Research Article
Identification of Cerebral Artery Stenosis Using Bilateral Photoplethysmography
Table 1
Experimental results based on the linear discriminant analysis (LDA).
| Feature type | Experiment | Recognition rate (%) |
| Maximum positive amplitude | Left + right index finger | 92.2 | Left index finger | 78.1 | Right index finger | 81.1 |
| Maximum negative amplitude | Left + right index finger | 90.6 | Left index finger | 76.6 | Right index finger | 79.7 |
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