A generalized architecture for the one-dimensional discrete cosine and sine transforms

Authors:
Jiun-In Guo;Chih-Chen Li
Affiliations:
Dept. of Electron. Eng., Nat. Lien-Ho Inst. of Technol., Miao-Li;-
Venue:
IEEE Transactions on Circuits and Systems for Video Technology
Year:
2001

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Novel VLSI algorithm and architecture with good quantization properties for a high-throughput area efficient systolic array implementation of DCT

EURASIP Journal on Advances in Signal Processing - Special issue on quantization of VLSI digital signal processing systems

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Abstract

In this paper, we propose a generalized architecture for the 1-D discrete cosine transform (DCT), discrete sine transform (DST), and their inverses based on a general formulation. This architecture provides the flexibility to adaptively select different transform functions through a simple control signal. As compared with other unified architectures for the DCT/DST, the proposed architecture possesses better performance in the hardware cost and the number of I/O channels. The proposed design can be efficiently realized by using the distributed arithmetic approach in the VLSI implementation