Table 5. Convolution kernel size comparison experiment of the first layer.

Dataset	The size of the first convolution kernel	Accuracy
Fur_Recognition dataset	9×9	76.5
	7×7	78.9
	5×5	80.6
	3×3	82.2
CIFAR-10 dataset	9×9	75.7
	7×7	78.8
	3×3	79.9
	5×5	80.5