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. 2009 Feb 26;3:1–8. doi: 10.2174/1874431100903010001

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© Chua et al.; Licensee Bentham Open.

This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

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Fig. (2a-d) — Distributions of various features extracted from the bispectrum (a) bispectrum entropy 1 (P₁), (b) bispectrum entropy 2 (P₂), (c) sum of the logarithmic amplitudes of the bispectrum (H₁), (d) sum of logarithmic amplitudes of diagonal elements (H₂).