Control Systems and Computers

https://doi.org/10.15407/csc.2022.01.044

Control Systems and Computers, 2022, Issue 1 (297), pp. 44-63

UDC 616.12-07 

L.S. FAINZILBERG , D.Sc. (Engineering), Professor,  Chief Researcher, International Research and Training Center for Information Technologies and Systems of the National Academy of Sciences of Ukraine and Ministry of Education and Science of Ukraine, Acad. Glushkova av., 40, Kiev, 03187, Ukraine e-mail: fainzilberg@gmail.com

25 YEARS OF EXPERIENCE IN CREATING AND IMPLEMENTING INTELLECTUAL IT FOR PROCESSING OF COMPLEX FORM BIOMEDICAL SIGNALS

Introduction. An important area of modern information technology application is medical diagnostics, which is based on computer processing of the biomedical signals The purpose of the article is to provide information on the results of basic and applied research that has ensured the practical implementation of the ECG method (fasegraphy method) in various fields of application and to outline further prospects for these studies.

Methods. The technology is based on a stochastic model of generating an artificial signal of complex shape in terms of internal and external distortions.

Results. It is shown that the efficiency in extracting diagnostic information from biomedical signals in conditions of the real distortions, which are not always additive in nature, can be increased by switching from a scalar signal in the time domain to a cognitive image in the phase plane. Original algorithms of adaptive filtering and smoothing have been developed, which made it possible to obtain a numerical estimate of the first derivative of the distorted signal. Recovery of the useful signal (reference cycle) for distorted implementations is carried out by averaging the phase trajectories with the subsequent return to the time domain. 

To increase the reliability of additional diagnostic features of the ECG in the phase space is proposed and clinical data have proven their usefulness in terms of reducing the risk of misdiagnosis. The practical results of the implementation of the diagnostic complex FASEGRAF® have confirmed the effectiveness of fasegraphy in various fields of application. Plans for further prospective research are presented.

Conclusions. Continuation of research allow to create new competitive information technologies and digital medicine devices.

Keywords: information technology, ECG, computational algorithm, signal’s phase trajectories.

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Received  01.02.2022