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A Study on the Performance Improvement of Over-sampled Discrete Wavelet Transform

Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 1)

Publication Date:

Authors : ;

Page : 77-83

Keywords : Over-sampled; Wavelet Transform; Shift Invariance;

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Abstract

Over-sampled discrete wavelet transformation is one way to overcome the disadvantages of the standard wavelet transform of shift invariance even though it increases the number of subband signals. Non-separable based discrete wavelet transform is efficient that it satisfies shift invariance and directional selectivity. In this paper, since efficient over-sampled wavelet transform is possible in a two-dimensional image processing, we show that the proposed method is well applied with performance improvement of digital image and noise removal.

Last modified: 2016-01-29 13:22:51