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| Two dimensional multi-scale decomposition and reconstruction of digital image based on wavelet analysis |
| Zhang Xiang1,Zhang Dayong1,Zhang Liuhui2,Pan Dong1 |
1.No.94995 Unit,Rugao 226500;
2.No.73911 Unit,Nanjing 210012 |
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Abstract The wavelet analysis can effectively extract information from a signal,which has a multi-scale characteristic.The digital image is decomposed by Matlab wavelet toolbox.And the multi-scale reconstruction is performed by the low-frequency and the high-frequency component in the horizontal,vertical and the diagonal direction.Finally,a comparative analysis of the reconstructed images using different wavelet base functions is made and the conclusion is drawn.
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Received: 02 June 2016
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2016, Vol. 33 
