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Published in:
2011 | OriginalPaper | Chapter
Outlier Respecting Points Approximation
Authors : Danny Z. Chen, Haitao Wang
Published in: Algorithms and Computation
Publisher: Springer Berlin Heidelberg
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In this paper, we consider a generalized problem formulation of computing a functional curve to approximate a point set in the plane with outliers. The goal is to seek a solution that not only optimizes its original objectives, but also somehow accommodates the impact of the outliers. Based on a new model of accommodating outliers, we present efficient geometric algorithms for various versions of this problem (e.g., the approximating functions are step functions or piecewise linear functions, the points are unweighted or weighted, etc). All our results are first known. Our new model and techniques for handling outliers may be useful to other applications as well.