\section{Glimpse$<$ Input\+Data\+Type, Output\+Data\+Type $>$ Class Template Reference} \label{classmlpack_1_1ann_1_1Glimpse}\index{Glimpse$<$ Input\+Data\+Type, Output\+Data\+Type $>$@{Glimpse$<$ Input\+Data\+Type, Output\+Data\+Type $>$}} The glimpse layer returns a retina-\/like representation (down-\/scaled cropped images) of increasing scale around a given location in a given image. \subsection*{Public Member Functions} \begin{DoxyCompactItemize} \item \textbf{ Glimpse} (const size\+\_\+t in\+Size=0, const size\+\_\+t size=0, const size\+\_\+t depth=3, const size\+\_\+t scale=2, const size\+\_\+t input\+Width=0, const size\+\_\+t input\+Height=0) \begin{DoxyCompactList}\small\item\em Create the Glimpse\+Layer object using the specified ratio and rescale parameter. \end{DoxyCompactList}\item {\footnotesize template$<$typename eT $>$ }\\void \textbf{ Backward} (const arma\+::\+Mat$<$ eT $>$ \&, const arma\+::\+Mat$<$ eT $>$ \&gy, arma\+::\+Mat$<$ eT $>$ \&g) \begin{DoxyCompactList}\small\item\em Ordinary feed backward pass of the glimpse layer. \end{DoxyCompactList}\item Output\+Data\+Type \& \textbf{ Delta} () const \begin{DoxyCompactList}\small\item\em Get the detla. \end{DoxyCompactList}\item Output\+Data\+Type \& \textbf{ Delta} () \begin{DoxyCompactList}\small\item\em Modify the delta. \end{DoxyCompactList}\item bool \textbf{ Deterministic} () const \begin{DoxyCompactList}\small\item\em Get the value of the deterministic parameter. \end{DoxyCompactList}\item bool \& \textbf{ Deterministic} () \begin{DoxyCompactList}\small\item\em Modify the value of the deterministic parameter. \end{DoxyCompactList}\item {\footnotesize template$<$typename eT $>$ }\\void \textbf{ Forward} (const arma\+::\+Mat$<$ eT $>$ \&input, arma\+::\+Mat$<$ eT $>$ \&output) \begin{DoxyCompactList}\small\item\em Ordinary feed forward pass of the glimpse layer. \end{DoxyCompactList}\item size\+\_\+t const \& \textbf{ Input\+Height} () const \begin{DoxyCompactList}\small\item\em Get the input height. \end{DoxyCompactList}\item size\+\_\+t \& \textbf{ Input\+Height} () \begin{DoxyCompactList}\small\item\em Modify the input height. \end{DoxyCompactList}\item size\+\_\+t const \& \textbf{ Input\+Width} () const \begin{DoxyCompactList}\small\item\em Get the input width. \end{DoxyCompactList}\item size\+\_\+t \& \textbf{ Input\+Width} () \begin{DoxyCompactList}\small\item\em Modify input the width. \end{DoxyCompactList}\item void \textbf{ Location} (const arma\+::mat \&location) \begin{DoxyCompactList}\small\item\em Set the locationthe x and y coordinate of the center of the output glimpse. \end{DoxyCompactList}\item size\+\_\+t const \& \textbf{ Output\+Height} () const \begin{DoxyCompactList}\small\item\em Get the output height. \end{DoxyCompactList}\item size\+\_\+t \& \textbf{ Output\+Height} () \begin{DoxyCompactList}\small\item\em Modify the output height. \end{DoxyCompactList}\item Output\+Data\+Type \& \textbf{ Output\+Parameter} () const \begin{DoxyCompactList}\small\item\em Get the output parameter. \end{DoxyCompactList}\item Output\+Data\+Type \& \textbf{ Output\+Parameter} () \begin{DoxyCompactList}\small\item\em Modify the output parameter. \end{DoxyCompactList}\item size\+\_\+t const \& \textbf{ Output\+Width} () const \begin{DoxyCompactList}\small\item\em Get the output width. \end{DoxyCompactList}\item size\+\_\+t \& \textbf{ Output\+Width} () \begin{DoxyCompactList}\small\item\em Modify the output width. \end{DoxyCompactList}\item {\footnotesize template$<$typename Archive $>$ }\\void \textbf{ serialize} (Archive \&ar, const unsigned int) \begin{DoxyCompactList}\small\item\em Serialize the layer. \end{DoxyCompactList}\end{DoxyCompactItemize} \subsection{Detailed Description} \subsubsection*{template$<$typename Input\+Data\+Type = arma\+::mat, typename Output\+Data\+Type = arma\+::mat$>$\newline class mlpack\+::ann\+::\+Glimpse$<$ Input\+Data\+Type, Output\+Data\+Type $>$} The glimpse layer returns a retina-\/like representation (down-\/scaled cropped images) of increasing scale around a given location in a given image. \begin{DoxyTemplParams}{Template Parameters} {\em Input\+Data\+Type} & Type of the input data (arma\+::colvec, arma\+::mat, arma\+::sp\+\_\+mat or arma\+::cube). \\ \hline {\em Output\+Data\+Type} & Type of the output data (arma\+::colvec, arma\+::mat, arma\+::sp\+\_\+mat or arma\+::cube). \\ \hline \end{DoxyTemplParams} Definition at line 88 of file glimpse.\+hpp. \subsection{Constructor \& Destructor Documentation} \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a19c2ef07809ce53bd8eef72ed2c6e1eb}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Glimpse@{Glimpse}} \index{Glimpse@{Glimpse}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Glimpse()} {\footnotesize\ttfamily \textbf{ Glimpse} (\begin{DoxyParamCaption}\item[{const size\+\_\+t}]{in\+Size = {\ttfamily 0}, }\item[{const size\+\_\+t}]{size = {\ttfamily 0}, }\item[{const size\+\_\+t}]{depth = {\ttfamily 3}, }\item[{const size\+\_\+t}]{scale = {\ttfamily 2}, }\item[{const size\+\_\+t}]{input\+Width = {\ttfamily 0}, }\item[{const size\+\_\+t}]{input\+Height = {\ttfamily 0} }\end{DoxyParamCaption})} Create the Glimpse\+Layer object using the specified ratio and rescale parameter. \begin{DoxyParams}{Parameters} {\em in\+Size} & The size of the input units. \\ \hline {\em size} & The used glimpse size (height = width). \\ \hline {\em depth} & The number of patches to crop per glimpse. \\ \hline {\em scale} & The scaling factor used to create the increasing retina-\/like representation. \\ \hline {\em input\+Width} & The input width of the given input data. \\ \hline {\em input\+Height} & The input height of the given input data. \\ \hline \end{DoxyParams} \subsection{Member Function Documentation} \mbox{\label{classmlpack_1_1ann_1_1Glimpse_ad9ad1a3bdb0f3fff5c839ed155e4bbf8}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Backward@{Backward}} \index{Backward@{Backward}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Backward()} {\footnotesize\ttfamily void Backward (\begin{DoxyParamCaption}\item[{const arma\+::\+Mat$<$ eT $>$ \&}]{, }\item[{const arma\+::\+Mat$<$ eT $>$ \&}]{gy, }\item[{arma\+::\+Mat$<$ eT $>$ \&}]{g }\end{DoxyParamCaption})} Ordinary feed backward pass of the glimpse layer. \begin{DoxyParams}{Parameters} {\em input} & The propagated input activation. \\ \hline {\em gy} & The backpropagated error. \\ \hline {\em g} & The calculated gradient. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1ann_1_1Glimpse_ae7c8eba5764f021cd93e30efe638e63c}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Delta@{Delta}} \index{Delta@{Delta}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Delta()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Output\+Data\+Type\& Delta (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the detla. Definition at line 137 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_ad6601342d560219ce951d554e69e5e87}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Delta@{Delta}} \index{Delta@{Delta}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Delta()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Output\+Data\+Type\& Delta (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the delta. Definition at line 139 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a9f4103707f4d199ce5594d239b60443e}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Deterministic@{Deterministic}} \index{Deterministic@{Deterministic}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Deterministic()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily bool Deterministic (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the value of the deterministic parameter. Definition at line 169 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a42d4ee3da432cff20d3a41b8b1ec801c}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Deterministic@{Deterministic}} \index{Deterministic@{Deterministic}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Deterministic()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily bool\& Deterministic (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the value of the deterministic parameter. Definition at line 171 of file glimpse.\+hpp. References Mean\+Pooling\+Rule\+::\+Pooling(), and Mean\+Pooling\+Rule\+::\+Unpooling(). \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a461f849bc638c15bec262dc9c3a58abe}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Forward@{Forward}} \index{Forward@{Forward}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Forward()} {\footnotesize\ttfamily void Forward (\begin{DoxyParamCaption}\item[{const arma\+::\+Mat$<$ eT $>$ \&}]{input, }\item[{arma\+::\+Mat$<$ eT $>$ \&}]{output }\end{DoxyParamCaption})} Ordinary feed forward pass of the glimpse layer. \begin{DoxyParams}{Parameters} {\em input} & Input data used for evaluating the specified function. \\ \hline {\em output} & Resulting output activation. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1ann_1_1Glimpse_afb3fd4ed60dd057e7852221b89206f15}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Input\+Height@{Input\+Height}} \index{Input\+Height@{Input\+Height}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Input\+Height()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily size\+\_\+t const\& Input\+Height (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the input height. Definition at line 154 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_aefbba724eec397a928d5460bb209a360}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Input\+Height@{Input\+Height}} \index{Input\+Height@{Input\+Height}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Input\+Height()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily size\+\_\+t\& Input\+Height (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the input height. Definition at line 156 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a29346e3064da8f9e5f10596bedae0ba8}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Input\+Width@{Input\+Width}} \index{Input\+Width@{Input\+Width}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Input\+Width()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily size\+\_\+t const\& Input\+Width (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the input width. Definition at line 149 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a238e9d308df611a9300a4ca6756fef4d}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Input\+Width@{Input\+Width}} \index{Input\+Width@{Input\+Width}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Input\+Width()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily size\+\_\+t\& Input\+Width (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify input the width. Definition at line 151 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a8f32d484de0d3abca25a1aa77a7ab855}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Location@{Location}} \index{Location@{Location}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Location()} {\footnotesize\ttfamily void Location (\begin{DoxyParamCaption}\item[{const arma\+::mat \&}]{location }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Set the locationthe x and y coordinate of the center of the output glimpse. Definition at line 143 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a5ad7dbcaf1a622dafd897f79ab77890c}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Height@{Output\+Height}} \index{Output\+Height@{Output\+Height}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Height()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily size\+\_\+t const\& Output\+Height (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the output height. Definition at line 164 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_ac5112abf9f5e1face13ed965a8755b1d}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Height@{Output\+Height}} \index{Output\+Height@{Output\+Height}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Height()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily size\+\_\+t\& Output\+Height (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the output height. Definition at line 166 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a8bae962cc603d1cab8d80ec78f8d505d}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Parameter@{Output\+Parameter}} \index{Output\+Parameter@{Output\+Parameter}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Parameter()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Output\+Data\+Type\& Output\+Parameter (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the output parameter. Definition at line 132 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a21d5f745f02c709625a4ee0907f004a5}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Parameter@{Output\+Parameter}} \index{Output\+Parameter@{Output\+Parameter}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Parameter()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Output\+Data\+Type\& Output\+Parameter (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the output parameter. Definition at line 134 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a32b3e3fe787456847fc3b2c39586ecb1}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Width@{Output\+Width}} \index{Output\+Width@{Output\+Width}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Width()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily size\+\_\+t const\& Output\+Width (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the output width. Definition at line 159 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_a54579ec9924e2a4a5bc0a4fb822ce80c}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!Output\+Width@{Output\+Width}} \index{Output\+Width@{Output\+Width}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{Output\+Width()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily size\+\_\+t\& Output\+Width (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the output width. Definition at line 161 of file glimpse.\+hpp. \mbox{\label{classmlpack_1_1ann_1_1Glimpse_af0dd9205158ccf7bcfcd8ff81f79c927}} \index{mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}!serialize@{serialize}} \index{serialize@{serialize}!mlpack\+::ann\+::\+Glimpse@{mlpack\+::ann\+::\+Glimpse}} \subsubsection{serialize()} {\footnotesize\ttfamily void serialize (\begin{DoxyParamCaption}\item[{Archive \&}]{ar, }\item[{const unsigned}]{int }\end{DoxyParamCaption})} Serialize the layer. The documentation for this class was generated from the following file\+:\begin{DoxyCompactItemize} \item /var/www/mlpack.\+ratml.\+org/mlpack.\+org/\+\_\+src/mlpack-\/3.\+3.\+1/src/mlpack/methods/ann/layer/\textbf{ glimpse.\+hpp}\end{DoxyCompactItemize}