Energy-efficient acceleration of MPEG-4 compression tools
Kinane, Andrew and Larkin, Daniel and O'Connor, Noel E. (2007) Energy-efficient acceleration of MPEG-4 compression tools. EURASIP Journal on Embedded Systems . ISSN 1687-3955
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We propose novel hardware accelerator architectures for the most computationally demanding algorithms of the MPEG-4 video compression standard-motion estimation, binary motion estimation (for shape coding), and the forward/inverse discrete cosine transforms (incorporating shape adaptive modes). These accelerators have been designed using general low-energy design philosophies at the algorithmic/architectural abstraction levels. The themes of these philosophies are avoiding waste and trading area/performance for power and energy gains. Each core has been synthesised targeting TSMC 0.09
μm TCBN90LP technology, and the experimental results presented in this paper show that the proposed cores improve upon the prior art.
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