Analytic Outlier Removal in Line Fitting

N. Netanyahu, Isaac Weiss

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The conventional ordinary least squares (OLS) method of fitting a line to a set of data points is very unreliable when the amount of random noise in the input (such as an image) is significant compared with the amount of data that is correlated with the lane itself. In this paper we present an analytic method of separating the data of interest from the outliers. We assume that the overall data (i.e., the line data plus the noise) can be modeled as a mixture of two statistical distributions. Applying a variant of the method of moments (MoM) to the assumed model yields an analytic estimate of the desired line.
Original languageAmerican English
Title of host publicationPattern Recognition, 1994. Vol. 2-Conference B: Computer Vision & Image Processing., Proceedings of the 12th IAPR International. Conference on
PublisherIEEE
StatePublished - 1994

Bibliographical note

Place of conference:Jerusalem, Israel

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