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Rethinking Biased Estimation - Improving Maximum Likelihood and the Cramer-Rao Bound (Paperback, New) Loot Price: R2,290
Discovery Miles 22 900
Rethinking Biased Estimation - Improving Maximum Likelihood and the Cramer-Rao Bound (Paperback, New): Yonina C. Eldar

Rethinking Biased Estimation - Improving Maximum Likelihood and the Cramer-Rao Bound (Paperback, New)

Yonina C. Eldar

Series: Foundations and Trends (R) in Signal Processing

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Loot Price R2,290 Discovery Miles 22 900 | Repayment Terms: R215 pm x 12*

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Rethinking Biased Estimation discusses methods to improve the accuracy of unbiased estimators used in many signal processing problems. At the heart of the proposed methodology is the use of the mean-squared error (MSE) as the performance criteria. One of the prime goals of statistical estimation theory is the development of performance bounds when estimating parameters of interest in a given model, as well as constructing estimators that achieve these limits. When the parameters to be estimated are deterministic, a popular approach is to bound the MSE achievable within the class of unbiased estimators. Although it is well-known that lower MSE can be obtained by allowing for a bias, in applications it is typically unclear how to choose an appropriate bias. Rethinking Biased Estimation introduces MSE bounds that are lower than the unbiased Cramer-Rao bound (CRB) for all values of the unknowns. It then presents a general framework for constructing biased estimators with smaller MSE than the standard maximum-likelihood (ML) approach, regardless of the true unknown values. Specializing the results to the linear Gaussian model, it derives a class of estimators that dominate least-squares in terms of MSE. It also introduces methods for choosing regularization parameters in penalized ML estimators that outperform standard techniques such as cross validation.

General

Imprint: Now Publishers Inc
Country of origin: United States
Series: Foundations and Trends (R) in Signal Processing
Release date: April 2008
First published: July 2008
Authors: Yonina C. Eldar
Dimensions: 234 x 156 x 9mm (L x W x T)
Format: Paperback
Pages: 160
Edition: New
ISBN-13: 978-1-60198-130-1
Categories: Books > Computing & IT > Applications of computing > Signal processing
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LSN: 1-60198-130-9
Barcode: 9781601981301

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