This paper studies the relation between the discrete cosine transform(DCT) and the discrete hartley transform(DHT). A fast algorithm to calculate the coefficient on two dimension discrete cosine transform(2DDCT) is proposed based on the algorithm of DHT.
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- 研究二维离散余弦变换与二维离散哈脱莱变换间的关系;基于二维哈脱莱变换算法;提出一种计算二维离散余弦变换系数的快速算法.