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

Figure 12

CA-XTree training. Atte represents local channel attention; card represents group number, which is divided into 8, 16, and 32 on the way. (a) atte_card = 8. (b) atte_card = 16. (c) atte_card = 32.

(a)

(b)

(c)