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Fig. 3 | BMC Medical Informatics and Decision Making

Fig. 3

From: Diagnosis of cardiac abnormalities based on phonocardiogram using a novel fuzzy matching feature extraction method

Fig. 3

Matching results of TD.S.MD by FMFE. a is the example signal of one cardiac circle from NHS in time domain. b is the corresponding template signal and c is matching degree results obtained between original NHS signal (a) and the template signal (b). The maximum matching degree value can be obviously obtained at the initial position of matching process. As the template moves alongside matching direction, the matching degree gradually changes. However, the maximum value is still at the beginning matching position. Some minor degrees occurred due to the matching of S2 of original signal and S1 of template signal

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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