Table 4. Performance of the improved model on three datasets.

	Block		DBD	Stem	Accuracy(ours)
	DWConv	AvgPool
The Oxford-IIIT pet	√	×	×	×	66.96(+0.54)%
	√	×	√	×	76.98(+10.56)%
	×	√	√	×	77.05(+10.63)%
	×	√	√	√	82.60(+16.18)%
Imagewoof	√	×	×	×	79.99(+4.19)%
	√	×	√	×	86.21(+10.41)%
	×	√	√	×	86.69(+10.89)%
	×	√	√	√	87.63(+11.83)%
102 Category flower	√	×	×	×	93.57(+2.43)%
	√	×	√	×	94.19(+3.05)%
	×	√	√	×	94.32(+3.18)%
	×	√	√	√	95.44(+4.30)%