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[FBS+05b]  Illustrative Display of Hidden Iso-Surface Structures

Fischer:2005:IDH (In proceedings)
Author(s)Fischer J., Bartz D. and Straßer W.
Title« Illustrative Display of Hidden Iso-Surface Structures »
InProceedings of IEEE Visualization (VIS 2005, October 23--28, 2005, Minneapolis, MN, USA)
Editor(s)Cláudio T. Silva and Eduard Gröller and Holly Rushmeier
Page(s)663--670
Year2005
PublisherIEEE Computer Society
AddressLos Alamitos, CA
URLhttp://doi.ieeecomputersociety.org/10.1109/VIS.2005.55
Editor(s)Cláudio T. Silva and Eduard Gröller and Holly Rushmeier

Abstract
Indirect volume rendering is a widespread method for the display of volume datasets. It is based on the extraction of polygonal isosurfaces from volumetric data, which are then rendered using conventional rasterization methods. Whereas this rendering approach is fast and relatively easy to implement, it cannot easily provide an understandable display of structures occluded by the directly visible iso-surface. Simple approaches like alpha-blending for transparency when drawing the iso-surface often generate a visually complex output, which is difficult to interpret. Moreover, such methods can significantly increase the computational complexity of the rendering process. In this paper, we therefore propose a new approach for the illustrative indirect rendering of volume data in real-time. This algorithm emphasizes the silhouette of objects represented by the iso-surface. Additionally, shading intensities on objects are reproduced with a monochrome hatching technique. Using a specially designed two-pass rendering process, structures behind the front layer of the iso-surface are automatically extracted with a depth peeling method. The shapes of these hidden structures are also displayed as silhouette outlines. As an additional option, the geometry of explicitly specified inner objects can be displayed with constant translucency. Although these inner objects always remain visible, a specific shading and depth attenuation method is used to convey the depth relationships.

BibTeX code
@inproceedings{Fischer:2005:IDH,
  optpostscript = {},
  optorganization = {},
  author = {Jan Fischer and Dirk Bartz and Wolfgang Stra{\ss}er},
  optkey = {},
  optannote = {},
  optseries = {},
  editor = {Cl{\'a}udio T. Silva and Eduard Gr{\"o}ller and Holly Rushmeier},
  url = {http://doi.ieeecomputersociety.org/10.1109/VIS.2005.55},
  address = IEEEAdr,
  localfile = {papers/Fischer.2005.IDH.pdf},
  optisbn = {},
  publisher = IEEEPub,
  optkeywords = {},
  optmonth = {},
  optciteseer = {},
  doi = {http://dx.doi.org/10.1109/VIS.2005.55},
  optcrossref = {},
  optwww = {},
  booktitle = {Proceedings of IEEE Visualization (VIS 2005, October 23--28,
               2005, Minneapolis, MN, USA)},
  optvolume = {},
  optnumber = {},
  abstract = {Indirect volume rendering is a widespread method for the display
              of volume datasets. It is based on the extraction of polygonal
              isosurfaces from volumetric data, which are then rendered using
              conventional rasterization methods. Whereas this rendering
              approach is fast and relatively easy to implement, it cannot
              easily provide an understandable display of structures occluded by
              the directly visible iso-surface. Simple approaches like
              alpha-blending for transparency when drawing the iso-surface often
              generate a visually complex output, which is difficult to
              interpret. Moreover, such methods can significantly increase the
              computational complexity of the rendering process. In this paper,
              we therefore propose a new approach for the illustrative indirect
              rendering of volume data in real-time. This algorithm emphasizes
              the silhouette of objects represented by the iso-surface.
              Additionally, shading intensities on objects are reproduced with a
              monochrome hatching technique. Using a specially designed two-pass
              rendering process, structures behind the front layer of the
              iso-surface are automatically extracted with a depth peeling
              method. The shapes of these hidden structures are also displayed
              as silhouette outlines. As an additional option, the geometry of
              explicitly specified inner objects can be displayed with constant
              translucency. Although these inner objects always remain visible,
              a specific shading and depth attenuation method is used to convey
              the depth relationships.},
  title = {{I}llustrative {D}isplay of {H}idden {I}so-{S}urface {S}tructures},
  year = {2005},
  pages = {663--670},
}

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