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@InProceedings{RochaMiraCele:2011:IlVoVi,
               author = "Rocha, Allan and Miranda, F{\'a}bio Markus and Celes, Waldemar",
          affiliation = "{Tecgraf/PUC-Rio - Computer Science Department} and 
                         {Tecgraf/PUC-Rio - Computer Science Department} and 
                         {Tecgraf/PUC-Rio - Computer Science Department}",
                title = "Illustrative volume visualization for unstructured meshes based on 
                         photic extremum lines",
            booktitle = "Proceedings...",
                 year = "2011",
               editor = "Lewiner, Thomas and Torres, Ricardo",
         organization = "Conference on Graphics, Patterns and Images, 24. (SIBGRAPI)",
            publisher = "IEEE Computer Society Conference Publishing Services",
              address = "Los Alamitos",
             keywords = "Illustrative Volume Visualization , Photic Extremum Lines.",
             abstract = "Scientific visualization techniques create images attempting to 
                         reveal complex structures and phenomena. Illustrative techniques 
                         have been incorporated to scientific visualization systems in 
                         order to improve the expressiveness of such images. The rendering 
                         of feature lines is an important technique for better conveying 
                         surface shapes. In this paper, we propose to combine volume 
                         visualization of unstructured meshes with direct rendering of 
                         illustrated isosurfaces. This is accomplished by extending a 
                         GPU-based ray-casting algorithm to incorporate illustration with 
                         photic extremum lines, a type of feature lines that captures 
                         sudden change of luminance, conveying shapes in a perceptually 
                         correct way.",
  conference-location = "Macei{\'o}",
      conference-year = "Aug. 28 - 31, 2011",
             language = "en",
           targetfile = "vv-pel.pdf",
        urlaccessdate = "2019, Dec. 09"
}


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