Local outlier detection mechanism implementation in matlab ?

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Can anybody provide me the Matlab code to plot the attached picture (Time-Frequency Domain), please?

Time-Frequency Domain

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Ala AlAfeef

You can try to cluster the data based on their density. The outliers will have low density and large distance to the other clusters. see the decision graph in this paper: http://science.sciencemag.org/content/344/6191/1492.full

Arash Rabbani

Use isoutlier(A,movmethod,window) in Matlab and by defining "window" you can specify the searching range to find the outliers locally.