Research Article
A Multichannel fNIRS System for Prefrontal Mental Task Classification with Dual-level Excitation and Deep Forest Algorithm
Table 2
Comparison with fNIRS-based mental task classification.
| Year/publication | 2018 [3] | 2015 [6] | 2012 [7] | This work |
| # of detector/source | 6/6 | 18/15 | 3/10 | 8/6 | Sample rate | 13.3 Hz | 10 Hz | 31.25 Hz | 43.8 Hz | Wireless | Yes | No | No | Yes | Weight | Approx. 750 g | Approx. 130Kg | 20 kg | 450 g | Portability | Yes | No | No | Yes | # of intensity level | 1 | 1 | 1 | 2 | # of mental state | 3 | 3 | 3 | 4 | Classifier | sLDA | LDA | LDA | DF | Accuracy | 64.1% | 71.7% | 62.5% | 86.9% |
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