film special effects ● Product design and analysis ● Medical applications ● Scientific visualization 8

  9. 3D shooting game 2D game Games 9

  10. Game Industry at Korea ● One of biggest I T sectors in Korea 새롭게 창단하는 구단은 모기업의 당기 순이익이 1 천억원 이상이거나 , … 10

  11. Movies and Film Special Effects Toy story Matrix 11

  12. Avatar 3D Movies 12

  13. Samsung 3D TV 3D TV 13

  14. Product Design and Analysis ● Computer-aided design (CAD) 14

  15. Medical Applications ● Visualizing data of CT, MRI , etc Rapidia homepage 15

  16. Medical Applications ● Visualizing data of CT, MRI , etc Wikipedia Mouse skull (CT) 16

  17. Scientific Applications ● Weather visualization LLNL 17

  18. Topics ● Mathematical tools ● Ray tracing ● 3D models and ● Global illumination interaction ● Curves and surfaces ● Hidden surface ● Simplification and removal levels of detail ● Rasterization ● Collision detection ● Lighting and shading ● Graphics hardware, etc ● Shadows ● Texture mapping 18

  19. Mathematical Tools ● Homogeneous coordinates ● Vectors ● Planes ● Frames ● Transformations 19

  20. 3D Models and Interaction ● Loading and view models ● Picking and selection ● Modeling a trackball ● Virtual reality (VR) is all about interaction  a  b axis 20

  21. Hidden Surface Removal ● Classic problem ● BSP trees ● Ray casting ● Depth buffering 21

  22. Rasterization ● Clipping ● Scan conversion 22

  23. Lighting and Shading ● Flat, gouraud, and phong shading ● Empirical and physically- based illumination models ● BRDFs 23

  24. Shadows ● Shadow volumes ● Shadow maps I mages courtesy of Stamminger and Drettakis 02 Umbra Penumbra 24

  25. Texture Mapping ● Surface parameterization ● Mipmaps and filtering ● Reflection and environment mapping 25

  26. Ray Tracing ● Object intersection ● Reflection and refraction ● Depth-of-field, motion blur, glossy reflections, soft shadows 26

  27. Global Illumination ● Rendering equation ● Path tracing, photon mapping, radiosity Images courtesy of Caligari (www.caligari.com) 27

  28. Curves and Surfaces ● Bezier curves and B- splines ● NURBS and subdivision surfaces ● Parametric solids 0-levels 1-level 2- 3- 4- 5- levels levels levels levels 28

  29. Simplification and LOD ● Levels of detail ● Progressive meshes 82 million triangles 29

  30. Graphics Hardware ● History ● Architecture ● Shading languages ● Future 30

  31. Animation ● Keyframing ● Parameteric splines ● Motion capture ● Simulation 31

  32. Textbook ● Fundamentals of Computer Graphics ● 1 st Edition ● 2 nd Edition ● 3 rd Edition ● Peter Shirley et al. ● AK Peters ● Ordered in KAI ST bookstore & library 32

  33. Textbook – OpenGL ● OpenGL Programming Guide ● Addison-Wesley Professional ● Version 1.1 is available at internet and the course webpage ● Reference book is also available http://www.glprogramming.com/blue 33

  34. Other Reference ● Technical papers ● Graphics-related conference (SI GGRAPH, etc) ● http:/ / kesen.huang.googlepages.com/ ● Course homepages ● Google or Google scholar 34

  35. Program Assignments (PAs) ● PAs (broken into 7 parts) ● Viewing and manipulating 3D models with OpenGL ● Rasterization and clipping ● Texture mapping and lighting ● Raytracing ● Etc. ● My philosophy ● The load of each PA should not be too high, but these assignments cover most major parts of the course 35

  36. Grading ● Mid-term: 20% Final-term: 30% Quiz and assignments: 50% ● Late policy ● No score for late submissions ● Submit your work before the deadline! 36

  37. Class Attendance Rule ● Late two times  count as one absence ● Every two absences  lower your grade (e.g., A-  B+ ) ● To check attendance, I ’ll call your names or take pictures ● I f you are in situations where you should be late, notify earlier 37

  38. Honor Code ● Collaboration encouraged, but assignments must be your own work ● Cite any other’s work if you use their codes ● I f you copy someone else’s codes, you will get F ● We will use a code copy checking tool to find any copy 38

  39. Official Language in Class ● English ● I ’ll give lectures in English ● I may explain again in Korean if materials are unclear to you ● You are also recommended to use English, but not required 39

  40. Other Related Courses ● CS580 (Graduate-level introductory CG, Spring semester) ● Focus on high quality rendering, which will be briefly touched at the end of CS380 ● Undergraduate students can take the course ● CS380 (Spring semester) ● CS482 (Fall semester) ● Focus on advanced, real-time rendering techniques ● All the courses will be given among me, Prof. Park, and Prof. Kim. 40

  41. Homework for Each Class ● Go over the next lecture slides before the class ● Just 10 min ~ 20 min for this should be okay 41

  42. Next Time... ● Screen & world space ● Basic OpenGL usage 42

  43. About You ● Name ● What is your major? ● Previous graphics experience ● Any questions? 43

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