CA-XTree: Age Estimation of Grouped Gradient Regression Tree with Local Channel Attention

Table 2

Ablation experiments on CACD.

Baseline	Setting	MAE (FGNET)	MAE (CACD)	CS(3) (CACD) (%)
ResNet-50	c = 2	2.95	4.63	61.84
ResNet-50	c = 4	3.01	4.64	61.58
ResNet-50	c = 8	2.91	4.61	61.14
ResNet-50	c = 16	2.94	4.67	61.34
ResNet-50	c = 32	2.99	4.71	61.68

“c” indicates the number of groups.