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Energy-Efficient Circuits and Systems Group
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A Low-Power DCT Core Using Adaptive Bitwidth And Arithmetic Activity Exploiting Signal Correlations And Quantization

Xanthopoulos, T., A. P. Chandrakasan, "A Low-Power DCT Core Using Adaptive Bitwidth and Arithmetic Activity Exploiting Signal Correlations and Quantization," IEEE Journal of Solid-State Circuits, pp. 740-750, May 2000.