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Online EM algorithm...
Online EM algorithm for joint state and mixture measurement noise estimation
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- Özkan, Emre (författare)
- Linköpings universitet,Reglerteknik,Tekniska fakulteten
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- Fritsche, Carsten (författare)
- Linköpings universitet,Reglerteknik,Tekniska fakulteten
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- Gustafsson, Fredrik (författare)
- Linköpings universitet,Reglerteknik,Tekniska fakulteten
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(creator_code:org_t)
- IEEE, 2012
- 2012
- Engelska.
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Ingår i: 15th International Conference on Information Fusion (FUSION), 2012. - : IEEE. - 9781467304177 - 9780982443842 ; , s. 1935-1940
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Abstract
Ämnesord
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- In this study, we aim to estimate the unknown multi-modal measurement noise distribution of nonlinear state space models. The unknown noise distribution is modeled as a mixture of exponential family of distributions. We use the Expectation-Maximization (EM) method in order to jointly estimate the unknown parameters as well as the states. The online version of the EM algorithm is implemented by using particle filtering techniques. The resulting algorithm is a noise adaptive particle filter which is applicable to many sensor models having multi-modal noise distributions with unknown parameters.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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