docs(thesis): add device pictures

docs/thesis/thesis.tex

@@ -28,6 +28,7 @@
 
 \usepackage{algorithm}
 \usepackage{algpseudocode}
+\usepackage{subcaption} % allows multiple figures to share a caption
 
 % Page margins
 \geometry{left=3cm, right=2cm, top=3cm, bottom=2cm}
@@ -347,6 +348,35 @@ Consequently, the following three devices were selected for the study:
         \end{itemize}
 \end{itemize}
 
+A picture of each device is shown in Figure~\ref{fig:withings-devices}.
+
+\begin{figure}[!ht]
+    \begin{center}
+        \begin{subfigure}{.25\textwidth}
+            \centering
+            \includegraphics[width=\linewidth]{./figures/withings-scanwatch.png}
+            \caption{\footnotesize Scanwatch\cite{noauthor_worlds_nodate}}
+            \label{fig:withings-scanwatch}
+        \end{subfigure}
+        \hfill
+        \begin{subfigure}{.25\textwidth}
+            \centering
+            \includegraphics[width=\linewidth]{./figures/withings-bpm-core.png}
+            \caption{\footnotesize BPM Core\cite{noauthor_bpm_nodate}}
+            \label{fig:withings-bpm-core}
+        \end{subfigure}
+        \hfill
+        \begin{subfigure}{.25\textwidth}
+            \centering
+            \includegraphics[width=\linewidth]{./figures/withings-thermo.png}
+            \caption{\footnotesize Thermo\cite{noauthor_smart_nodate}}
+            \label{fig:withings-thermo}
+        \end{subfigure}
+        \caption{Withings smart medical devices}
+        \label{fig:withings-devices}
+    \end{center}
+\end{figure}
+
 Notably, the AVPU score could not be measured, because it typically necessitates a clinical assessment.
 Furthermore, the inclusion of the Withings Scanwatch came with a notable limitation.
 Although the device possesses the capability to measure a patient's respiration rate, this functionality is restricted to nocturnal measurements during sleep.
@@ -441,7 +471,8 @@ Considering the time constraints, this approach proved to be an effective compro
 \begin{figure}[!ht]
     \begin{center}
         \includegraphics[width=.75\textwidth]{./figures/components-macro.png}
-        \caption{\label{fig:components-macro}System diagram showing data flow and user interactions between components in the Medwings environment.}
+        \caption{System diagram showing data flow and user interactions between components in the Medwings environment.}
+        \label{fig:components-macro}
     \end{center}
 \end{figure}