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Subband coding has proven to be a powerful technique for medium bandwidth source encoding of speech. Recently, some promising results have been reported on the extension of this concept to the source coding of images. In this paper, a new two-dimensional subband coding technique is presented which is also applied to images. A frequency band decomposition of the image is carried out by means of 2-D separable quadrature mirror filters, which split the image spectrum into 16 equal rate subbands.doi:10.1109/26.2791 fatcat:in62tkfudjcvvdgzndkrhvcmvq