Illumination Model interreflection of light Radiosity Natural by jennyyingdi


									                                                                                                 interreflection of light (Radiosity)
                      1: Illumination Model
   many types of light sources & optical effects
linear            area            torus           cylindrical       sky light
                                                                                                                                 Our method;
                                                                                                                                 Illumination engineering
                                                                                                                                     Interreflection of light
    1982                                                                     198‚U
                                                                                                                                 Cornell Univ.’s method:
radiosity         radiosity       spot light      shafts of light                                                                Heat transfer radiosity
(diffuse)         (specular)                      (scattering)      diffraction

         198‚T                                                                                                       1985 (first image in the world•j
                                                                                                                                                           Univ. of Tokyo

                                                                                                       3: Natural Phenomena (1991- )
                 2: Rendering (Bezier clipping)
                                                                                            Terrain        mountains, dunes,
                                                                                                           stones, sands

                                                                                            Atmosphere sky color (skylight)
            Ray tracing SIG87                                                                              fog effects,
                                                                                                           shafts of light
                                                                                            Water          waves, caustics
                                                                                                           water color,
                                                                                                           shafts of light
     Scan line algorism               Curved Tubular Objects                         1992
                                                                                            Natural Light sunlight path through
                                                                                                           skylight, lightning
                                                                                            Volumetric     clouds, smoke/gas
                                                                                            objects/gas    snow
            Metaball EG87                            GPU-based Metaball EG08                                                                               Univ. of Tokyo

                            Clouds/smoke                                                                        4: Visual impact

                                    SIG87        Multiple scattering SIG96

                                                                                                 montage sig86                                 Illuminated by sky light
 Image-based      PG98          Cell auto. SIG2000                              PG2001

   casa2006                                       sketch-based SIG2008
                                                                                                      terrain model sig89
                      5: Interactive Rendering (1)                                                              Interactive Rendering (2)

                                                                                                                                      Sound effects                                   SIG03
                                                                    Sky color with              Soup bubble with
                    atmospheric scattering                                                                         CGI04
                                                                    multiple scattering         light interference                           Aerodynamic sound

                                                      Caustics due to water surface                                                   jet stream EG03
                                                                                                                            fire                                        PRT
      •»ó¨Ž¿‚ÌÏŒ`                                                                                                            Vortex sounds                          Univ. of Tokyo

                        Interactive Rendering (3)                                                                                 6: NPR

                                              Real-time caustics 2005                                Brush Stroke                 water paint                Pen and ink
                                                                                                     1993                                                    2001

                                                                                                                                               Watercolor Style
PRT                                                                     2007
                                                                                                                           Stroke-Based        2004
                                                                                                                           Artistic Images
                                                                                                       mosaic              2004
                                                                                                                                                                    Painting knife
  2008                                                                                                                                                              2008
                      Sand--water   2008     BRDF editing         2009         Univ. 2009
                                                                                     of Tokyo                                                    Colored penci‚Œ    Univ. of Tokyo

                                     7: Human body                                                                      8: Deformation

                                                                                                                                                         FFD using B-spline
                                       Human wrinkle                                             FFD for metaball          1999    FFD using
                                                                                                                                   parametric surface

                      face wrinkles2002                            hair          EG03                       FFD using multiple lattice 2002
                                                                               Univ. of Tokyo                                                                       Univ.foTyk 2008
9: 2D shape processing (‚W)
                                 10:Lens simulation/Computational photography
                                          Presbyopia (far-sightedness)
                                          corrected by a convex lens

                                   Human Eye Depth of Field EG2007

                                                            refocusing          PG2007

                                                   Extracting Depth and Matte       SIGasia2008
           shape interpolation

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