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On the influence of the phase of conjugate quadrature filters in subband image coding

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3 Author(s)
Baskurt, A. ; CREATIS, Inst. Nat. des Sci. Appliquees, Villeurbanne, France ; Benoit-Cattin, H. ; Odet, C.

The influence of the phase of conjugate quadrature filters (CQFs) on the performances of a subband coding scheme is analyzed. When the filter length is short, the phase characteristic has virtually no influence on the peak signal-to-noise ratio (PSNR)/bit rate results and on the performance of postprocessing algorithms such as edge detection

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Image Processing, IEEE Transactions on  (Volume:7 ,  Issue: 6 )