From: Michel Salomon Date: Wed, 28 Oct 2015 16:05:05 +0000 (+0100) Subject: Copie des fichiers dans le depot X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/presentation_reservoir.git/commitdiff_plain/c420ac31a3a51a6f1a318ba4e979fe02d7dcdb6d Copie des fichiers dans le depot --- diff --git a/Hexagones.jpg b/Hexagones.jpg new file mode 100644 index 0000000..66d43f8 Binary files /dev/null and b/Hexagones.jpg differ diff --git a/beamerthemefemto.sty b/beamerthemefemto.sty new file mode 100644 index 0000000..252d2fa --- /dev/null +++ b/beamerthemefemto.sty @@ -0,0 +1,217 @@ +%------------------------------------------------------------------------------- +% LaTeX Beamer theme "femto" from the femto-st evaluation model (2011) JM Nicod and PC Heam (LIFC) +% +% author: Christophe Varnier et passage au ".sty" par G. 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100644 index 0000000..61f5d8f Binary files /dev/null and b/photonic-RC.xcf differ diff --git a/reservoir.tex b/reservoir.tex new file mode 100644 index 0000000..d3ca368 --- /dev/null +++ b/reservoir.tex @@ -0,0 +1,274 @@ +\documentclass{beamer} + +\usepackage{beamerthemefemto} + +\usepackage[latin1]{inputenc} +\usepackage[T1]{fontenc} +\usepackage{amsfonts,amsmath,amssymb,stmaryrd} +\usepackage[frenchb]{babel} + + +\usepackage{graphicx} +\DeclareGraphicsExtensions{.jpg, .png , .pdf, .bmp, .pdftex} + + +\title{Parallelization and optimization \\ +of the neuromorphic simulation code. +Application on the MNIST problem} + +\author{Rapha\"el Couturier, {\bf Michel Salomon}} + +\institute[FEMTO-ST Institute]{\textit{FEMTO-ST - DISC Department - AND Team}} + +\date{November 2 \& 3, 2015 / Besançon \\ + Dynamical Systems and Brain-inspired Information Processing Workshop} + +% ____ _____ ____ _ _ _____ +% | _ \| ____| __ )| | | |_ _| +% | | | | _| | _ \| | | | | | +% | |_| | |___| |_) | |_| | | | +% |____/|_____|____/ \___/ |_| +% + +\begin{document} +\setbeamertemplate{background}{\titrefemto} + +\begin{frame}[plain] +\titlepage +\end{frame} + +\setbeamertemplate{background}{\pagefemto} + +\begin{frame}{Introduction} % Slide 1 + % 1 - Photonic implementation of reservoir computing through NLDDE in Laurent's team + % 2 - Motivation + % -> Success of reservoir computing + % -> Hardware implementation allowing fast processing + % 3 - Simulation by a Matlab code - pre and post-processing by computer + % -> Drawback = redhibitory computation time + \begin{femtoBlock} + {Background} + \begin{itemize} + \item Emergence of hardware RC implementation + \begin{center} + Analogue electronic; {\bf optoelectronic}; fully optical + \end{center} + {\scriptsize Larger {\em et al.} - {\it Photonic information processing beyond Turing: an optoelectronic + implementation of reservoir computing}, Opt. Express 20, 3241-3249 (2012)} + \item Simulation code + \begin{itemize} + \item Study processing conditions + \item Tuning parameters + \item Pre and post-processing by computer + \end{itemize} + \end{itemize} + \end{femtoBlock} + \medskip + \begin{femtoBlock} + {Motivation} + \begin{itemize} + \item Study the concept of Reservoir Computing + \item Design a faster simulation code + \item Apply it to a new problem + \end{itemize} + \end{femtoBlock} +\end{frame} + +\begin{frame}{Outline} +\setbeamertemplate{section in toc}[sections numbered] +\tableofcontents +\end{frame} + +\section{Neuromorphic processing} + +\begin{frame}{Delay Dynamics as a Reservoir} % Slide 2 + \begin{femtoBlock} + % Reprendre le schema de la figure 2 du pdf NTC de Laurent + {Spatio-temporal viewpoint of a DDE ({\NoAutoSpaceBeforeFDP \tiny Larger {\em et al.} - Opt. Express 20:3 2012})\\} + \centering + \includegraphics[width=7.5cm]{ntc.png} + \begin{itemize} + \item $\delta_t \rightarrow \mbox{temporal spacing}; \tau_D \rightarrow \mbox{time delay}$ + \item $f(x) \rightarrow \mbox{nonlinear transformation}; h(t) \rightarrow \mbox{impulse response}$ + \end{itemize} + \end{femtoBlock} + % Slide 21 + equation a retard du NTC + \begin{femtoBlock} + {Computer simulation with an Ikeda type NLDDE} + $$ + \tau \frac{dx}{dt}(t)=-x(t)+\beta \sin^2 [\alpha\,x(t-\tau_D)+\rho\,u_{\mbox{in}}(t-\tau_D)+\Phi_0] + $$ + \centering + $\alpha \rightarrow \mbox{feedback scaling}; \beta \rightarrow \mbox{gain}; \rho \rightarrow \mbox{amplification}; + \Phi_0 \rightarrow \mbox{offset}$ + \end{femtoBlock} +\end{frame} + +\begin{frame}{Photonic Reservoir Computing} % Slide 3 + \begin{femtoBlock} + {Optoelectronic setup ({\NoAutoSpaceBeforeFDP \tiny Larger~{\em et al.}~-~Opt.~Express~20:3~2012})\\} + \vspace{0.25cm} + \centering + \includegraphics[width=7.5cm]{photonic-RC.png} + \vspace{0.25cm} + \end{femtoBlock} + \begin{femtoBlock} + {Spoken digits recognition task} + \begin{itemize} + \item Input data $\rightarrow$ {\small matrix obtained by Lyon ear model transformation} + \item Output data $\rightarrow$ {\small matrix describing the spoken digit} + \end{itemize} + \end{femtoBlock} +\end{frame} + +\begin{frame}{Spoken Digits Recognition} % Slide 4 + \begin{femtoBlock} + {Input (pre-processing) \\} + \begin{itemize} + \item Lyon ear model transformation \\ + $\rightarrow$ 60 samples $\times$ 86 frequency channels + \item Channels connection to reservoir (400 neurons) \\ + $\rightarrow$ sparse and random + \end{itemize} + \centering + \includegraphics[width=7.5cm]{sdr.png} + \end{femtoBlock} + \begin{femtoBlock} + {Reservoir transient response\\} + \vspace{0.125cm} + \centering + Temporal series recorded for Read-Out processing + \end{femtoBlock} +\end{frame} + +\begin{frame}{Spoken Digits Recognition} % Slide 5 + \begin{femtoBlock} + {Output (post-processing)\\} + \begin{itemize} + \item Training of the Read-Out \\ + $\rightarrow$ optimize $W^R$ matrix for the digits of the training set + \item Regression problem for $A \times W^R \approx B$ + \vspace{-0.25cm} + $$ + W^R_{\mbox{opt}}=\left(A^TA - \lambda I\right)^{-1} A^T B + $$ + \vspace{-0.5cm} + \begin{itemize} + \item $A$ = concatenates reservoir transient response for each digit + \item $B$ = concatenates target matrices + \end{itemize} + \end{itemize} + \end{femtoBlock} + \begin{femtoBlock} + {Testing\\} + \begin{itemize} + \item Dataset of 500 speech samples $\rightarrow$ 5 female speakers + \item 20-fold cross-validation $\rightarrow$ 20 $\times$ 25 test samples + \item Performance evaluation $\rightarrow$ {\bf W}ord {\bf E}rror {\bf R}ate + \end{itemize} + \end{femtoBlock} +\end{frame} + +\begin{frame}{Matlab Simulation Code} % Slide 7 + % Grandes lignes a partir du pdf de Laurent + \begin{femtoBlock} + {Main lines\\} + \end{femtoBlock} + % Inconvenient de ce code => temps de calcul + \begin{femtoBlock} + {Computation time\\} + \end{femtoBlock} +\end{frame} + +\section{Parallelization and optimization} + +\begin{frame}{Parallelization Scheme} % Slide 8 + % 1 - Comment le paralleliser + % 2 - Langage et bibliotheque +\end{frame} + +\begin{frame}{Finding the Optimal Parameters} % Slide 9 + % 1 - Quels parametres et pourquoi ? +\end{frame} + +\begin{frame}{Finding the Optimal Parameters} % Slide 10 + % 2 - Optimisation par recuit simule +\end{frame} + +\begin{frame}{Performances} % Slide 11 + % 1 - Taux d'erreur en terme de classification + % 2 - Gain en temps d'execution / speedup curve +\end{frame} + +\section{Performances on the MNIST problem} + +\begin{frame}{Application on the MNIST problem} % Slide 12 + % 1 - Decrire ce qu'est le MNIST + % 2 - Setup de notre reservoir +\end{frame} + +\begin{frame}{Comparison with other approaches} % Slide 13 + % 1 - Convolutional Neural Networks + % 2 - Reservoir en pipeline (papier de 2015) +\end{frame} + +\begin{frame}{Comparison with other approaches} % Slide 14 + % Tableau recapitulant les performances +\end{frame} + +\section{Conclusion and perspectives} + +\begin{frame}{Conclusion and perspectives} % Slide 15 + +\end{frame} + +\begin{frame}{Thank you for your attention} + \begin{center} + \LARGE Questions ? + \end{center} +\end{frame} + +%\begin{frame}{Titre du slide} + +% \begin{femtoBlock} +% {Ceci est un femtoBlock\\} +% Et ici le texte dans le femtoBlock +% \begin{itemize} +% \item premier item +% \item deuxième item +% \end{itemize}% +% \end{femtoBlock} +% \begin{femtoBlock} +% {Autre femtoBlock\\} +% \begin{itemize} +% \item bla bla +% \item bla bla +% \end{itemize} +% \end{femtoBlock} +%\end{frame} + +%\section{Titre2} + +%\begin{frame}{Autre titre} + +% \begin{femtoBlock} +% {Utilisation possible de block (standard)\\} + +% \begin{block}{Titre du block} +% texte contenu dans le block +% \begin{itemize} +% \item bla bla +% \item bla bla +% \end{itemize} +% \end{block} +% \end{femtoBlock} + +%\end{frame} + +\end{document} +% _____ ___ _ _ +% | ___|_ _| \ | | +% | |_ | || \| | +% | _| | || |\ | +% |_| |___|_| \_| +% diff --git a/reservoir.txt b/reservoir.txt deleted file mode 100644 index e69de29..0000000 diff --git a/sdr.jpg b/sdr.jpg new file mode 100644 index 0000000..446fe99 Binary files /dev/null and b/sdr.jpg differ diff --git a/sdr.png b/sdr.png new file mode 100644 index 0000000..ff03f70 Binary files /dev/null and b/sdr.png differ diff --git a/sdr.xcf b/sdr.xcf new file mode 100644 index 0000000..91d228e Binary files /dev/null and b/sdr.xcf differ