B. Handheld Devices
With the evolution of technology, handheld devices have
emerged with high computational capacity, equipped with
high-quality color displays, high resolution digital cameras,
and real-time hardware-accelerated 3D graphics [25]. They
also integrate additional sophisticated sensors like accelerometer
and GPS. Therefore, it is possible to see that, with such
characteristics, these devices could be one of the main platforms
in the development and commercialization of augmented
reality applications.
”ARhrrrr” [18] is an augmented reality shooter for mobile
camera-phones. The game allows the user to move around a
table and the objective of the player is to kill zombies that
are getting closer to the civilians. ARhrrrr uses video-based
tracking to detect ”skittles”, which may be used as bombs,
and to detect the game table image, which will display the
virtual city. This game has similarities with ARZombie but,
in this case, the player is limited to the movement around a
table. Unlike the ARZombie game (that aims to achieve a good
gameplay by recognizing faces), the player needs to constantly
detect specific 2-D pictures or markers to be able to play and
view all virtual elements.
Another game that revolves around the zombies concept
is the Moxie Mayhem Augmented Reality Game [2]. It uses
markers placed on the head of the players as a form of
interaction. Through these markers, detected with the cameras
of the handheld devices, it is possible to find out if a player is
a zombie or a human being. To play this game all the players
(regardless of whether they are zombies or not) need to put
QRCodes on their heads, as opposed to the ARZombie game,
which is able to just capture and store images from the players
that belong to the zombies’ group.
Due to the ubiquitous use of mobile devices (smartphones
and tablets) and the characteristics of this type of equipment,
it becomes easier to implement augmented reality games in
real environments [27]. However, it is necessary to solve
some challenges, especially in relation to the interaction with
computer generated virtual objects
B. Handheld DevicesWith the evolution of technology, handheld devices haveemerged with high computational capacity, equipped withhigh-quality color displays, high resolution digital cameras,and real-time hardware-accelerated 3D graphics [25]. Theyalso integrate additional sophisticated sensors like accelerometerand GPS. Therefore, it is possible to see that, with suchcharacteristics, these devices could be one of the main platformsin the development and commercialization of augmentedreality applications.”ARhrrrr” [18] is an augmented reality shooter for mobilecamera-phones. The game allows the user to move around atable and the objective of the player is to kill zombies thatare getting closer to the civilians. ARhrrrr uses video-basedtracking to detect ”skittles”, which may be used as bombs,and to detect the game table image, which will display thevirtual city. This game has similarities with ARZombie but,in this case, the player is limited to the movement around atable. Unlike the ARZombie game (that aims to achieve a goodgameplay by recognizing faces), the player needs to constantlydetect specific 2-D pictures or markers to be able to play andview all virtual elements.Another game that revolves around the zombies conceptis the Moxie Mayhem Augmented Reality Game [2]. It usesmarkers placed on the head of the players as a form ofinteraction. Through these markers, detected with the camerasof the handheld devices, it is possible to find out if a player isa zombie or a human being. To play this game all the players(regardless of whether they are zombies or not) need to putQRCodes on their heads, as opposed to the ARZombie game,which is able to just capture and store images from the playersthat belong to the zombies’ group.Due to the ubiquitous use of mobile devices (smartphonesand tablets) and the characteristics of this type of equipment,it becomes easier to implement augmented reality games inreal environments [27]. However, it is necessary to solvesome challenges, especially in relation to the interaction withcomputer generated virtual objects
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