CSCI 420: Computer Graphics Fall 2015 Hao Li - - PowerPoint PPT Presentation

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CSCI 420: Computer Graphics Fall 2015 Hao Li - - PowerPoint PPT Presentation

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CSCI 420: Computer Graphics Fall 2015 Hao Li http://cs420.hao-li.com 1 http://hao.li/ Geometric Capture [Lab] 2 About Me Industrial Light & Magic Weta Digital USC Graphics http://gfx.usc.edu 6 Science, Engineering, & Art High

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CSCI 420: Computer Graphics

Hao Li

http://cs420.hao-li.com

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Fall 2015

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Geometric Capture [Lab]

http://hao.li/

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About Me

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Industrial Light & Magic

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Weta Digital

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USC Graphics

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http://gfx.usc.edu

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Science, Engineering, & Art

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SLIDE 8

High Tech & Capital of Entertainment

Disney

DreamWorks

Activision

Google

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Silicon Beach

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Computer Graphics vs. Vision

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Computer Vision

input an image ROI face shrimp 20% lobster 60% crap 40% mouth open 70%

  • utput

Hao is eating a lobster Computer Vision Story Image

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Computer Graphics

computer graphics pipeline and… Action! Computer Graphics Image Story

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Related to many Disciplines

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Applications

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Computer Aided Design

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Scientific Visualization

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Training / Simulation

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Entertainment

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VFX

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Computing Illustrations

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  • A. Hertzmann, D. Zorin

SIGGRAPH 2000

Non-Photorealistic Rendering (NPR)

Pixar

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Into the Mainstream

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Home Entertainment

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Human Computer Interfaces

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In Tablet

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Laptops

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Laptops

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Smartphones

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3D Printing

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Fashion Industry

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3D Cities

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Google Earth

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Oculus VR

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AR

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Impacting Science

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Cardiology

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Evolutionary Biology

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Cancer Treatment

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Target Audience

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  • MSc students, undergraduates, or interested PhD students
  • Computer Science, Computer Engineering, Mathematics,

Physics, Game Program, Biomedicine, Bioengineering, etc.

  • Computer Graphics, Computer Vision, Robotics, Machine

Learning, Signal and Image Processing, Medical Imaging

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SLIDE 39

Administrative Stuff

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Administrative

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When and where?

  • Tuesday, Thursday, 11:00 am - 12:20 pm
  • Discussions on Thursday, 12:30 pm - 1:30 pm
  • TTH 212 (Mark Taper Hall)

Credits

  • 4 Units

This week

  • No Discussion
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SLIDE 41

The Team

Instructor

  • Hao Li, hao.li@usc.edu
  • Office: SAL 244
  • Office hours: Tue, 2-4 PM

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Assistants

  • Kyle Olszewski, olszewsk@usc.edu
  • Office: TBD
  • Office hours: TBD
  • Lingyu “Cosimo” Wei, lingyu.wei@usc.edu
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SLIDE 42

Course Information On-Line

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http://cs420.hao-li.com/

  • Schedule (slides, readings)
  • Assignments (details, due dates)
  • Software (libraries, hints)
  • Resources (books, tutorial, links)

http://blackboard.usc.edu/

  • Submit assignments
  • Forum, Q/A
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SLIDE 43

Prerequisites

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Math

  • Math 225 (Linear Algebra and Differential Equations)
  • Familiarity with calculus and linear algebra

Coding

  • CSCI 104 (Data Structures and Object-Oriented Design)
  • C/C++ programming
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SLIDE 44

Textbooks

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Interactive Computer Graphics

  • A top-down approach with OpenGL, Fifth Edition, Edward

Angel, Addison-Wesley

OpenGL Programming Guide (“Red Book”)

  • Basic version also available on-line (see Resources)
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Grading

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Exercises

  • Ex 1: 16 %
  • Ex 2: 17 %
  • Ex 3: 17 %

Exams

  • Midterm: 20% (one shee of notes only, in class)
  • Final: 30% (one sheet of notes only)
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Academic Integrity

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  • Do not copy any parts of the assignments from

anyone

  • Do not look at other student’s code
  • Collaboration only for the project
  • USC Office of Student Judicial Affairs and

Community Standards (Hell) will be notified

  • Don’t cheat, mkay?
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SLIDE 47

Assignment Policies

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Programming Assignments

  • Hand in via Blackboard by end of due date
  • Functionality and features
  • Style and documentation
  • Artistic impression

3 late days, usable any time during semester Academic integrity policy applied rigorously

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SLIDE 48

Computer Graphics

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One of the “core” computer science disciplines:

  • Algorithms and Theory
  • Artificial Intelligence
  • Computer Architecture
  • Computer Graphics
  • Computer Security
  • Computer Systems
  • Computer Vision
  • Databases
  • Machine Learning
  • Networks
  • Software Engineering
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Course Overview

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Theory / Computer Graphics Disciplines

  • Modeling: how to represent objects
  • Animation: how to control and represent motion
  • Rendering: how to create images of objects
  • Image Processing: how to edit images

Practice: OpenGL graphics library Not in this course:

  • Human-Computer Interaction
  • Graphic Design
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3D Computer Graphics Pipeline

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Modeling Design Animation Simulation 3D Rendering

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Emerging Fields

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3D Capture Modeling Design Animation Simulation 3D Printing 3D Rendering Sound Rendering

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Goals in Computer Graphics

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Synthetic images indistinguishable from reality Practical, scientifically sounds, in real time Creating a new reality (not necessarily scientific) Practical, aesthetically pleasing, in real time

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SIGGRAPH & SIGGRAPH Asia

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  • Main computer graphics event
  • Twice a year
  • up to 30K attendees
  • Academia, industry, artists
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Course Overview

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1.1 Introduction

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  • Graphics@USC
  • What is Computer Graphics?
  • Administrative Stuff
  • Course Overview
  • Research Trends
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1.2 OpenGL Basics

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  • Primitives and attributes
  • Color
  • Viewing
  • Control functions
  • [Angel, Ch. 2]
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2.1 Input & Interaction

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  • Clients & servers
  • Event driven programming
  • Text & fonts
  • [Angel, Ch. 3]

CPU GPU “Client” “Server”

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2.2 Objects & Transformations

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  • Linear algebra review
  • Coordinate systems and frames
  • Rotation, translation, scaling
  • Homogenous coordinates
  • OpenGL transformations
  • [Angel, Ch. 4]
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3.1 Viewing and Projection

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  • Orthographic projection
  • Perspective projection
  • Camera positioning
  • Projection in OpenGL
  • Hidden surface removal
  • [Angel, Ch. 5]
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3.2 Hierarchical Models

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  • Re-using objects
  • Animations
  • OpenGL routines
  • Parameters and transformations
  • [Angel, Ch. 10]
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4 Curves & Surfaces

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  • Recall 3D calculus
  • Explicit representation
  • Implicit representation
  • Parametric curves & surfaces
  • Hermite curves and surfaces
  • Bézier curves and surfaces
  • Splines
  • Curves and surfaces in OpenGL
  • [Angel, Ch. 12]
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5.1 Light & Shading

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  • Light sources
  • Ambient, diffuse, and specular reflection
  • Normal vectors
  • Material properties in OpenGL
  • Radiosity
  • [Angel, Ch. 6]

Tobian R. Metoc

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5.2 Rendering

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  • Clipping
  • Bounding boxes
  • Hidden-surface removal
  • Line drawing
  • Scan conversion
  • Anti-aliasing
  • [Angel, Ch. 7,8]
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6-8 Textures and Pixels

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  • Texture mapping
  • OpenGL texture primitives
  • Bump maps
  • Environment maps
  • Opacity and blending
  • Image filtering
  • [Angel, Ch. 8]

texture mapping

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9-10 Ray Tracing

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www.yafaray.org

  • Basic ray tracing [Angel, Ch. 13]
  • Spatial data structures [Angel, Ch. 10]
  • Motion blur
  • Soft shadows
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11.1 Radiosity

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  • Local vs global illumination
  • Interreflections
  • Radiosity equation
  • Solution methods
  • [Angel Ch. 13.4-5]
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11.2 Animation

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  • Traditional Animation
  • Keyframe Animation
  • Computer Animation
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12 Physically Based Models

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  • Particle systems
  • Spring forces
  • Cloth
  • Collisions
  • Constraints
  • Fractals
  • [Angel, Ch. 11]
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13 Image Processing

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  • Blending
  • Display Color Models
  • Filters
  • Dithering
  • [Angel, Ch 7-8]
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14-15 Guest & “Wildcard” Lectures

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  • Realtime 3D Reconstruction
  • Geometry Processing
  • Graphics & Machine Learning
  • Data-Driven Modeling
  • …
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Research Trends

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From Offline to Realtime

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From Graphics to Vision

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[Newcombe et al. ’11] KinectFusion multi-view photometric stereo

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From Graphics to Fabrication

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3D printing

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From Production to Consumers

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  • nline shopping

VFX

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Live Demo

Realtime Facial Animation

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Acknowledgements

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Lecture based on material from:

  • Jernej Barbic, USC
  • Saty Raghavachary, USC
  • Frank Pfenning, CMU
  • Jessica Hodgins, CMU
  • Mark Pauly, EPFL
  • Justin Solomon, Stanford/Princeton/MIT
  • Cornell, MIT, UC Berkeley, …
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Next Time

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  • Basic Graphics Programming
  • OpenGL Pipeline
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http://cs420.hao-li.com

Thanks!

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