Journal of Healthcare Engineering / 2018 / Article / Fig 5

Research Article

Identification of Cerebral Artery Stenosis Using Bilateral Photoplethysmography

Figure 5

Classification results of normal subjects and those with cerebral artery stenosis using a linear discriminant analysis algorithm after applying the maximum positive amplitude (MPA) and maximum negative amplitude (MNA): (a) MPA features and (b) MNA features.
(a)
(b)