Fig. 3
ECG signal represented with the STFT in the time- frequency domain. (a) normal rhythm, (b) AF rhythm, (c) other rhythm and (d) noisy recordings
Fig. 3 | BMC Medical Informatics and Decision Making
ECG signal represented with the STFT in the time- frequency domain. (a) normal rhythm, (b) AF rhythm, (c) other rhythm and (d) noisy recordings