Assessing determinism of photo-plethysmographic signal

Bhattacharya, Joydeep and Kanjilal, Partha. P.. 1999. Assessing determinism of photo-plethysmographic signal. IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, 29(4), pp. 406-410. ISSN 10834427 [Article]

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Abstract or Description

A study was performed to analyze the signal obtained from a noninvasive photo-plethysmographic device from four subjects in different clinical conditions. With the help of the theory of nonlinear dynamics, it is verified that the cardiovascular dynamics is dominated by an underlying chaotic attractor. A new robust and computationally efficient method is presented for the detection of the hidden deterministic structure of a time series. It is shown that the degree of chaos as well as the underlying determinism is directly related to the subject's clinical stability.

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22 Feb 2011 09:26

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30 Jun 2017 13:22

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