An algorithm for automatic segmentation of heart sound signal acquired using seismocardiography
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...However, a few studies have utilized/proposed more advanced noise removal techniques [22,33,86,93,99,100]....
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...[84,85] 1-Acc DS1104, DSPACE xiphoid process [86] 3-Acc ADXL 335, Analog Devices chest wall [46] 3-SP-Acc iPhone6, Apple midclavicular line and 4th intercostal space, belly above navel [29,87] 3-Acc 356A32, PCB Piezotronics left sternal border along the 4th intercostal space [88] 3-Acc X6-2mini, GCDC left sternal border along the 4th intercostal space [71] 1-MEMS-Acc SCA620, Murata Electronic sternum – anterior chest...
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...Then, for each window, the threshold is set to half of the obtained threshold using Otsu’s method [20]....
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...The Otsu’s method selects a threshold to classify a set of data into two classes, such that the intra-class variance will be minimum [20]....
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...Heart valve disease is one of the cardiovascular disease (CVD), which is increasing every year [1]....
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744 citations
"An algorithm for automatic segmenta..." refers background in this paper
...The situation is worse in the low-and-middle income countries, where these diseases account for more than 80% of global burden [3]....
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387 citations
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...Envelop has been extracted using Shannon energy [15], Shannon entropy [16], normalized average Shannon entropy, Hilbert transform, and cardiac sound characteristic waveform (CSCW) [17]....
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