An optimized lookup-table for the evaluation of sigmoid function for artificial neural networks

Proceedings of the 2010 18th IEEE/IFIP International Conference on VLSI and System-on-Chip, VLSI-SoC 2010

Volumn , Issue , 2010, Pages 91-95

  Meher, Pramod Kumar ^a  

^a INSTITUTE FOR INFOCOMM RESEARCH   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

ARTIFICIAL NEURAL NETWORK; COMBINATIONAL CIRCUITS; EFFICIENT DESIGNS; HARDWARE IMPLEMENTATIONS; HYPERBOLIC TANGENT; LOOK UP TABLE; OPTIMIZATION SCHEME; SIGMOID FUNCTION; SUBDOMAIN;

APPLICATION SPECIFIC INTEGRATED CIRCUITS; DESIGN; HARDWARE; OPTIMIZATION; PROGRAMMABLE LOGIC CONTROLLERS; TABLE LOOKUP;

NEURAL NETWORKS;

EID: 78650926721     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/VLSISOC.2010.5642617     Document Type: Conference Paper

References (11)

1. New S. S. Haykin, Neural Networks : a Comprehensive Foundation. York: Maxwell Macmillan International, 1994.
2. S. Y. Kung, Digital Neurocomputing. Englewood Cliffs, NJ: Prentice Hall, 1992.
3. A. R. Omondi and J. C. Rajapakse, Eds., FPGA Implementations of Neural Networks. The Netherlands: Springer, 2006.
4. B. Lee and N. Burgess, "Some results on Taylor-series function approximation on FPGA," in Conference Record of the Thirty-Seventh Asilomar Conference on Signals, Systems and Computers, vol. 2, Nov. 2003, pp. 2198-2202.
5. V. Saichand, D. M. Nirmala, S. Arumugam, and N. Mohankumar, "FPGA realization of activation function for artificial neural networks," in Eighth International Conference on Intelligent Systems Design and Applications,ISDA '08, vol. 3, Nov. 2008, pp. 159-164.
6. C.-W. Lin and J.-S. Wang, "A digital circuit design of hyperbolic tangent sigmoid function for neural networks," in IEEE International Symposium on Circuits and Systems (ISCAS'08), May 2008, pp. 856-859.
7. F. Piazza, A. Uncini, and M. Zenobi, "Neural networks with digital LUT activation functions," in Proc. International Joint Conference on Neural Networks,(IJCNN'93), vol. 2, Oct. 1993, pp. 1401-1404.
8. T. C. Chen, "Automatic computation of exponentials, logarithms, ratios, and square roots," IBM Journal of Research and Development, vol. 16, pp. 380-388, Jul. 1972.
9. S. Vassiliadis, M. Zhang, and J. G. Delgado-Frias, "Elementary function generators for neural-network emulators," IEEE Transactions on Neural Networks, vol. 11, no. 6, pp. 1438-1449, Nov. 2000.
10. R. Muscedere, V. Dimitrov, G. A. Jullien, and W. C. Miller, "Efficient techniques for binary-to-multidigit multidimensional logarithmic number system conversion using range-addressable look-up tables," IEEE Transactions on Computers, vol. 54, no. 3, pp. 257-271, Mar. 2005.
11. K. Leboeuf, A. H. Namin, R. Muscedere, H. Wu, and M. Ahmadi, "High speed VLSI implementation of the hyperbolic tangent sigmoid function," in Proc. Third International Conference on Convergence and Hybrid Information Technology, ICCIT '08, vol. 1, Nov. 2008, pp. 1070-1073.