Square-root, reciprocal, sine/cosine, arctangent cell for signal and image processing
VK Jain, L Lin - Proceedings of ICASSP'94. IEEE International …, 1994 - ieeexplore.ieee.org
This paper discusses an efficient interpolation method for nonlinear function generation.
Based on this, a 24 bit VLSI cell, capable of computing the (1) square root,(2) reciprocal,(3)
sine/cosine, and (4) arctangent functions, is presented for single precision floating-point
applications. A 53 bit version, suitable for double precision computations, is also presented.
Finally, an extension of the method to the two dimensional nonlinear functions is briefly
addressed.<>
Based on this, a 24 bit VLSI cell, capable of computing the (1) square root,(2) reciprocal,(3)
sine/cosine, and (4) arctangent functions, is presented for single precision floating-point
applications. A 53 bit version, suitable for double precision computations, is also presented.
Finally, an extension of the method to the two dimensional nonlinear functions is briefly
addressed.<>
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