Table 6 Results of ablation experiments.
From: Online exam cheating detection and blockchain trusted deposit based on YOLOv12
Configuration | Backbone (Layers 6 & 8) | Head (Layer 20) | P (%) | R (%) | mAP50 (%) | Parameters (M) | Description |
|---|---|---|---|---|---|---|---|
Baseline YOLOv12n | Original A2C2f | Original C3k2 | 93.823 | 94.978 | 98.156 | 2,557,118 | Original baseline model |
Baseline + Backbone Light | Modified Module | Original C3k2 | 93.769 | 96.251 | 98.234 | 2,043,070 | Lightweight improvements for backbone network applications only |
Baseline + Head Light | Original A2C2f | C3Ghost | 94.816 | 94.545 | 98.342 | 2,354,398 | Lightweight improvements for head-only web applications |
Full Lightweight Model | Modified Module | C3Ghost | 93.019 | 95.647 | 98.208 | 1,840,350 | Complete lightweight model (improvements applied to both backbone and header networks) |