@InProceedings{Santos:1994:ChSoGe,
               author = "Santos, Eduardo Toledo",
          affiliation = "{Grupo de Computa{\c{c}}{\~a}o Gr{\'a}fica do Laborat{\'o}rio 
                         de Sistemas Integr{\'a}veis (LSI) da Escola Polit{\'e}cnica da 
                         Universidade de S{\~a}o Paulo (USP)}",
                title = "Changing some geometric parameters in parameterized ray tracing",
            booktitle = "Anais...",
                 year = "1994",
               editor = "Freitas, Carla dal Sasso and Geus, Klaus de and Scheer, 
                         S{\'e}rgio",
                pages = "249--254",
         organization = "Simp{\'o}sio Brasileiro de Computa{\c{c}}{\~a}o Gr{\'a}fica e 
                         Processamento de Imagens, 7. (SIBGRAPI)",
            publisher = "Sociedade Brasileira de Computa{\c{c}}{\~a}o",
              address = "Porto Alegre",
             keywords = "Parameterized ray tracing, geometric parameters, surface normal 
                         vectors, light source positions.",
             abstract = "Parameterized ray tracing is a technique that after the generation 
                         of an image by conventional ray tracing, allows changing the 
                         optical parameters of the scene and rendering a new image in a 
                         fraction of the time taken to synthesize the first one. This paper 
                         presents an enhancement to this technique that also enables the 
                         modification of two geometric parameters: light source positions 
                         and surface normal vectors (bump mapping).",
  conference-location = "Curitiba, PR, Brazil",
      conference-year = "9-11 Nov. 1994",
                 isbn = "978-85-7669-272-0",
             language = "en",
                  ibi = "8JMKD3MGPBW34M/3DEAJF5",
                  url = "http://urlib.net/ibi/8JMKD3MGPBW34M/3DEAJF5",
           targetfile = "33 Changing some geometric.pdf",
                 type = "Realismo e Visualiza{\c{c}}{\~a}o",
               volume = "1",
        urlaccessdate = "2024, Apr. 30"
}