Research Article
Modulation Spectra Morphological Parameters: A New Method to Assess Voice Pathologies according to the GRBAS Scale
Table 4
Confusion matrices related to absolute best results in MS parameters and MFCCs.
and
are target labels while
and
are predicted labels.
| Grade | Roughness | ā | 0 | 1 | 2 | 3 | ā | 0 | 1 | 2 | 3 |
| MS Morphological Parameters | 0 | 28 | 1 | 0 | 1 | 0 | 38 | 1 | 0 | 0 | 1 | 3 | 3 | 1 | 0 | 1 | 3 | 1 | 2 | 0 | 2 | 1 | 1 | 11 | 1 | 2 | 1 | 0 | 13 | 1 | 3 | 3 | 0 | 4 | 29 | 3 | 3 | 1 | 1 | 20 |
| MFCCs | 0 | 27 | 0 | 2 | 1 | 0 | 35 | 0 | 1 | 3 | 1 | 2 | 0 | 5 | 0 | 1 | 3 | 0 | 3 | 0 | 2 | 0 | 0 | 13 | 1 | 2 | 1 | 0 | 9 | 5 | 3 | 0 | 0 | 6 | 30 | 3 | 1 | 0 | 2 | 22 |
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