Unconventional Computing

Stochastic Computer Architectures

Digital Circuits and Systems targeting emerging technological fields designed using Unconventional Computer Arithmetic techniques. Design, analytical modeling and hardware realization of custom digital architectures for Stochastic Computing. Implementation of Digital Image Processing algorithms, Filtering and Machine Learning processing blocks with conventional, Unary & Stochastic processing. .

Relevant Publications

N. Temenos and P. P. Sotiriadis, "A Markov Chain Framework for Modeling the Statistical Properties of Stochastic Computing Finite-State Machines, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems", 2022, doi: 10.1109/TCAD.2022.3211487.

N. Temenos, P. P. Sotiriadis, “Modeling a Stochastic Computing Non-Scaling Adder and its Application in Image Sharpening”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 5, pp. 2543 - 2547, May 2022.

N. Temenos, A. Vlachos, P. P. Sotiriadis, "Efficient Stochastic Computing FIR Filtering Using Sigma-Delta Modulated Signals ", Technologies 2022, 10, 14.

P. P. Sotiriadis, N. Temenos, “Compact MAX and MIN Stochastic Computing Architectures” Elsevier Integration, Article in Press, 2022.

N. Temenos, P. P. Sotiriadis, "Stochastic Computing Max & Min Architectures Using Markov Chains: Design, Analysis, and Implementation", IEEE TVLSI, vol. 29, no. 11, pp. 1813-1823, Nov. 2021.

N. Temenos, P.P. Sotiriadis, "Non-Scaling Adders and Subtracters for Stochastic Computing using Markov Chains", IEEE Trans. on Very Large Scale Integration Systems, vol. 29, no. 9, pp. 1612-1623, Sept. 2021.

N. Temenos, P.P. Sotiriadis, "Deterministic Finite State Machines for Stochastic Division in Unipolar Format", IEEE International Symposium on Circuits and Systems, Seville, Spain, 2020.

N. Temenos, P. Sotiriadis, “A New Technique for Stochastic Division in Unipolar Format”, IEEE International Conference on Modern Circuits and Systems Technologies on Electronics and Communications, Thessaloniki, Greece, 2019.

Research Directions