The classification and recognition of electrocardiogram (ECG) are difficult to solve for a long time, especially when the starting point of selected ECG signal is shifted or the signal is rotated. It. such cases, it requires the recognition process to be translation-invariant and rotation-invariant. The authors introduce a high order (second order) neural network which is used to recognize five types of ECG signals (nomal group. higher QRS wave group, higher T wave group, inversed T wave group and arrhythmi...
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