Abstract:The discrete cosine transform(DCT), introduced by Ahmed,Natarajan and Rao,has been used in many applications of digital signal processing,data compression and information hiding.There are four types o...The discrete cosine transform(DCT), introduced by Ahmed,Natarajan and Rao,has been used in many applications of digital signal processing,data compression and information hiding.There are four types of the discrete cosine transform.In simulating the discrete cosine transform,we propose a generalized discrete cosine transform with three parameters, and prove its orthogonality for some new cases.Finally,a new type of the discrete cosine transform is proposed and its orthogonality is proved.Read More
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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