Fig. 1. The Range and median of smoothing parameter by length and order of the signal
Fig. 2. A analytic signal with 2 Gaussian peaks
Fig. 3. Various baselines and analytic signals used for simulated signals
Fig. 4. The Range, median of smoothing parameter and determined parameter by length of the signal with linear baseline
Fig. 5. The Range, median of smoothing parameter and determined parameter by length of the signal with quadratic baseline
Fig. 6. The Range, median of smoothing parameter and determined parameter by length of the signal with cubic baseline
Fig. 7. The Range, median of smoothing parameter and determined parameter by length of the signal with 4th order baseline
Fig. 8. The result of baseline correction of 3,5-DNT Raman spectrum by determined parameter using the proposed method
Fig. 9. The result of baseline correction of 4-ADNT Raman spectrum by determined parameter using the proposed method
Fig. 10. The result of baseline correction of ethanol Raman spectrum by determined parameter using the proposed method
Fig. 11. The result of baseline correction of NTO Raman spectrum by determined parameter using the proposed method
참고문헌
- Wolfgang Demtroder, Laser Spectroscopy: Basic Concepts and Instrumentation. pp. 1-5, Springer Science & Business Media, 2013.
- R. G. Cooks, Collision Spectroscopy. pp. 19-26, Springer Science & Business Media, 2012.
- V. Mazet, C. Carteret, D. Briea, J. Idier, B. Humbert, "Background Removal from Spectra by Designing and Minimising a Non-Quadratic Cost Function", Chemometrics and Intelligent Laboratory Systems, Vol. 76, Issue 2, pp. 121-133, Apr. 2005. DOI: https://doi.org/10.1016/j.chemolab.2004.10.003
- D. Chen, X. Shao, B. Hu, and Q. Su, "A Background and noise elimination method for quantitative calibration of near infrared spectra", Analytica Chimica Acta, Vol. 511, Issue 1, pp. 37-45, May 2004. DOI: https://doi.org/10.1016/j.aca.2004.01.042
- P. Heraud, B. R. Wood, J. Beardall, and D. McNaughton, "Effects of pre-processing of Raman spectra on in vivo classification of nutrient status of microalgal cells", Journal of Chemometrics, Vol. 20, No. 5, pp. 193-197, May 2006. DOI: https://doi.org/10.1002/cem.990
- J. Zhao, H. Lui, D. I. McLean, and H. Zeng, "Automated autofluorescence background subtraction algorithm for biomedical Raman spectroscopy", Applied. Spectroscopy, Vol. 61, Issue 11, pp. 1225-1232, 2007. DOI: https://doi.org/10.1366/000370207782597003
- Z.-M. Zhang, S. Chen, and Y.-Z. Liang, "Baseline correction using adaptive iteratively reweighted penalized least squares", Analyst, Vol. 135, Issue 5, pp. 1138-1146, Feb. 2010. DOI: https://doi.org/10.1039/b922045c
- P. H. Eilers, "A perfect smoother", Analytical Chemistry, Vol. 75, no. 14, pp. 3631-3636. Jul. 2003. DOI: https://doi.org/10.1021/ac034173t
- S.-J. Baek, A. Park, Y.-J. Ahn, and J. Choo, "Baseline correction using asymmetrically reweighted penalized least squares smoothing", Analyst, Vol. 140, Issue 1, pp. 250-257, Jan. 2015. DOI: https://doi.org/10.1039/c4an01061b
- Y. Hu, T. Jiang, A. Shen, W. Li, X. Wang, and J. Hu, "A background elimination method based on wavelet transform for Raman spectra", Chemometrics and Intelligent Laboratory Systems, Vol. 85, Issue 1, pp. 94-101, Jan. 2007. DOI: https://doi.org//10.1016/j.chemolab.2006.05.004
- S.-J. Baek, A. Park, J. Kim, A. Shen, and J. Hu, "A simple background elimination method for Raman spectra", Chemometrics and Intelligent Laboratory Systems, Vol. 98, Issue 1, pp. 24-30, Aug. 2009. DOI: https://doi.org/10.1016/j.chemolab.2009.04.007
- S.-J. Baek, A. Park, A. Shen, and J. Hu, "A background elimination method based on linear programming for Raman spectra", Journal of Raman Spectroscopy, Vol. 42, Issue 11, pp. 1987-1993, Nov. 2011. DOI: https://doi.org/10.1002/jrs.2957
- A. Park, S.-J. Baek, J.-Q. Park, Y.-G. Seo, and Y. Won, "Automatic selection of optimal parameter for baseline correction using asymmetrically reweighted penalized least squares", Journal of The Institute of Electronics and Information Engineers, Vol. 53, No. 3, Mar. 2016. DOI: https://doi.org/10.5573/ieie.2016.53.3.124
- J. Hwang, N. Choi, A. Park, J.-Q. Park, J. H. Chung, S. Baek, S. G. Cho, S.-J. Baek and J. Choo, "Fast and sensitive recognition of various explosive compounds using Raman spectroscopy and principal component analysis", Journal of Molecular Structure, Vol. 1039, pp. 130-136, 2013. DOI: https://doi.org/10.1016/j.molstruc.2013.01.079