Robust moving least-squares fitting with sharp features
Shachar Fleishman, Daniel Cohen-Or, Cláudio T. Silva
In ACM Transactions on Graphics, 24(3), August 2005.
Abstract: We introduce a robust moving least-squares technique for reconstructing a piecewise smooth surface from a potentially noisy point cloud. We use techniques from robust statistics to guide the creation of the neighborhoods used by the moving least squares (MLS) computation. This leads to a conceptually simple approach that provides a unified framework for not only dealing with noise, but also for enabling the modeling of surfaces with sharp features.Our technique is based on a new robust statistics method for outlier detection: the forward-search paradigm. Using this powerful technique, we locally classify regions of a point-set to multiple outlier-free smooth regions. This classification allows us to project points on a locally smooth region rather than a surface that is smooth everywhere, thus defining a piecewise smooth surface and increasing the numerical stability of the projection operator. Furthermore, by treating the points across the discontinuities as outliers, we are able to define sharp features. One of the nice features of our approach is that it automatically disregards outliers during the surface-fitting phase.
Keyword(s): forward-search, moving least squares, robust statistics, surface reconstruction
Article URL: http://doi.acm.org/10.1145/1073204.1073227
BibTeX format:
@article{Fleishman:2005:RML,
  author = {Shachar Fleishman and Daniel Cohen-Or and Cláudio T. Silva},
  title = {Robust moving least-squares fitting with sharp features},
  journal = {ACM Transactions on Graphics},
  volume = {24},
  number = {3},
  pages = {544--552},
  month = aug,
  year = {2005},
}
Search for more articles by Shachar Fleishman.
Search for more articles by Daniel Cohen-Or.
Search for more articles by Cláudio T. Silva.

Return to the search page.


graphbib: Powered by "bibsql" and "SQLite3."