Research Article

Individual Identification Using Linear Projection of Heartbeat Features

Figure 7

Intrasubject variability represented by three principal components, the first two principal components as shown by PC1 and PC2 and the fifth principal component as shown by PC5 for ten different subjects of (a) MIT-BIH arrhythmia database and (b) IIT (BHU) database.
602813.fig.007a
(a)
602813.fig.007b
(b)