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.

CAVE -http://www.evl.uic.edu/EVL/VR/systems.html#CAVE

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

The Powerglove - Abrams Gentile Entertainment Inc

The Exos Dexterous Hand Master