Markov Models for Pattern Recognition: From Theory to - download pdf or read online

By Gernot A. Fink

ISBN-10: 3540717668

ISBN-13: 9783540717669

ISBN-10: 3540717706

ISBN-13: 9783540717706

Markov types are used to resolve demanding trend attractiveness problems
on the foundation of sequential information as, e.g., automated speech or handwriting
recognition. This complete creation to the Markov modeling framework
describes either the underlying theoretical ideas of Markov versions - covering
Hidden Markov types and Markov chain versions - as used for sequential facts and
presents the concepts essential to construct profitable structures for practical
applications.

This accomplished advent to the Markov modeling framework describes the underlying theoretical ideas - masking Hidden Markov versions and Markov chain types - and offers the strategies and algorithmic recommendations necessary to growing actual global functions. the particular use of Markov types of their 3 major software parts - particularly speech acceptance, handwriting popularity, and organic series research - is gifted with examples of winning systems.

Encompassing either Markov version thought and education, this booklet addresses the wishes of practitioners and researchers from the sector of development acceptance in addition to graduate scholars with a similar significant box of study.

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Additional resources for Markov Models for Pattern Recognition: From Theory to Applications

Sample text

The Markov model-based techniques then start from the linearized feature representations. However, in the literature also methods were proposed, which extend the formalism of hidden Markov models such, that a modeling of two- or even three-dimensional input data is directly possible (cf. g. [59, 110, 141, 142, 203]). In practically all approaches mentioned so far hidden Markov models are used in isolation and not in combination with Markov chain models. , gesture or action recognition only a rather small inventory of segmentation units is used.

We will concentrate on methods, which from today’s point of view can be regarded as standard techniques, even provided that especially in this field a multitude of widely differing methods were proposed. In the same way as in the presentation of hidden Markov models important alternative modeling techniques will only be described briefly at the end of the chapter. Though a thorough understanding of the application of Markov models for pattern recognition tasks is only possible when simultaneously considering aspects relevant in practice, in the framework of the following formal treatment we will try to present the theoretical core of these methods without disturbing cross-references in a linear, consecutive way.

4 Normal Distributions and Mixture Models 39 uous random variables only. 5) The two parameters μ and σ 2 of the probability density function correspond directly to the expected value and the variance of the normal distribution. 6) In this formula C −1 denotes the inverse and |2πC| the determinant of the covariance matrix scaled by a factor of 2π. Many natural processes can be described by means of the normal distribution, as one can frequently assume, that after a sufficiently long time of observation they will satisfy a Gaussian distribution.

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Markov Models for Pattern Recognition: From Theory to Applications by Gernot A. Fink


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