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For an automated classification of heart murmurs there is a need of detailed analysis of heart sounds both in time and frequency domain. In this work the possibility of extracting the formant frequencies from the phonocardiogram was examined. The purpose of examination described here was to obtain a result which could facilitate the classification by offering additional information about the sound...
In this paper an efficient heart beat classification algorithm for mobile devices is presented. A simplified ECG model is used for feature extraction in the time domain. QRS complex is modeled by two straight lines while P and T waves are modeled by parabolas. The T wave asymmetry is achieved using a fourth degree parabola, whereas the P wave is modeled by the second degree parabola. The model parameters...
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