We aim to show the effectiveness of the double density dual-tree complex wavelet transform to denoise the Raman signal. A comparative study is carried out of the double density dual-tree complex wavelet transform with the discrete wavelet transform, dual-tree complex wavelet transforms, and Savitzky–Golay smoothing method to show its capability and effectiveness. Results show that denoising based on the double density dual-tree complex wavelet transform can improve the quantitative and qualitative analysis of the Raman signal.
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Published in Zhurnal Prikladnoi Spektroskopii, Vol. 88, No. 1, pp. 129–136, January–February, 2021.
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Sharan, T.S., Sharma, S. & Sharma, N. Denoising and Spike Removal from Raman Spectra using Double Density Dual-Tree Complex Wavelet Transform. J Appl Spectrosc 88, 117–124 (2021). https://doi.org/10.1007/s10812-021-01149-9
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DOI: https://doi.org/10.1007/s10812-021-01149-9