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Compression of Infrared Spectral Data Using the Fast Wavelet Transform Method

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Abstract:

The wavelet transform method was used to compress experimental infrared spectra. The methodology utilized was based upon the fast wavelet transform method coupled with the multiresolution signal decomposition, as well as the optimal bit allocation quantization and Huffman coding techniques. The proposed algorithm was applied to reduce the storage space of infrared spectra of several chemicals. The results obtained were compared with those from the fast Fourier transform and the wavelet-based thresholding methods. It was found that the proposed method outperforms the other two.

Keywords: DATA COMPRESSION WAVELET TRANSFORMATION SIGNAL PROCESSING INFRARED SPECTRUM

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702971941052

Publication date: May 1, 1997

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