Post on 26-Dec-2015
transcript
Hardware for VRHardware for VRPart 2 of 4Part 2 of 4
Capps, Darken & ZydaCapps, Darken & Zyda
Naval Postgraduate SchoolNaval Postgraduate School
{Capps,Darken,Zyda}@cs.nps.navy.mi{Capps,Darken,Zyda}@cs.nps.navy.mill
Capps, Darken & ZydaCapps, Darken & Zyda
Naval Postgraduate SchoolNaval Postgraduate School
{Capps,Darken,Zyda}@cs.nps.navy.mi{Capps,Darken,Zyda}@cs.nps.navy.mill
3D Stereo Graphics - StereoGraphics Crystal Eyes• An inexpensive alternative to An inexpensive alternative to
HMDs or other types of displays HMDs or other types of displays is to produce a stereo image on is to produce a stereo image on the workstation screen and view the workstation screen and view it via stereo glasses. it via stereo glasses.
• This is a similar approach to 3D This is a similar approach to 3D movies.movies.
• http://www.stereographics.comhttp://www.stereographics.com
• An inexpensive alternative to An inexpensive alternative to HMDs or other types of displays HMDs or other types of displays is to produce a stereo image on is to produce a stereo image on the workstation screen and view the workstation screen and view it via stereo glasses. it via stereo glasses.
• This is a similar approach to 3D This is a similar approach to 3D movies.movies.
• http://www.stereographics.comhttp://www.stereographics.com
Immersadesk• Going a step further, many applications demand a Going a step further, many applications demand a
bigger workspace than is offered by a 20” desktop bigger workspace than is offered by a 20” desktop monitor.monitor.
• Desktop monitors usually stand upright, Desktop monitors usually stand upright, perpendicular to the table surface. perpendicular to the table surface.
• Many people thought that it would be useful to Many people thought that it would be useful to produce a flat, or near flat, 3D workspace using produce a flat, or near flat, 3D workspace using stereo glasses.stereo glasses.
• Going a step further, many applications demand a Going a step further, many applications demand a bigger workspace than is offered by a 20” desktop bigger workspace than is offered by a 20” desktop monitor.monitor.
• Desktop monitors usually stand upright, Desktop monitors usually stand upright, perpendicular to the table surface. perpendicular to the table surface.
• Many people thought that it would be useful to Many people thought that it would be useful to produce a flat, or near flat, 3D workspace using produce a flat, or near flat, 3D workspace using stereo glasses.stereo glasses.
Immersadesk
http://www.fakespace.com/new_pro.html?http://www.fakespace.com/new_pro.html?http://www.fakespace.com/new_pro.html?http://www.fakespace.com/new_pro.html?
Virtual Workbench• http://www.evl.uic.edu/EVL/VR/http://www.evl.uic.edu/EVL/VR/
systems.htmlsystems.html
• http://www.evl.uic.edu/EVL/VR/http://www.evl.uic.edu/EVL/VR/systems.htmlsystems.html
CAVE - WISE (Walk-in Synthetic Environment)• Developed at the University of Illinois at Chicago (C. Developed at the University of Illinois at Chicago (C.
Cruz-Neira), the CAVE uses several projection Cruz-Neira), the CAVE uses several projection screens on the walls and floor in place of an HMD.screens on the walls and floor in place of an HMD.
• Many people can experience the environment Many people can experience the environment simultaneously.simultaneously.
• At present, only one can be tracked so others see a At present, only one can be tracked so others see a distorted image.distorted image.
• Developed at the University of Illinois at Chicago (C. Developed at the University of Illinois at Chicago (C. Cruz-Neira), the CAVE uses several projection Cruz-Neira), the CAVE uses several projection screens on the walls and floor in place of an HMD.screens on the walls and floor in place of an HMD.
• Many people can experience the environment Many people can experience the environment simultaneously.simultaneously.
• At present, only one can be tracked so others see a At present, only one can be tracked so others see a distorted image.distorted image.
University of Tokyo - CABIN System
A derivative of the CAVE ...A derivative of the CAVE ...A derivative of the CAVE ...A derivative of the CAVE ...
Hand Devices• Hand worn devicesHand worn devices
– DatagloveDataglove
– CybergloveCyberglove
– PowerglovePowerglove
• Hand held devicesHand held devices
– Flying mouseFlying mouse
– WandWand
• Hand worn devicesHand worn devices
– DatagloveDataglove
– CybergloveCyberglove
– PowerglovePowerglove
• Hand held devicesHand held devices
– Flying mouseFlying mouse
– WandWand
• Hand manipulated Hand manipulated devicesdevices
– SpaceballSpaceball
– JoystickJoystick
• Hand manipulated Hand manipulated devicesdevices
– SpaceballSpaceball
– JoystickJoystick
The VPL Dataglove
The first hand worn deviceThe first hand worn device
Fiber opticFiber optic
Frequent calibrationFrequent calibration
Patents now owned by Patents now owned by Sun?Sun?
The first hand worn deviceThe first hand worn device
Fiber opticFiber optic
Frequent calibrationFrequent calibration
Patents now owned by Patents now owned by Sun?Sun?
Virtual Technologies Cyberglove• Stress sensors Stress sensors
instead of fiber instead of fiber opticsoptics
• More degrees of More degrees of freedomfreedom
• Less noise and Less noise and calibration problemscalibration problems
• Stress sensors Stress sensors instead of fiber instead of fiber opticsoptics
• More degrees of More degrees of freedomfreedom
• Less noise and Less noise and calibration problemscalibration problems
Virtual Technologies Cyberglove• http://www.virtex.com/~virtex/http://www.virtex.com/~virtex/• http://www.virtex.com/~virtex/http://www.virtex.com/~virtex/
The Powerglove - Abrams Gentile Entertainment Inc• http://www.cms.dmu.ac.uk/~cph/pg2.htmlhttp://www.cms.dmu.ac.uk/~cph/pg2.html• http://www.cms.dmu.ac.uk/~cph/pg2.htmlhttp://www.cms.dmu.ac.uk/~cph/pg2.html