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Analysis and Compression of Spun-yarn Density Profiles using Adaptive Wavelets  

Kim, Joo-Yong (Dept. of Textile Engineering, Soongsil University)
Publication Information
Textile Coloration and Finishing / v.18, no.5, 2006 , pp. 88-93 More about this Journal
Abstract
A data compression system has been developed by combining adaptive wavelets and optimization technique. The adaptive wavelets were made by optimizing the coefficients of the wavelet matrix. The optimization procedure has been performed by criteria of minimizing the reconstruction error. The resulting adaptive basis outperformed such conventional basis as Daubechies-5 by 5-10%. It was also shown that the yarn density profiles could be compressed by over 95% without a significant loss of information.
Keywords
wavelet transform; textile data management; data compression; process dependent basis; factorization;
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