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

Table 7 Ablation Study on Unseen Dataset (Scenario 2)

Feature Fusion Strategy	Accuracy (%)	Precision (%)	Recall (%)	F1-Score (%)
No Fusion (Separate Outputs)	62	60	65	62
Simple Averaging	65	64	67	65
Concatenation + Dense Layer	68	67	70	68
Weighted Feature Averaging	67	66	69	67
Proposed Fusion (Attentive Map)	70	70	73	72

ISSN: 1472-6947