This paper describes the architecture of an 8/spl times/8 2-D DCT/IDCT processor with high throughput, reduced hardware, and a parallel-pipeline scheme. This architecture allows the processing elements and arithmetic units to work in parallel at half the frequency of the data input rate. A fully pipelined row-column decomposition method based on two 1-D DCTs and a transpose buffer based on D-type flip-flops are used. The processor has been implemented in a 0.35-/spl mu/m CMOS process with a core area of 3mm/sup 2/ and 11.7k gates. It meets the requirements of IEEE Std. 1180-1990. The data input rate frequency is 300 MHz with a latency of 172 cycles for 2-D DCT and 178 cycles for 2-D IDCT. The proposed design is compact and suitable for HDTV applications.


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    Titel :

    High throughput 2D DCT/IDCT processor for video coding


    Beteiligte:
    Ruiz, G.A. (Autor:in) / Michell, J.A. (Autor:in) / Buron, A.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    256082 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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