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Unbiased estimation of ellipses by bootstrapping

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2 Author(s)
Cabrera, J. ; Dept. of Stat., Rutgers Univ., Piscataway, NJ, USA ; Meer, P.

A general method for eliminating the bias of nonlinear estimators using bootstrap is presented. Instead of the traditional mean bias we consider the definition of bias based on the median. The method is applied to the problem of fitting ellipse segments to noisy data. No assumption beyond being independent identically distributed is made about the error distribution and experiments with both synthetic and real data prove the effectiveness of the technique

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:18 ,  Issue: 7 )