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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.10
- 수록면
- 233 - 240 (8page)
- DOI
- 10.14372/IEMEK.2021.16.5.233
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초록· 키워드
오류제보하기
We propose a novel, highly accurate approximate multiplier using different types of inexact 4-2 compressors. The importance of low hardware costs leads us to develop approximate multiplication for error-resilient applications. Several rules are developed when selecting a topology for designing the proposed multiplier. Our highly accurate multiplier design considers the different error characteristics of adopted compressors, which achieves a good error distribution, including a low relative error of 0.02% in the 8-bit multiplication. Our analysis shows that the proposed multiplier significantly reduces power consumption and area by 45% and 26%, compared with the exact multiplier. Notably, a trade-off relationship between error characteristics and hardware costs can be achieved when considering those of existing highly accurate approximate multipliers. In the image blending, edge detection and image sharpening applications, the proposed 8-bit approximate multiplier shows better performance in terms of image quality metrics compared with other highly accurate approximate multipliers.
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참고문헌 (12)
참고문헌 신청
J. Han / 2013 / Approximate Computing : An Emerging Paradigm for Energy-efficient Design / Proc. 18th IEEE Eur. Test Symp. :1~6
C. S. Wallace / 1964 / A Suggestion for a Fast Multiplier / IEEE Trans. Electron. Comput. EC-13(1):14~17
L. Dadda / 1983 / Some Schemes for Fast Serial Input Multipliers / Proc. IEEE 6th Symp. Comput. Arithmetic(ARITH) 34:349~356
S. Sowmiya / 2017 / Design and Analysis of 4-2 Compressor for Arithmetic Application / Asian Journal of Applied Science and Technology(AJAST) 1(1):106~109
A. Momeni / 2015 / Design and Analysis of Approximate Compressors for Multiplication / IEEE Transactions on Computers 64(4):984~994
C. S. Wallace / 1964 / A Suggestion for a Fast Multiplier / IEEE Trans. Electron. Comput. EC-13(1):14~17
L. Dadda / 1983 / Some Schemes for Fast Serial Input Multipliers / Proc. IEEE 6th Symp. Comput. Arithmetic(ARITH) 34:349~356
S. Sowmiya / 2017 / Design and Analysis of 4-2 Compressor for Arithmetic Application / Asian Journal of Applied Science and Technology(AJAST) 1(1):106~109
A. Momeni / 2015 / Design and Analysis of Approximate Compressors for Multiplication / IEEE Transactions on Computers 64(4):984~994
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