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Erwan Normand
2024-09-17 17:27:04 +02:00
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1-introduction/related-work/3-augmented-reality.tex
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\section{Principles and Capabilities of AR} \section{Principles and Capabilities of AR}
\label{augmented_reality} \label{augmented_reality}
The first \AR headset was invented by \textcite{sutherland1968headmounted}: With the technology available at the time, it was already capable of displaying \VOs at a fixed point in space in real time, giving the user the illusion that the content was present in the room (\figref{sutherland1968headmounted}). The first \AR headset was invented by \textcite{sutherland1968headmounted}: With the technology available at the time, it was already capable of displaying \VOs at a fixed point in space in real time, giving the user the illusion that the content was present in the room.
Fixed to the ceiling, the headset displayed a stereoscopic (one image per eye) perspective projection of the virtual content on a transparent screen, taking into account the user's position, and thus already following the interaction loop presented in \figref[introduction]{interaction-loop}. Fixed to the ceiling, the headset displayed a stereoscopic (one image per eye) perspective projection of the virtual content on a transparent screen, taking into account the user's position, and thus already following the interaction loop presented in \figref[introduction]{interaction-loop}.
\begin{subfigs}{sutherland1968headmounted}{Photos of the first \AR system~\cite{sutherland1968headmounted}. }[ %\begin{subfigs}{sutherland1968headmounted}{Photos of the first \AR system~\cite{sutherland1968headmounted}. }[
\item The \AR headset. % \item The \AR headset.
\item Wireframe \ThreeD \VOs were displayed registered in the real environment (as if there were part of it). % \item Wireframe \ThreeD \VOs were displayed registered in the real environment (as if there were part of it).
] % ]
\subfigsheight{45mm} % \subfigsheight{45mm}
\subfig{sutherland1970computer3} % \subfig{sutherland1970computer3}
\subfig{sutherland1970computer2} % \subfig{sutherland1970computer2}
\end{subfigs} %\end{subfigs}
\subsection{What is Augmented Reality?} \subsection{What is Augmented Reality?}