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Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   MARCH 2018 , Volume 18 , Number 1 ; Page(s) 62 To 68.
 
Paper: 

MECHANICAL PULSE SIGNAL ANALYSIS IN ORDER TO FEATURE EXTRACTION TO USE IN THE DIAGNOSIS OF CAD

 
 
Author(s):  SOKOUT MOHAMMAD SAJJAD, BEIGZADEH BORHAN*
 
* SCHOOL OF MECHANICAL ENGINEERING, IRAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

Nowadays, diagnosis of diseases with high precision, high speed, low-cost and non-invasive approaches has become a necessity. In this regard, taking pulse signal is very easy and inexpensive, which due to the availability and feasibility of the process, can be very useful in the rapid diagnosis heart disease. If we can use the appropriate signal processing and intelligent methods in such a way that its accuracy and total cost equal those of other corresponding methods, we can say that we have reached a valuable achievement; in the current study we pursue the same purpose. In the first step, pressure pulse signals of 45 Coronary Arterial Disease (CAD) patients and 45 healthy persons are acquired from the left fingers using Task Force Monitor (TFM). Then the signals are filtered by wavelet transform (db6) and the wrong items are discarded. Then, the features corresponding to the CAD and healthy states are extracted which based on Time Domain Analysis. By choosing the best features, the data of healthy people and patients (CAD) are classified with Support Vector Machine (SVM) classifier by the accuracy rate of more than 85%. Finally, the effect of age on the best feature was investigated. A correlation of less than 5% between the best feature and age was obtained.

 
Keyword(s): PULSE SIGNAL, BLOOD PRESSURE PULSE, DISEASE DIAGNOSIS, CORONARY ARTERIES, FEATURE EXTRACTION
 
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