Research Article
Gastric Pathology Image Classification Using Stepwise Fine-Tuning for Deep Neural Networks
Table 3
Performances of the proposed two-stage fine-tuning using cell-wise (nuclei) data.
| Data size | Scheme | CNN architecture | VGG-16 | AlexNet | GoogLeNet (Inception V3) | AUC | ACC | Precision | Recall | AUC | ACC | Precision | Recall | AUC | ACC | Precision | Recall |
| Small | One stage | 0.879 | 0.793 | 0.863 | 0.695 | 0.828 | 0.723 | 0.74 | 0.72 | 0.838 | 0.753 | 0.75 | 0.75 | Two stage (nuclei) | 0.902 | 0.815 | 0.873 | 0.730 | 0.852 | 0.777 | 0.78 | 0.78 | 0.872 | 0.784 | 0.78 | 0.78 |
| Large | One stage | 0.936 | 0.836 | 0.957 | 0.703 | 0.867 | 0.794 | 0.80 | 0.79 | 0.881 | 0.779 | 0.79 | 0.78 | Two stage (nuclei) | 0.965 | 0.89 | 0.881 | 0.901 | 0.915 | 0.834 | 0.84 | 0.83 | 0.933 | 0.862 | 0.86 | 0.86 |
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