Fig. 1. Using Whittaker Smoother for denoising Raman spectroscopy data of Analcime with Gaussian white noise

Fig. 2. Using arPLS to deduct baseline for Raman spectral data of Analcime

Fig. 3. Peak-seeking effect of Raman spectroscopy in ROD (HL=8, HG=12, W=19). (a) Calcite; (b) Analcime; (c) Bindheimite; (d) Brookite

Fig. 4. Peak-seeking effect using symmetric zero-area method for Raman spectroscopy of Analcime. (a) Peaks of seeking; (b) S_Si of peaks

Fig. 5. Peak-seeking correction of Bindheimite in ROD. (a) Before peak-seeking correction; (b) after peak-seeking correction

Fig. 6. Flow chart of WALPSZ peak-seeking algorithm

Fig. 7. Peak-seeking effects of partial peaks obtained by batch peak-seeking of ROD. (a) Almandine; (b) Leiteite; (c) Leightonite; (d) Zwieselite; (e) Hanksite; (f) Lepidocrocite

Fig. 8. Peak-seeking effect of WALPSZ peak-seeking algorithm. (a) Calcite; (b) Analcime; (c) Bindheimite; (d) Brookite

Fig. 9. Noise and background are deducted from Raman spectral data of measured sample. (a), (b) Anhydrite; (c), (d) Pyrite; (e), (f) Moissanite

Fig. 10. Effect of Raman spectroscopy peak-seeking of WALPSZ peak-seeking algorithm in ROD on three samples to be measured. (a) Anhydrite; (b) Pyrite; (c) Moissanite

Fig. 11. Effect of Raman spectroscopy peak-seeking of WALPSZ peak-seeking algorithm in RRUFF on three samples to be measured. (a) Anhydrite; (b) Pyrite; (c) Moissanite

Fig. 12. Peak-seeking effect of actual Raman spectroscopy of WALPSZ peak-seeking algorithm on three samples to be measured. (a) Anhydrite; (b) Pyrite; (c) Moissanite