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UW-Madison CS 559 - Digital Images

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CS 559: Computer GraphicsTodayWhat is Computer Graphics?This Course: Building BlocksPeopleWeb and EmailCS Computer AccountTextbooks and ReadingsProjectsHomeworksGrading (approximate)Lab FacilitiesSoftware InfrastructureC++Adding the ClassAdmin Questions?ImagesImage FormatsDigital ImagesRaster ImagesVector ImagesTrade-OffsObtaining Digital ImagesIdeal ImagesSlide 25Discretization IssuesPerceptual IssuesNext Time09/07/04 © 2002-2004 University of WisconsinCS 559: Computer GraphicsProf Stephen ChenneyFall 2004http://www.cs.wisc.edu/~cs559-109/07/04 © 2002-2004 University of WisconsinToday•Course overview and information•Digital Images•Homework 1 – due Sept 14 in class09/07/04 © 2002-2004 University of WisconsinWhat is Computer Graphics?•Technically, it’s about the production, manipulation and display of images using computers•Practically, it’s about movies, games, design, training, art, advertising, communication, …09/07/04 © 2002-2004 University of Wisconsin This Course: Building Blocks•Images and computers–Sampling, Color, Filters, …•Drawing in 2D–Drawing lines and triangles, clipping, transformations•Drawing in 3D–Viewing, transformations, lighting, real-time graphics•Modeling in 3D–Describing volumes and surfaces, drawing them effectively•Miscellaneous topics–Raytracing, animation, …09/07/04 © 2002-2004 University of WisconsinPeople•Prof. Stephen Chenney–Room 6387–Office Hours: TBD–[email protected]•TA: Leo Chao–Room 1346–Office Hour TBD–[email protected] all class email to [email protected] gets the fastest response.09/07/04 © 2002-2004 University of WisconsinWeb and Email•The class web site is http://www.cs.wisc.edu/~cs559-1–It is updated very frequently–Lecture notes are put online before class, and updated after class–Additional resources and links are provided–Reading for future classes is listed•Email is sent out on the class mailing list–This list sends email to your official university email account•Check it regularly or set up forwarding–All notices are sent out on the mailing list, including things not mentioned in class–Only registered students get email•You read an archive at https://www-auth.cs.wisc.edu/lists/classes/09/07/04 © 2002-2004 University of WisconsinCS Computer Account•Everyone in the class needs a Computer Science department computer account–For completing and submitting projects•If you don’t have one, go to the CSL on the 2nd floor•CS559 provides you with a Windows account–You will only have a Unix account if you are taking some other course09/07/04 © 2002-2004 University of WisconsinTextbooks and Readings•Peter Shirley, “Fundamentals of Computer Graphics”, A.K. Peters, 2002•Woo et. al., "OpenGL Programming Guide", Third or Fourth Edition, Adison-Wesley, 1999 or 2003–The definitive guide to OpenGL, and a reasonable description of general real-time 3D graphics–It doesn’t really matter which edition – the differences are not pertinent to this class•Class readings–Online via the library’s reserve system – see class web page–A collection of papers, textbook chapters, and other documents–Some essential material not contained in the textbook09/07/04 © 2002-2004 University of WisconsinProjects•There will be three projects for the course, spread evenly through the semester•Project 1: Image editing•Project 2: Running a maze•Project 3: Building a virtual theme park•You must submit all three in order to pass the course–This rule has never been waived09/07/04 © 2002-2004 University of WisconsinHomeworks•There will be a homework every two weeks or so•They are intended primarily to explore topics further and to prepare you for the exams•They will be graded, but only the best five will count•Some essential techniques will be presented only in homework–For example, an review of linear algebra09/07/04 © 2002-2004 University of WisconsinGrading (approximate)•45% Midterm and Final•45% Projects•10% Homework•Everyone must write up their own homework•For projects 1 and 3, you have the option of working in pairs09/07/04 © 2002-2004 University of WisconsinLab Facilities•Room B240 contains machines for use in this class•They have adequate hardware (circa 2001) and the software to make it work•Students in CS 559 have priority in the lab•There are benefits to working in a lab with your classmates–For instance, the blackboards frequently display useful hints that someone else scrawled–But they also sometimes have incorrect information!!09/07/04 © 2002-2004 University of WisconsinSoftware Infrastructure•FLTK will be the user interface toolkit–Provides windows, buttons, menus, etc–C++ class library, completely portable–We are currently at version 1.1.0rc6, available for free: www.fltk.org•OpenGL will be the 3D rendering toolkit–Provides an API for drawing objects specified in 3D–Included as part of Windows and in most Unix distributions•Although getting hardware acceleration may take some doing•Visual Studio.NET (Visual C++ 7.1) will be the programming environment for grading•To be graded, your projects must compile under Visual C++ on the machines in room B24009/07/04 © 2002-2004 University of WisconsinC++•This is probably the first, and only, class in which you must complete large software projects in C++ without step by step instructions•There is a great deal of freedom in the projects, which requires that you do your own software design•If you are not comfortable in C++, you will have to take action•There are tutorials intended to teach you C++ assuming you know Java:–http://www.cs.wisc.edu/~hasti/cs368/CppTutorial/index.html–These are intended for the course CS 368, but just do the tutorials•The transition to C++ was one of the biggest issues for past CS559 students–Visual Studio also causes issues – we will provide a transition tutorial09/07/04 © 2002-2004 University of WisconsinAdding the Class•Everyone should be able to add at this point•If not, email [email protected] with your name, ID and major–If the system gave you a reason for denying registration, include it in your email•You have to wait a couple of days after adding before you can get a CS computer account09/07/04 © 2002-2004 University of WisconsinAdmin Questions?09/07/04 © 2002-2004 University of WisconsinImages•An image for our purposes is an abstract concept–It has no


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UW-Madison CS 559 - Digital Images

Documents in this Course
Filters

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14 pages

Lecture 2

Lecture 2

24 pages

Clipping

Clipping

22 pages

Modeling

Modeling

33 pages

Filters

Filters

26 pages

Dithering

Dithering

33 pages

Lecture 4

Lecture 4

20 pages

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