Research and optimisation of a deep learning model for positive thinking meditation based on bio-signal processing
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17. März 2025
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Online veröffentlicht: 17. März 2025
Eingereicht: 30. Okt. 2024
Akzeptiert: 05. Feb. 2025
DOI: https://doi.org/10.2478/amns-2025-0157
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© 2025 Yukun Zhu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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The classification effect of data enhancement
Before | After | ||
Evaluation index | ACC | 0.73 | 0.91 |
Kappa | 0.62 | 0.89 | |
MF1 | 0.68 | 0.87 | |
F1 values per class | S1 | 0.71 | 0.83 |
S2 | 0.66 | 0.86 | |
S3 | 0.64 | 0.89 | |
S4 | 0.69 | 0.84 | |
S5 | 0.67 | 0.85 | |
S6 | 0.63 | 0.82 | |
S7 | 0.61 | 0.83 | |
S8 | 0.65 | 0.81 | |
REM | 0.71 | 0.84 |
Confusion matrix index
Confusion Matrix | True value | ||
Positive | Negative | ||
Predictive value | Positive | TP | FP |
Negative | FN | TN |
Performance comparison of different models
Model | ACC | R | Kappa | F1 |
GoogleNet | 0.914 | 0.853 | 0.732 | 0.802 |
PLS-DA | 0.923 | 0.864 | 0.748 | 0.831 |
SVM | 0.936 | 0.831 | 0.751 | 0.879 |
Random forest | 0.945 | 0.879 | 0.769 | 0.893 |
BP | 0.962 | 0.842 | 0.798 | 0.905 |
Depth learning | 0.910 | 0.857 | 0.803 | 0.914 |
Integrated network | 0.994 | 0.931 | 0.874 | 0.957 |