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YMCA - Your Mesh Comparison Application

Johanna Schmidt, Reinhold Preiner, Thomas Auzinger, Michael Wimmer, M. Eduard Gröller, Stefan Bruckner

CONFERENCE PAPER: In Proceedings of IEEE VAST 2014, pp. 153–62, 2014. DOI: 10.1109/VAST.2014.7042491

Abstract

Polygonal meshes can be created in several different ways. In this paper we focus on the reconstruction of meshes from point clouds, which are sets of points in 3D. Several algorithms that tackle this task already exist, but they have different benefits and drawbacks, which leads to a large number of possible reconstruction results (i.e., meshes). The evaluation of those techniques requires extensive comparisons between different meshes which is up to now done by either placing images of rendered meshes side-by-side, or by encoding differences by heat maps. A major drawback of both approaches is that they do not scale well with the number of meshes. This paper introduces a new comparative visual analysis technique for 3D meshes which enables the simultaneous comparison of several meshes and allows for the interactive exploration of their differences. Our approach gives an overview of the differences of the input meshes in a 2D view. By selecting certain areas of interest, the user can switch to a 3D representation and explore the spatial differences in detail. To inspect local variations, we provide a magic lens tool in 3D. The location and size of the lens provide further information on the variations of the reconstructions in the selected area. With our comparative visualization approach, differences between several mesh reconstruction algorithms can be easily localized and inspected.

Published

Proceedings of IEEE VAST 2014

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BibTeX

@INPROCEEDINGS{Schmidt-2014-YMC,
  author = {Johanna Schmidt and Reinhold Preiner and Thomas Auzinger and Michael
	Wimmer and M. Eduard Gr{\"o}ller and Stefan Bruckner},
  title = {YMCA - Your Mesh Comparison Application},
  booktitle = {Proceedings of IEEE VAST 2014},
  year = {2014},
  pages = {153--62},
  month = nov,
  abstract = {Polygonal meshes can be created in several different ways. In this
	paper we focus on the reconstruction of meshes from point clouds,
	which are sets of points in 3D. Several algorithms that tackle this
	task already exist, but they have different benefits and drawbacks,
	which leads to a large number of possible reconstruction results
	(i.e., meshes). The evaluation of those techniques requires extensive
	comparisons between different meshes which is up to now done by either
	placing images of rendered meshes side-by-side, or by encoding differences
	by heat maps. A major drawback of both approaches is that they do
	not scale well with the number of meshes. This paper introduces a
	new comparative visual analysis technique for 3D meshes which enables
	the simultaneous comparison of several meshes and allows for the
	interactive exploration of their differences. Our approach gives
	an overview of the differences of the input meshes in a 2D view.
	By selecting certain areas of interest, the user can switch to a
	3D representation and explore the spatial differences in detail.
	To inspect local variations, we provide a magic lens tool in 3D.
	The location and size of the lens provide further information on
	the variations of the reconstructions in the selected area. With
	our comparative visualization approach, differences between several
	mesh reconstruction algorithms can be easily localized and inspected.},
  doi = {10.1109/VAST.2014.7042491},
  event = {IEEE VIS 2014},
  keywords = {visual analysis, comparative visualization, 3D data exploration, focus+context,
	mesh comparison},
  location = {Paris, France},
  url = {http://www.cg.tuwien.ac.at/research/publications/2014/ymca/}
}






 Last Modified: Stefan Bruckner, 2017-08-23