COMPUTING MULTI-DIMENSIONAL DISCRETE W TRANSFORMS BY POLYNOM

发布时间:2018-09-23 09:04    发布者:admin

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  计算数学 1998

  Abstract:

  In this paper, the Multi-dimensional Polynomial Transform is used to convert the Multi-dimensional W Transform (MDDWT) into a series of one-dimensional W transform (DWT). Thus, a new polynomial transform algorithms for MDDWT is obtained. The algorithm needs no complex number operations and is simple in structure. The number of multiplications for computing a r-d DWT is only times that of the common used row-column method. The number of additions is also reduced considerablely. Running time of the algorithm on micro-computers is given and is compared with the common used row-column method.

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