Quadrature-Mirror Filter Design for the sub-band coding of Digital Video Signals

Meissner, Michael; Dooley, Laurence S.; Buchwald, Wolf-Peter and Schmidt, Gunnar (1995). Quadrature-Mirror Filter Design for the sub-band coding of Digital Video Signals. In: 15th Saraga IEE Colloquium on Digital and Analogue filters, and filtering systems, 30 Nov 1995, Savoy, Place, London.

URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arn...

Abstract

The paper firstly reviews the basic two-channel subband coding system and its implementation using both quadrature mirror filter (QMF) and conjugate quadrature filter (CQF) designs. Their features and performance characteristics for the one-dimensional case are examined and then using the principle of separability, 2-D QMF-CQF implementations are constructed, as the product of two l-D transfer functions. Examples of 2-D QMF-CQFs in band-splitting configurations for video applications are explored and discussed

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