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Corrections to ‘Area- and Power-Efficient Design of Daubechies Wavelet Transforms Using Folded AIQ Mapping’

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3 Author(s)
Lai, S.-C. ; Department of Electrical Engineering, National Cheng Kung University, Tainan , Taiwan ; Yeh, Y.-P. ; Lei, S.-F.

Islam and Wahid proposed an area- and power-efficient design of Daubechies wavelet transforms. However, it was found that the matrix decompositions of the folded algebraic-integer-quantization scheme for DAUB4 and DAUB6 are incorrect and do not correspond with their architecture designs. We propose modifications not only to the algorithm but also to its implementation. Compared with the original method, the proposed design requires fewer adders and maintains the same critical path.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:59 ,  Issue: 8 )