Comparison of Wavelet Transform Methods The Compression of IR Spectral Data

Abstract

Abstract: In this paper, an introduction of wavelet transform and multi-resolution analysis is presented. We describe three data compression methods based on wavelet transform for spectra LIN formation, and by using the multiresolution analysis, we compressed spectral data by Daubechiess compactly supported orthogonal wavelet and orthogonal cubic Bsplines wavelet.Using orthogonal cubic Bsplines wavelet and coefficients of sharpening signal are set to zero, only very few large coefficients are stored, and a favourable data compression can be achieved.

Key words: Wavelet transform, Multiresolution analysis, Data compression, IR spectra

CLC Number:

O657.1

TrendMD:

ZHANG Wen-Jun, XU Lu, LIU Sheng-Xiong. Comparison of Wavelet Transform Methods The Compression of IR Spectral Data[J]. Chem. J. Chinese Universities, 1999, 20(4): 534.

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Comparison of Wavelet Transform Methods The Compression of IR Spectral Data

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