Table 2 Summary of the most related works and current work
Paper | Database Source | Labeling criteria | Stage | Method | Performance |
|---|---|---|---|---|---|
Bursa et al. [16] | CTU-UHB | pH | 1st (60 min) | CWT + 2D CNN | Acc: 94.1% |
Comert et al. [17] | CTU-UHB | pH | 2nd (15 min) | STFT + 2D CNN (AlexNet) | Acc: 93.32%, Sen: 56.15% Sp: 96.51% |
Zhao et al. [18] | CTU-UHB | pH | 1st (20 min) | CWT + 2D CNN | Acc: 98.34%, Sen: 94.87% Sp: 97.82% |
Parvathavarthine et al. [19] | CTU-UHB | pH | 2nd (30Â min) | Optimized Res Net 50 | Acc: 94.63% |
Frasch et al. [20] | Private | Visual | N/A | Customized 2D CNN | Acc: 93.6% |
Ogasawara et al. [21] | CTU-UHB | Ph&apgar | 2nd (30Â min) | 2D CTG-net | AUC: 0.73 |
Saini et al. [22] | CTU-UHB | pH | 1st (60 min) | FHR + UC + 2D CNN | Acc: 70%, 71.4% and 70% |
Current study | CTU-UHB | pH | 1st (20 min) and 2nd (15 min) | Morse wavelet + CNN(ResNet50) | Acc: 98.7%, Sen.: 97.0% Sp: 100% |
| Â | Â | Â | Â | Â | Acc: 96.1%, Sen.: 94.1% Sp: 97.7% |