Применение полиспектрального анализа для определения диагностических признаков в звуках дыхания больных ХОБЛ
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2014
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НТУ "ХПИ"
Анотація
В работе предложен метод анализа звуков дыхания здоровых людей и пациентов с хронической обструктивной болезнью легких (ХОБЛ) на основе статистик высших порядков, а именно на расчетах функции бикогерентности и коэффициентов асимметрии. Разработана итерационная методика анализа зарегистрированных на грудной клетки пациентов звуков дыхания, позволившая с высокой степенью вероятности классификацировать состояние здоровья пациентов. В результате предложенной методики, основанной на расчете функций бикогерентности и коэффициентов асимметрии, выполнена классификация звуков по категориям «здоровый» и «болен ХОБЛ».
In the paper a method for analyzing breath sounds of healthy people and patients with chronic obstructive lung disease on the basis of higher-order statistics was proposed. Widely used in medicine and is an electronic auscultation, which allows you to identify and objectify the typical diagnostic signs lung disease. The complex nature of the breath sounds is causing the application to the analysis of their methods of higher-order statistics. This is of interest not only to the spectral components of the respiratory sounds, as well as the phase components. Iterative method of sound processing was developed and it’s result is classification of the studied sounds by category "healthy" and "COLD patients» with a high probability. The proposed methodology is based on the calculations of bicoherence functions and skewness coefficients. It is shown that this method is an informative, highly accurate and can be a useful tool in the diagnosis of bronchopulmonary diseases.
In the paper a method for analyzing breath sounds of healthy people and patients with chronic obstructive lung disease on the basis of higher-order statistics was proposed. Widely used in medicine and is an electronic auscultation, which allows you to identify and objectify the typical diagnostic signs lung disease. The complex nature of the breath sounds is causing the application to the analysis of their methods of higher-order statistics. This is of interest not only to the spectral components of the respiratory sounds, as well as the phase components. Iterative method of sound processing was developed and it’s result is classification of the studied sounds by category "healthy" and "COLD patients» with a high probability. The proposed methodology is based on the calculations of bicoherence functions and skewness coefficients. It is shown that this method is an informative, highly accurate and can be a useful tool in the diagnosis of bronchopulmonary diseases.
Опис
Ключові слова
функция бикогерентности, коэффициент асимметрии, биспектр, breath sounds, bicoherence function, skewness coefficient, COPD, bispectrum
Бібліографічний опис
Порева А. С. Применение полиспектрального анализа для определения диагностических признаков в звуках дыхания больных ХОБЛ / А. С. Порева, А. А. Макаренкова, А. С. Карплюк // Вестник Нац. техн. ун-та "ХПИ" : сб. науч. тр. Темат. вып. : Новые решения в современных технологиях. – Харьков : НТУ "ХПИ". – 2014. – № 36 (1079). – С. 49-55.