Fusion-driven semi-supervised learning-based lung nodules classification with dual-discriminator and dual-generator generative adversarial network

Table 6 Ablation Study of Feature Fusion Strategies (tested based on scenario 1)

Feature Fusion Strategy	Accuracy (%)	Precision (%)	Recall (%)	F1-Score (%)
No Fusion (Separate Outputs)	85	83	86	84
Simple Averaging	88	86	90	88
Concatenation + Dense Layer	91	89	94	91
Weighted Feature Averaging	90	88	93	90
Proposed Fusion (Attentive Map)	92	90	96	93

ISSN: 1472-6947