What is it about?
Approximate computing can provide meaningful results with lower power consumption. Besides the output values, we also consider the pattern distribution to resynthesize the 4-2 compressor in imprecise style. We have simulated 6 benchmarks to show the superiority of the proposed imprecise 4-2 compressor.
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Why is it important?
Multiplier is an energy-hungry element and generally used in basic arithmetic operation for common DSP applications. The multiplier which adopts the proposed imprecise 4-2 compressor can improve the accuracy and maintain both the high power efficiency and low circuit complexity.
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This page is a summary of: An Imprecise 4-2 Compressor Design Used in Image Processing Applications, IET Circuits Devices & Systems, April 2019, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-cds.2018.5403.
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