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In this paper, we propose a pipelined-architecture for high-throughput computation of multilevel lifting 2D discrete wavelet transform (DWT). The multilevel DWT computation is shared by the proposed devices based on pyramid algorithm (PA) and recursive pyramid algorithm (RPA), where the PA-based devices compute the lower order subands and the higher order subbands are computed by an RPA-based device...
In this paper, we present a novel systolic architecture for high-throughput computation of 3-dimensional (3-D) discrete wavelet transform (DWT). The entire 3-D DWT computation is decomposed into three distinct stages and implemented concurrently in a linear array of fully pipelined processing elements (PE). The proposed structure for 3-D DWT provides higher throughput than the existing architecture;...
Discrete Tchebichef transform (DTT), derived from a discrete class of the popular Chebyshev polynomials, is a novel orthogonal transform that has high energy compaction and de-correlation properties. Therefore, in this paper, DTT is examined and treated for transform coding applications. A framework is laid to derive an approximation- free integer representation of DTT to meet the current application...
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