Fig 1.
Architecture of discriminant spectrogram local descriptors learning and codebook clustering for ECG signal.
Fig 2.
The ECG heartbeats signal of two subjects in MITDB database.
Fig 3.
The ECG heartbeat’s spectrogram of subject 1 in MITDB database.
Fig 4.
The ECG heartbeat’s Spectrogram of subject 2 in MITDB database.
Fig 5.
An illustration to show how to extract the PDV from spectrogram of ECG heartbeat.
Fig 6.
Flowchart of DSLD for ECG representation and authentication.
Fig 7.
ROC curves of different methods on the MITDB database.
Table 1.
Performace of PCAD, LDAD and DSLD on MITDB database (Average recognition rate and EER).
Table 2.
Comparison with different conventional biometric authentication methods on MITDB database.
Table 3.
Training time and matching time per heartbeat.