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Add max pooling example

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Martin Thoma 2016-11-20 10:50:54 +01:00
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tikz/max-pooling/max-pooling.tex Normal file
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\documentclass{standalone}
\usepackage{amssymb}
\usepackage{tikz}
\usetikzlibrary{arrows.meta}
\usetikzlibrary{decorations.pathreplacing}
\begin{document}
\definecolor{c1}{HTML}{9ACFC6}
\definecolor{c2}{HTML}{DABBD6}
\definecolor{c3}{HTML}{CBDCB9}
\definecolor{c4}{HTML}{9AC3E1}
\definecolor{c5}{HTML}{DEBBA5}
\definecolor{c6}{HTML}{C4DDE5}
\newcommand*{\xMin}{0}%
\newcommand*{\xMax}{6}%
\newcommand*{\yMin}{0}%
\newcommand*{\yMax}{4}%
\newcommand*{\xMinR}{9.5}%
\newcommand*{\xMaxR}{12.5}%
\newcommand*{\yMinR}{1}%
\newcommand*{\yMaxR}{3}%
\begin{tikzpicture}
\fill [c1] (0, 0) rectangle (2, 2);
\fill [c2] (2, 0) rectangle (4, 2);
\fill [c3] (4, 0) rectangle (6, 2);
\fill [c4] (0, 2) rectangle (2, 4);
\fill [c5] (2, 2) rectangle (4, 4);
\fill [c6] (4, 2) rectangle (6, 4);
\fill [c1] (9.5, 1) rectangle (10.5, 2);
\fill [c2] (10.5, 1) rectangle (11.5, 2);
\fill [c3] (11.5, 1) rectangle (12.5, 2);
\fill [c4] (9.5, 2) rectangle (10.5, 3);
\fill [c5] (10.5, 2) rectangle (11.5, 3);
\fill [c6] (11.5, 2) rectangle (12.5, 3);
\foreach \i in {\xMin,...,\xMax} {
\draw [very thin,gray] (\i,\yMin) -- (\i,\yMax) node [below] at (\i,\yMin) {};
}
\foreach \i in {\yMin,...,\yMax} {
\draw [very thin,gray] (\xMin,\i) -- (\xMax,\i) node [left] at (\xMin,\i) {};
}
% [7, 9, 3, 5, 9, 4,
% 0, 7, 0, 0, 9, 0,
% 5, 0, 9, 3, 7, 5,
% 9, 2, 9, 6, 4, 3]
\foreach \i in {\xMin,2,...,\xMax} {
\draw [thick,gray] (\i,\yMin) -- (\i,\yMax) node [below] at (\i,\yMin) {};
}
\foreach \i in {\yMin,2,...,\yMax} {
\draw [thick,gray] (\xMin,\i) -- (\xMax,\i) node [left] at (\xMin,\i) {};
}
\node at (0.5, 0.5) {7};
\node at (1.5, 0.5) {9};
\node at (2.5, 0.5) {3};
\node at (3.5, 0.5) {5};
\node at (4.5, 0.5) {9};
\node at (5.5, 0.5) {4};
%
\node at (0.5, 1.5) {0};
\node at (1.5, 1.5) {7};
\node at (2.5, 1.5) {0};
\node at (3.5, 1.5) {0};
\node at (4.5, 1.5) {9};
\node at (5.5, 1.5) {0};
%
\node at (0.5, 2.5) {5};
\node at (1.5, 2.5) {0};
\node at (2.5, 2.5) {9};
\node at (3.5, 2.5) {3};
\node at (4.5, 2.5) {7};
\node at (5.5, 2.5) {5};
%
\node at (0.5, 3.5) {9};
\node at (1.5, 3.5) {2};
\node at (2.5, 3.5) {9};
\node at (3.5, 3.5) {6};
\node at (4.5, 3.5) {4};
\node at (5.5, 3.5) {3};
\draw[draw=black,line width=12pt,-{Latex[length=9mm]}] (6.5, 2) -- (9,2);
\node[font=\footnotesize\bfseries] at (7.7, 2.5) {$2\times 2$ max pooling};
\foreach \i in {\xMinR,...,\xMaxR} {
\draw [thick,gray] (\i,\yMinR) -- (\i,\yMaxR) node [below] at (\i,\yMinR) {};
}
\foreach \i in {\yMinR,...,\yMaxR} {
\draw [thick,gray] (\xMinR,\i) -- (\xMaxR,\i) node [left] at (\xMinR,\i) {};
}
\node at (10, 1.5) {9};
\node at (11, 1.5) {5};
\node at (12, 1.5) {9};
\node at (10, 2.5) {9};
\node at (11, 2.5) {9};
\node at (12, 2.5) {7};
\draw [decorate,decoration={brace,amplitude=4pt},xshift=-2pt,yshift=0pt]
(0,2) -- (0,4) node [black,midway,xshift=-0.3cm] {\footnotesize $2$};
\draw [decorate,decoration={brace,amplitude=4pt},xshift=0pt,yshift=2pt]
(0,4) -- (2,4) node [black,midway,yshift=+0.3cm] {\footnotesize $2$};
\end{tikzpicture}
\end{document}