Add RNN translation model figure

Section06-Neural-Machine-Translation/section06.tex

@@ -69,6 +69,13 @@
 %\usetheme{Boadilla}
 %\usecolortheme{dolphin}
 
+\newdimen\XCoord
+\newdimen\YCoord
+\newdimen\TMP
+\newcommand*{\ExtractCoordinate}[1]{\path (#1); \pgfgetlastxy{\XCoord}{\YCoord};}%
+\newcommand*{\ExtractX}[1]{\path (#1); \pgfgetlastxy{\XCoord}{\TMP};}%
+\newcommand*{\ExtractY}[1]{\path (#1); \pgfgetlastxy{\TMP}{\YCoord};}%
+
 \newcounter{mycount1}
 \newcounter{mycount2}
 \newcounter{mycount3}
@@ -656,6 +663,119 @@ NLP问题的隐含结构假设 & 无隐含结构假设，端到端学习 \\
 \item 一种简单的模型
 \end{itemize}
 %%% 图
+\begin{center}
+    \begin{tikzpicture}
+        \newlength{\base}
+        \setlength{\base}{0.9cm}
+
+        \begin{scope}
+            \tikzstyle{rnnnode} = [rounded corners=2pt,minimum width=0.5\base,minimum height=0.5\base,draw]
+            \tikzstyle{wordnode} = [font=\tiny]
+
+            % RNN Encoder
+            \coordinate (eemb0) at (0,0);
+            \foreach \x [count=\y from 0] in {1,2,...,10}
+                \node[rnnnode,fill=green!30!white,anchor=west] (eemb\x) at ([xshift=0.5\base]eemb\y.east) {};
+            \foreach \x in {1,2,...,10}
+                \node[rnnnode,fill=blue!30!white,anchor=south] (enc\x) at ([yshift=0.5\base]eemb\x.north) {};
+            \node[wordnode,left=0.5\base of enc1] (init) {$0$};
+            
+            \node[wordnode,below=0pt of eemb1] () {你};
+            \node[wordnode,below=0pt of eemb2] () {知道};
+            \node[wordnode,below=0pt of eemb3] () {去};
+            \node[wordnode,below=0pt of eemb4] () {北京站};
+            \node[wordnode,below=0pt of eemb5] () {的};
+            \node[wordnode,below=0pt of eemb6] () {路};
+            \node[wordnode,below=0pt of eemb7] () {怎么};
+            \node[wordnode,below=0pt of eemb8] () {走};
+            \node[wordnode,below=0pt of eemb9] () {吗};
+            \node[wordnode,below=0pt of eemb10] () {$\langle$eos$\rangle$};
+            
+            % RNN Decoder
+            \foreach \x in {1,2,...,10}
+                \node[rnnnode,fill=green!30!white,anchor=south] (demb\x) at ([yshift=1.5\base]enc\x.north) {};
+            \foreach \x in {1,2,...,10}
+                \node[rnnnode,fill=blue!30!white,anchor=south] (dec\x) at ([yshift=0.5\base]demb\x.north) {};
+            
+            % Decoder input words
+            \node[wordnode,below=0pt of demb1] (decwordin) {$\langle$eos$\rangle$};
+            \ExtractX{$(demb2.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Do};
+            \ExtractX{$(demb3.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {you};
+            \ExtractX{$(demb4.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {know};
+            \ExtractX{$(demb5.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {the};
+            \ExtractX{$(demb6.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {way};
+            \ExtractX{$(demb7.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {to};
+            \ExtractX{$(demb8.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Beijing};
+            \ExtractX{$(demb9.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Railway};
+            \ExtractX{$(demb10.south)$}
+            \ExtractY{$(decwordin.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Station};
+            
+            % Decoder output words
+            \node[wordnode,above=0.5\base of dec1] (decwordout) {Do};
+            \ExtractX{$(dec2.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {you};
+            \ExtractX{$(dec3.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {know};
+            \ExtractX{$(dec4.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {the};
+            \ExtractX{$(dec5.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {way};
+            \ExtractX{$(dec6.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {to};
+            \ExtractX{$(dec7.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Beijing};
+            \ExtractX{$(dec8.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Railway};
+            \ExtractX{$(dec9.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {Station};
+            \ExtractX{$(dec10.north)$}
+            \ExtractY{$(decwordout.base)$}
+            \node[wordnode,anchor=base] () at (\XCoord,\YCoord) {$\langle$eos$\rangle$};
+            
+            % Connections
+            \draw[-latex'] (init.east) to (enc1.west);
+            \foreach \x in {1,2,...,10}
+                \draw[-latex'] (eemb\x) to (enc\x);
+            \foreach \x in {1,2,...,10}
+                \draw[-latex'] (demb\x) to (dec\x);
+            \foreach \x in {1,2,...,10}
+                \draw[-latex'] (dec\x.north) to ([yshift=0.5\base]dec\x.north);
+            \foreach \x [count=\y from 2] in {1,2,...,9}
+            {
+                \draw[-latex'] (enc\x.east) to (enc\y.west);
+                \draw[-latex'] (dec\x.east) to (dec\y.west);
+            }
+            \coordinate (bridge1) at ([yshift=-\base]demb5);
+            \coordinate (bridge2) at ([yshift=-\base]demb2.west);
+            \draw[-latex'] (enc10.north) .. controls +(north:0.8\base) and +(east:\base) .. (bridge1) to (bridge2) .. controls +(west:2.5\base) and +(west:0.6\base) .. (dec1.west);
+        \end{scope}
+    \end{tikzpicture}
+\end{center}
 \end{frame}
 
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