Partially Supervised Approach in Signal Recognition

Partially Supervised Approach in Signal Recognition

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The paper focuses on the potential of principal directions based approaches in signal classification and recognition.In probabilistic models, the classes are represented in terms of multivariate density functions, and an object coming from a certain class is modeled as a random vector whose repartition pentair hose has the density function corresponding to this class.In cases when there is no statistical information concerning the set of density functions corresponding to the classes involved in the recognition process, usually estimates based on the information extracted from available data are used instead.

In the proposed methodology, the characteristics of a class are given by a set of eigen vectors of the sample covariance matrix.The tourettebrewing.com overall dissimilarity of an object X with a given class C is computed as the disturbance of the structure of C, when X is allotted to C.A series of tests concerning the behavior of the proposed recognition algorithm are reported in the final section of the paper.