Interpolation Prefilers and Postfilters for Multiwavelet systems asd Application for Image Compression 


Vol. 27,  No. 11, pp. 1047-1054, Nov.  2002


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  Abstract

As a multiwavelet fiter bank has multiple channels of inputs, we investigate the data initialization problem by considering prefilters and postfilters that may give more efficient representations of the decomposed data. The interpolation postfilter and prefilter are formulated, which are capable of providing a better approximate image at each coarser resolution level. A design process in given to obtain both filters having compact supports. Computer simulations are performed to assess the performance of the proposed multiwavelet systems using prefiltering and postfiltering,and we have found that the image compression performances of proposed multiwavelet systems are superior than those of the single wavelet systems in terms of PSNR.

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  Cite this article

[IEEE Style]

J. Choi, "Interpolation Prefilers and Postfilters for Multiwavelet systems asd Application for Image Compression," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1047-1054, 2002. DOI: .

[ACM Style]

Jae-Ho Choi. 2002. Interpolation Prefilers and Postfilters for Multiwavelet systems asd Application for Image Compression. The Journal of Korean Institute of Communications and Information Sciences, 27, 11, (2002), 1047-1054. DOI: .

[KICS Style]

Jae-Ho Choi, "Interpolation Prefilers and Postfilters for Multiwavelet systems asd Application for Image Compression," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1047-1054, 11. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880