Bio-Inspired Imprecise Computational Blocks for Efficient VLSI Implementation of Soft-Computing Applications

By H. R. Mahdiani, A. Ahmadi, S. M. Fakhraie, C. Lucas. IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2010

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DRUM: A Dynamic Range Unbiased Multiplier for approximate applications (2015, methodology): “propose a bio-inspired approach, where the addition results within the multiplier were approximated by using OR gates for the lower part of the inputs [4].”
Design of Power and Area Efficient Approximate Multipliers (2017, background): “Broken array multiplier is implemented in [4], where the least significant bits of inputs are truncated, while forming partial products to reduce hardware complexity.”
Low-Power Digital Signal Processing Using Approximate Adders (2013, background): “Other works that focus on logic complexity reduction at the gate level are [16]–[19].”
Design and Analysis of Approximate Compressors for Multiplication (2015, methodology): “Addition and multiplication are widely used operations in computer arithmetic; for addition full-adder cells have been extensively analyzed for approximate computing [2], [3], [4].”
New Metrics for the Reliability of Approximate and Probabilistic Adders (2013, methodology): “The recently proposed LOA is based on such a design [7].”