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Novel approximate absolute difference hardware

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Mert, Ahmet Can and Azgın, Hasan and Kalalı, Ercan and Hamzaoğlu, İlker (2019) Novel approximate absolute difference hardware. In: 2019 Euromicro Conference on Digital System Design (DSD), Kallithea, Greece (Accepted/In Press)

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Abstract

Approximate hardware designs have higher performance, smaller area or lower power consumption than exact hardware designs at the expense of lower accuracy. Absolute difference (AD) operation is heavily used in many applications such as motion estimation (ME) for video compression, ME for frame rate conversion, stereo matching for depth estimation. Since most of the applications using AD operation are error tolerant by their nature, approximate hardware designs can be used in these applications. In this paper, novel approximate AD hardware designs are proposed. The proposed approximate AD hardware implementations have higher performance, smaller area and lower power consumption than exact AD hardware implementations at the expense of lower accuracy. They also have less error, smaller area and lower power consumption than the approximate AD hardware implementations which use approximate adders proposed in the literature.

Item Type:Papers in Conference Proceedings
Subjects:UNSPECIFIED
ID Code:37406
Deposited By:Ahmet Can Mert
Deposited On:04 Aug 2019 23:25
Last Modified:22 Aug 2019 11:06

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