motion gaming by brijesh valera
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Motion
GamingGames are no longerabout punching keys
By Brijesh Valera
Ahmedabad University
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What's in it?
New generation gaming experience
Beyond High-end visuals and makes game
play real by facilitating PHYSICALinvolvement
Offers reality experience
Player feels fully involved through physical
gestures & movements
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Motion Capture
TechnologyProcess of recording movement andtranslating that movement onto a Digitalmodel.
Used in Military, Entertainment, sports,medical applications and for robotics.
Also in Film-making, It refers to recording
actions of human actors and using thatinformation to animate Digital charactermodels in 2D or 3D computer animation.
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Motion Capture System
Where actor is performing and the motioncapture system can capture the props aswell as actors performance.
A computer processes the data anddisplays the movements of the actor,providing the desired camera positions.
Camera movements and stage driven byCamera Operator (having main roll inthat).
Having 200 or more cameras.
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How to catch that Motion?
Here, Performer wears markers near eachjoint to identify the motion by the positions.
Markers can be : LED Marker, Magnetic orReflective or Combination of these all.
But, this is all terms of making digitalcharacters and with giving realityexperience.
You have enjoyed it in the movie AVTAR.
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Motion Capturing
Click to edit Master text stylesSecond level Third level Fourth level Fifth level
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Devices in Motion Gaming
Motion sensing MEMS such as :
Accelerometer
Gyroscope
Magnetometer
This all are fully involved in any Motioncontrollers & Game pads.
The combination of MEMS and gamingsoftware can create an experience where theuser feels that he/she is a part of the game.
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Motion Sensing MEMS
Accelerometer will detect linearacceleration. So it provide signal aboutmovements in all dimensions.
Gyroscope will detect angularacceleration and can provide accurateinformation about tilt, turn, rotation ormovements around an axis- even vertical
axis.
Magnetometer uses the earths magneticfield to a implement a compass ordirections into games.
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Turn to Motion Gaming
ConsolesIdea of using accelerometer as the userinterface in mainstream gaming was takenby Nintendo Wii consoles controller.
Wiimote, which resembles a remote andhas a three-axis accelerometer andgyroscopes to detect motion.
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Motion Gaming Market
The console gaming market is mainlycovered by
Microsoft Xbox Nintendo Wii
Sony PlayStation
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Wii Remote
"Wiimote", is the primary controller forNintendos Wii console.
Motion sensing capability, which allowsthe user to interact with and manipulateitems on screen via gesture recognitionand pointing through the use ofaccelerometer and optical sensor
technology.
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How Wii mote works?
Using Motion Sensing Technology
Mainly using Accelerometer is measuring
the strength and forces applied on WiiRemote
Uses Data converter, converts that analogforces into digital data
And for measuring direction moves, thereis a Sensor Bar
How..? I have a video for that.
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Wiis Popular Games
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PlayStation Move
Is a motion-sensing game controllerplatform for the PlayStation 3 (PS3) videogame console by Sony Computer
Entertainment (SCE).
PlayStation Move uses the PlayStation Eyecamera to track the wands position andinertial sensors in the wand to detect its
motion.
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PlayStation Eye
Is a digital camera device, similar to awebcam, for the PlayStation 3.
The technology uses computer vision andgesture recognition to process imagestaken by the camera. This allows playersto interact with games using motion andcolour detection as well as sound through
its built-in microphone array.
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PlayStation Eye
Is capable of capturing standard videowith frame rates of 60 hertz at a 640480pixel resolution, and 120 hertz at 320240
pixels, which is "four times the resolution"and "two times the frame-rate thanEyeToy.
Has "two times the sensitivity" of the
EyeToy
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What is with Move?
Inertial sensors built into it, including anaccelerometer and a gyroscope that sensemotion on three axes.
They have added the illuminated ball onthe end of the controller and the cameraperipheral to help the system trackcontroller movement better.
The ball colour could be changed toidentify player 1 from player 2, 3, or 4.
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How they work?
Sensors inside the controller, a three-axislinear accelerometer and a three-axisangular rate sensor (Gyroscope), are used
to track rotation as well as overall motion.
Magnetometer is also used for calibratingthe controller's orientation against theEarth's magnetic field to help correct
against cumulative error (drift) by theinertial sensors.
Inertial sensors can be used for deadreckoning in cases which the camera
tracking is insufficient.
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Moves Popular Games
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Microsoft Kinect
Kinect (originally known by the codename Project Natal), is a "controller-freegaming and entertainment experience" by
Microsoft for the Xbox 360 video gameplatform, and may later be supported byPCs via Windows 8.
Provides full-body 3D motion capture,
gesture recognition, facial recognition andvoice recognition capabilities.
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How it works?
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How it works?
The Kinect sensor's microphone arrayenables the Xbox 360 to conduct Activenoise control, allowing for things such as
headset-free party chat over Xbox Live.
The depth sensor consists of an infraredlaser projector combined with amonochrome CMOS sensor, and allows the
Kinect sensor to see in 3D under anyambient light conditions.
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How it works?
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Time 2 experience it..!!!
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References
playstation.com
howstuffworks.com
Xbox.com
Expresscomputeronline.com
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ThankYou
Brijesh Valera
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