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Erwan Normand
2024-08-06 21:38:45 +02:00
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1-introduction/introduction/introduction.tex
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@@ -99,7 +99,7 @@ It thus promises natural and seamless interaction with the physical and digital
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It is technically and conceptually closely related to VR, which replaces the real environment (RE) perception with a virtual environment (VE). It is technically and conceptually closely related to VR, which replaces the real environment (RE) perception with a virtual environment (VE).
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AR and VR can be placed on a reality-virtuality (RV) continuum, as proposed by \textcite{milgram1994taxonomy} and illustrated in \figref{rv-continuum}. AR and VR can be placed on a reality-virtuality (RV) continuum, as proposed by \textcite{milgram1994taxonomy} and illustrated in \figref{rv-continuum}\footnote{On the RV continuum of \textcite{milgram1994taxonomy}, augmented virtuality is also considered, as the incorporation of real objects to a VE, and is placed between AR and VR. For simplicity, we only consider AR and VR in this thesis.}.
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It describes the degree of RV of the environment along an axis, with one end being the RE and the other end being a pure VE, \ie indistinguishable from the real world (such as \emph{The Matrix} movies or the \emph{Holodeck} in the \emph{Star Trek} series). It describes the degree of RV of the environment along an axis, with one end being the RE and the other end being a pure VE, \ie indistinguishable from the real world (such as \emph{The Matrix} movies or the \emph{Holodeck} in the \emph{Star Trek} series).
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@@ -174,7 +174,7 @@ The interactions between the virtual hand and objects are then simulated and ren
Because the visuo-haptic VE is displayed in real time, colocalized and aligned with the real one, the user is given the illustion of directly perceiving and interacting with the virtual content as if it were part of the RE. Because the visuo-haptic VE is displayed in real time, colocalized and aligned with the real one, the user is given the illustion of directly perceiving and interacting with the virtual content as if it were part of the RE.
\fig{interaction-loop}{% \fig{interaction-loop}{%
The interaction loop between a user and a visuo-haptic augmented environment.% The interaction loop between a user and a visuo-haptic augmented environment. %
}[% }[%
One interact with the visual (in blue) and haptic (in red) virtual environment through a virtual hand (in purple) interaction technique that tracks real hand movements and simulates contact with VOs. % One interact with the visual (in blue) and haptic (in red) virtual environment through a virtual hand (in purple) interaction technique that tracks real hand movements and simulates contact with VOs. %
The virtual environment is rendered back to the user colocalized with the real one (in gray) using a visual AR headset and a wearable haptic device. % The virtual environment is rendered back to the user colocalized with the real one (in gray) using a visual AR headset and a wearable haptic device. %
@@ -275,8 +275,8 @@ We consider two main axes of research, each addressing one of the research chall
Our contributions in these two axes are summarized in \figref{contributions}. Our contributions in these two axes are summarized in \figref{contributions}.
\fig[0.95]{contributions}{Summary of our contributions through the simplified interaction loop.}[% \fig[0.95]{contributions}{Summary of our contributions through the simplified interaction loop.}[%
The contributions are represented in dark gray boxes, and the research axes in light green circles.% The contributions are represented in dark gray boxes, and the research axes in light green circles. %
The first (I) axis designs and evaluates the perception of visuo-haptic texture augmentations of tangible surfaces, directly touched by the hand.% The first (I) axis designs and evaluates the perception of visuo-haptic texture augmentations of tangible surfaces, directly touched by the hand. %
The second (II) axis focuses on improving the manipulation of VOs with the bare hand using visuo-haptic augmentations of the hand as interaction feedback.% The second (II) axis focuses on improving the manipulation of VOs with the bare hand using visuo-haptic augmentations of the hand as interaction feedback.%
] ]