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When decision meets estimation: Theo...

University of New Orleans.

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When decision meets estimation: Theory and applications.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	When decision meets estimation: Theory and applications./
作者:	Yang, Ming.
面頁冊數:	155 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8291.
Contained By:	Dissertation Abstracts International68-12B.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3292308
ISBN:	9780549352891

When decision meets estimation: Theory and applications.
Yang, Ming.

When decision meets estimation: Theory and applications. - 155 p.

Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8291.

Thesis (Ph.D.)--University of New Orleans, 2007.

In many practical problems, both decision and estimation are involved. This dissertation intends to study the relationship between decision and estimation in these problems, so that more accurate inference methods can be developed.

ISBN: 9780549352891Subjects--Topical Terms:

626642
Computer Science.

When decision meets estimation: Theory and applications.
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520 $a In many practical problems, both decision and estimation are involved. This dissertation intends to study the relationship between decision and estimation in these problems, so that more accurate inference methods can be developed.
520 $a Keywords: Multiple Model, Prediction of Internet End-to-End Delay, Joint Decision and Estimation, Joint Tracking and Classification, Surveillance Testbed, Wireless Sensor Network
520 $a Hybrid estimation is an important formulation that deals with state estimation and model structure identification simultaneously. Multiple-model (MM) methods are the most widely-used tool for hybrid estimation. A novel approach to predict the Internet end-to-end delay using MM methods is proposed. Based on preliminary analysis of the collected end-to-end delay data, we propose an off-line model set design procedure using vector quantization (VQ) and short-term time series analysis so that MM methods can be applied to predict on-line measurement data. Experimental results show that the proposed MM predictor outperforms two widely used adaptive filters in terms of prediction accuracy and robustness.
520 $a Although hybrid estimation can identify model structure, it mainly focuses on the estimation part. When decision and estimation are of (nearly) equal importance, a joint solution is preferred. By noticing the resemblance, a new Bayes risk is generalized from those of decision and estimation, respectively. Based on this generalized Bayes risk, a novel, integrated solution to decision and estimation is introduced. Our study tries to give a more systematic view on the joint decision and estimation (JDE) problem, which we believe the work in various fields, such as target tracking, communications, time series modeling, will benefit greatly from. We apply this integrated Bayes solution to joint target tracking and classification, a very important topic in target inference, with simplified measurement models. The results of this new approach are compared with two conventional strategies.
520 $a At last, a surveillance testbed is being built for such purposes as algorithm development and performance evaluation. We try to use the testbed to bridge the gap between theory and practice. In the dissertation, an overview as well as the architecture of the testbed is given and one case study is presented. The testbed is capable to serve the tasks with decision and/or estimation aspects, and is helpful for the development of the JDE algorithms.
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