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Here we consider one special situation for approximate computing. Given a specification, S, in a truth table and its corresponding multi-level logic circuit implementation, I, S is changed to S' by only changing the truth table value for exactly one minterm from 0 to 1 or 1 to 0. We would like to transform I into I' in such a way that I' is equivalent to S' This is a sort of basic operations for approximate...
This paper presents an area-efficient approximate method for 32-point transform which is one of the most area-consuming parts in High Efficiency Video Coding (HEVC) applications. Compared to prior literatures, this work reduces the hardware cost of transform by 1) eliminating all the arithmetic operations of 6 least significant bits (LSB), 2) presenting a low-delay method for generating carry propagation...
This paper concentrates on high-level data-flow optimization and synthesis techniques for datapath intensive designs such as those in Digital Signal Processing (DSP), computer graphics and embedded systems applications, which are modeled as polynomial computations over $Z_{2^{n_1 } } \times Z_{2^{n_2 } } \times \cdots \times Z_{2^{n_d } }$<alternatives><inline-graphic xlink:type="simple" xlink:href="ghandali-ieq1-2345395.gif"/></alternatives> ...
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