An improved scaled DCT architecture

This paper presents an efficient architecture for computing the eight-point 1D scaled DCT (discrete cosine transform) with a new algorithm based on a selected Loeffler DCT scheme whose multiplications are placed in the last stage. The proposed DCT architecture does not require any scaling compensati...

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Veröffentlicht in:	IEEE transactions on consumer electronics 2009-05, Vol.55 (2), p.685-689
Hauptverfasser:	Wu, Zhigang, Sha, Jin, Wang, Zhongfeng, Li, Li, Gao, Minglun
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Approximation Approximation algorithms Approximation methods Architecture Computation Computer architecture CORDIC algorithm DCT Delay Discrete cosine transforms Electronics Hardware Iterative algorithms Karhunen-Loeve transforms Mathematical analysis Multiplication Quantization Robustness Scaled DCT
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