Body surface ECG mapping is one of the new diagnostic technique of heart disease. Tak
ing the large noise in body surface ECG and the great difference between ECG leads into ac
count , the authors proposed a high performance ECG processing algorithm, which includes
50Hz notch filter,zero-phase low-pass filter,and wide range parabolic baseline fitting al
gorithm. Based on ECG processing,the authors combine the first and second order differential
with amplitude in ...