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wfdb_use.py

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+import os
+
+import numpy as np
+import wfdb
+import matplotlib.pyplot
+
+PATH = './mit-bih-arrhythmia-database-1.0.0/'
+
+
+def read_ecg_data(data):
+    # get the data from the ecg data file and set begin and end points
+    record = wfdb.rdrecord(PATH + data, sampfrom=0, sampto=1500)
+    # return type record
+    print(type(record))
+    print(dir(record))
+    # get the Lead signal （len、filename、number、signalname、Sample rate
+    print(record.p_signal)
+    print(np.shape(record.p_signal))
+
+    print(record.sig_len)
+
+    print(record.record_name)
+
+    print(record.n_sig)
+
+    print(record.sig_name)
+
+    print(record.fs)
+
+    annotations = wfdb.rdann(PATH+data,'atr')
+    print(type(annotations))
+    print(dir(annotations))
+
+    #get R
+    print(annotations.sample)
+    #get label of Heart beat
+    print(annotations.sample)
+    #num
+    print(annotations.ann_len)
+    #show label of beat
+    print(wfdb.show_ann_labels())
+
+    matplotlib.pyplot.draw_ecg(record.p_signal)
+    return record.p_signal
+