Table 12. Analysis results between original images and grayscale images in 448 pixel

Model	Original Image	Top1	Top2	Top3	Top4	Top5
VGG-16
	X6	X6_회색조	X18	X22	X20	X17
		0.879	0.866	0.864	0.847	0.834
	X277	X277_회색조	X188	X270	X258	X104
		0.736	0.694	0.692	0.688	0.676

a: Correlation is a similarity value(the similarity rate is 100% as it approaches and it is rounded to the fourth decimal place.