Dual-Tree Complex Wavelet Transform-Based Direction Correlation for Face Forgery Detection

Table 4

Ablation study of the DCE block for different number of directions.

Direction	Conv 1 × 1		FC
	ACC (%)	AUC	ACC (%)	AUC
(+15°)	89.24	0.908	90.03	0.898
(+15°, +45°)	91.19	0.932	90.42	0.906
(+15°, +45°, +75°)	92.88	0.929	92.74	0.938
(+15°, +45°, +75°, −15°)	92.87	0.923	93.28	0.942
(+15°, +45°, +75°, −15°, +45°)	93.40	0.946	94.38	0.948
(+15°, +45°, +75°, −15°, −45°, +75°)	93.77	0.956	95.34	0.962