15-463: Rendering and Image ProcessingTodayA bit about meTraditional Computer GraphicsState of the ArtThe richness of our everyday worldBeauty in complexityWhich parts are hard to model?PeopleFaces / HairUrban ScenesNatureIn search of realism…Virtual World vs. the Real WorldProgramming AssignmentSlide 16Slide 17Slide 18Other assignment(s) and projectAdministrative StuffGeneral CommentsCameras15-463: Rendering and Image ProcessingStaff•Prof: Alexei Efros (efros@cs )•TA: James Hays (jhhays@cs)Web Page•http://www.cs.cmu.edu/afs/andrew/scs/cs/15-463/pub/www/463.html Handouts•signup sheetTodayIntroductionsOverview of the courseAdministrative stuffA bit about meBrand new faculty (RI/CSD)Ph.D 2003, from UC Berkeley (signed by Arnie!)Research Fellow, University of Oxford, ’03-’04TeachingFirst time… so bear with meThe plan is to have fun and learn cool things, both you and me!Social warning: don’t see well ResearchGraphics, Vision, Machine Learning•Texture Synthesis, Human analysis/synthesis, Webcams!GRAPHICSTraditional Computer Graphics3D geometryphysicsSimulationprojectionState of the Art•Amazingly real•But so sterile, lifeless, futuristic (why?)The richness of our everyday worldPhoto by Svetlana LazebnikBeauty in complexityUniversity Parks, OxfordWhich parts are hard to model?Photo by Svetlana LazebnikPeopleFrom “Final Fantasy”On the Tube, LondonFaces / HairPhoto by Joaquin Rosales GomezFrom “Final Fantasy”Urban ScenesVirtual LA (SGI)Photo of l LANatureRiver Cherwell, OxfordIn search of realism…Graphics is easy:•We know how to represent geometry (polygonal meshes, splines, subdivision surfaces, CSG, etc.)•Physics of light transport worked out (ray tracing, radiosity, Monte Carlo techniques, etc.)•Good progress in participating media (e.g. subsurface scattering)•Learned it all in 15-462!Graphics is still hard:•We want to model our world (visual realism!)•How do we create enough geometry?•How do we find reflectance properties for all materials?•Is it feasible? It is even needed? (human perception)•Can we use texture maps?•Where do we get all this DATA? Capture it from the real world!Virtual World vs. the Real World15-462: we played in our little sandbox15-463: Now we are ready to embrace the world!Programming Assignment1. Images of the Russian Empire -- colorizing the Prokudin-Gorskii photo collectionProgramming Assignment2. Face warping and morphingProgramming Assignment3. Photo MosaicsFull screen panoramas (cubic): http://www.panoramas.dk/ Mars: http://www.panoramas.dk/fullscreen3/f2_mars97.html2003 New Years Eve: http://www.panoramas.dk/fullscreen3/f1.htmlProgramming Assignment4. Video Textures?Other assignment(s) and projectSomething cool!!!Administrative StuffGrading•Programming Projects (60%)•Midterm (15%)•Final Project (25%)Late Policy•Five late days total, to be spent wiselyCheating•Let’s not embarrass ourselvesHardware/Software•Graphics cluster, Wean 5336 (should have card access and login by now)•MATLAB!!!General CommentsPrerequisites•Linear algebra •Some computer graphics (or talk to me)Emphasis on programming projects!•Building something from scratch (Matlab!)CamerasReally coolNot too expensive nowadays (<$200)Canon
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