Collaborative Penalized Least Squares for Background Correction of Multiple Raman Spectra

Table 1

Relative error for different backgrounds.

	Exponential (%)	Polynomial (%)	Sigmoid (%)	Sine (%)
airPLS	21.3	1.9	24.1	1.5
MPLS	19.8	2.2	26.3	1.3
MSBC	19.6	2.1	26.3	2.1
AS airPLS	3.7	0.3	5.3	0.3
CW airPLS	1.5	0.2	2.1	0.3
AS MPLS	3.6	0.3	4.6	0.6
CW MPLS	3.5	0.5	7.0	0.8