표 4. | Table 4. Savitzky-Golay 필터 적용에 따른 표준편차 | Standard deviation after Savitzky-Golay filtering.

Symbol	Before filtering		After filtering		Reduction
	Visible	NIR	Visible	NIR	Visible	NIR
E1	37.33	38.77	36.97	38.45	0.36	0.32
H1	35.24	40.55	34.92	40.17	0.31	0.38
H2	25.07	39.71	24.84	39.45	0.23	0.26
J1	28.49	31.96	28.21	31.68	0.27	0.28
VGR1	16.54	33.20	16.40	32.90	0.14	0.30
VGR2	17.51	34.71	17.27	34.27	0.25	0.44