Recognizing different types of stochastic processes

Details Recognizing different types of stochastic processes Recognizing different types of stochastic processes

2005-10-12

arxiv.org/abs/physics/0510118v1

Physics

Data Analysis, Statistics and Probability

6 pages

Scientific paper

We propose a new cross-correlation method that can recognize independent realizations of the same type of stochastic processes and can be used as a new kind of pattern recognition tool in biometrics, sensing, forensic, security and image processing applications. The method, which we call bispectrum correlation coefficient method, makes use of the cross-correlation of the bispectra. Three kinds of cross-correlation coefficients are introduced. To demonstrate the new method, six different random telegraph signals are tested, where four of them have the same power density spectrum. It is shown that the three coefficients can map the different stochastic processes to specific sub-volumes in a cube.

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