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Automated Image Background Removal in Line-Imaging Raman Spectroscopy

Volume 51, Number 7 (July 1997) Page 930-938

Haight, Scott M.; Schwartz, Daniel T.

Several automated image background removal schemes for use with line-imaging Raman spectroscopy are compared. An image of electrodeposited beta -CuSCN produced by line-imaging Raman spectroscopy (one spectral dimension, one spatial dimension) is background corrected by the adapted Pearson's method (APM), a Fourier filtering method, and the mathematical morphology method of the rolling cylinder. APM is shown to perform best overall, but is the most computationally taxing because of the iterative nature of the algorithm. The effects of the APM parameters are discussed.