Image analysis in healthcare systems using approximate multi-bit adders
by M. Priyadharshni; Kishore Sanapala; Polinpapilinho F. Katina; K. Prasanna Kumar
International Journal of System of Systems Engineering (IJSSE), Vol. 13, No. 1, 2023

Abstract: The expenses involved in designing computing systems, especially for the medical services framework, are a significant concern with technological advancements. However, the high cost of administrative waste tends to increase the complexity of digital system design. This paper suggests that high administrative costs can be reduced by reducing the complexity of the arithmetic systems used in the design. The major complexity of the arithmetic systems can be reduced by using approximate adders. In this paper, we have investigated approximate computing in full adders at the hardware phase. A hybrid multi-bit approximate adder (HMBAA) for multiple degrees of approximation is developed using approximate full adders. Hardware, error, and image evaluations for HMBAA are carried out in Synopsys using a 65 nm CMOS standard cell library, and MATLAB is used for error analysis. When compared to the precise adder, the simulation results of the proposed design showed significant improvements and achieved 62%, 23%, and 74% savings in terms of area, delay, and power consumption, respectively.

Online publication date: Thu, 16-Feb-2023

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