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- W2110254700 abstract "In this paper, we propose an energy-efficient motion estimation architecture. The proposed architecture employs the principle of error-resiliency to combat logic level timing errors that may arise in average-case designs in presence of process variations and/or due to overscaling of the supply voltage [voltage overscaling (VOS)] and thereby achieves power reduction. Error-resiliency is incorporated via algorithmic noise-tolerance (ANT). Referred to as input subsampled replica ANT (ISR-ANT), the proposed technique incorporates an input subsampled replica of the main sum-of-absolute-difference (MSAD) block for detecting and correcting errors in the MSAD block. Simulations show that the proposed technique can save up to 60% power over an optimal error-free system in a 130-nm CMOS technology. These power savings increase to 78% in a 45-nm predictive process technology. Performance of the ISR-ANT architecture in the presence of process variations indicates that average peak signal-to-noise ratio (PSNR) of the ISR-ANT architecture increases by up to 1.8 dB over that of the conventional architecture in 130-nm IBM process technology. Furthermore, the PSNR variation (sigma/mu) is also reduced by 7times over that of the conventional architecture at the slow corner while achieving a power reduction of 33%." @default.
- W2110254700 created "2016-06-24" @default.
- W2110254700 creator A5013420358 @default.
- W2110254700 creator A5057014407 @default.
- W2110254700 date "2008-10-01" @default.
- W2110254700 modified "2023-09-25" @default.
- W2110254700 title "Error-Resilient Motion Estimation Architecture" @default.
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- W2110254700 doi "https://doi.org/10.1109/tvlsi.2008.2000675" @default.
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