Virtual Environments Including

yardbellΤεχνίτη Νοημοσύνη και Ρομποτική

14 Νοε 2013 (πριν από 3 χρόνια και 10 μήνες)

61 εμφανίσεις

Virtual Environments


Including
Virtual Reality

Virtual Environments


Virtual reality


Augmented reality


Situational awareness

Virtual Reality


Examples


Architecture


actually walk into building
and look around (instead of more traditional
direct manipulation looking at it from
various directions and perspectives)


Possible
-

medicine


On the boundary


real flight simulator

Example:

Firefighter Training


This system will simulate the progress of a fire in a single family
dwelling



will respond to actions made by the user to rescue occupants and
put the fire out.


The user of the VE will be a Fire Company Officer being trained
or evaluated for his/her skills at commanding a fire crew.


In the VE, the user will speak commands that are translated by an
operator into a predetermined animation sequence in the virtual
environment.


As the fire company officer issues commands, the virtual fire crew
will go through animations reflecting these commands,


fire burns in response to virtual crew actions.

Example:

Meditation Chamber



The goal of this research is design and build an
immersive virtual environment that uses visual, audio,
and tactile cues to create, guide, and maintain a
patient's guided relaxation and meditation
experience.




The use of meditation and guided imagery is well
established as helpful in the treatment and prevention
of a number of diseases



The possibility of increasing the effectiveness and
repeatability of this type of therapy



This project is aimed at creating a working prototype
of this system


Example:

Virtual Geographic
Information System


VGIS (Virtual Geographic Information System) is a
large, multifaceted project to allow navigation of and
interaction with very large and high resolution,
dynamically changing databases while retaining real
-
time display and interaction.



The system allows users to navigate accurate
geographies with sustained frame rates of 15
-
20
frames per second.


The user can not only see these terrains from any
viewing angle but also buildings, roads, high
resolution imagery draped on the terrain, and other
features








Example:

Virtual Reality
Phobia Therapy



Virtual Reality Exposure involves
exposing the patient to a virtual
environment containing the feared
stimulus in place of taking the patient
into a real environment or having the
patient imagine the stimulus, which is
what traditional exposure therapy
usually involves.

Example:

Helping Burn
Patients Cope with Pain


using immersive VR for pain control (in addition to pain
medicine).


Their first virtual world used was SpiderWorld. Spiderworld
was originally designed to
treat spider phobics
, but has also
proved quite distracting for burn patients.


now developing several new virtual environments
specifically designed for treating pain (e.g., especially
attention
-
grabbing virtual environments).


SnowWorld has been developed with support from the Paul
Allen Foundation for Medical Research.


Patients fly through an icy canyon with a river and frigid
waterfall. Patients shoot snowballs at snowmen and igloos
(with animated impacts).


Since patients often report re
-
living their original burn
experience during wound care, SnowWorld was designed to
help put out the fire.

Example:
Virtual Gorilla Exhibit




being developed to explore techniques
for using Virtual Reality to present
information to users experientially that
would otherwise be difficult for them to
learn.


Based upon actual data from the Zoo
Atlanta gorilla exhibit,


modeling an environment where the user
can explore areas that are normally off
limits to the casual visitor.

Virtual Reality Headgear

(1999)

Alternative to Headgear

Exploring using the CAVE

Virtual Environments


Successful virtual environments depend on the
smooth integration of:


Visual Display


Head position sensing


Hand
-
position sensing


Force feedback


Sound input and output


Other sensations


Cooperative and competitive virtual reality

1. Virtual Retinal Display (VRD)

2. Shared Space

3. Learning in Virtual Environments

4. PAIN MAN

5. Virtual Motion Controller

6. Interactive VRD

7. Virtual Pilot

8. Greenspace

9. Virtual Chess

10. Starship

11. New Media

11. Expert Surgical Assistant

13. Tactile Augmentation

13. Geoscientific Visualization

13. Motion Sickness

16. FLIGHT

17. Blocksmith

18. SS Working Group

19. Parkinson's Project

20. SS Working Group

21. Driving Simulator

22. Two
-
Handed User Interface

22. Motion Sickness

24. Wearable Interfaces

25. Virtual Classroom

26. Situation Awareness

27. CEDeS Lab

27. Endoscopic Surgery Simulator

27. Virtual Playground

27. Virtual Reality Toolkit


31. Engineering Study of an Endoscope Design

31. Virtual Mirrors

31. Starship

31. Human
-
Computer Symbiote

31. Virtual Chess

36. 4d mouse

36. collaborative mixed reality

36. VR Interaction Techniques

39. Collaboration through Wearables

39. Phobia Desensitization

41. VRD

41. architecture and virtual reality

41. Multimodal Interfaces

41. situation awareness

41. Medical Robotic Interfaces

46. VRD Emulator

46. laparoscopic surgical simulator

48. Flicker Sensitivity

48. knowledge base project

48. /

48. self
-
motion perception

52. Design for a Low Vision Aid

52. PRISM

54. LIMIT

54. Interface Sickness

54. design for a low vision aid using a scanned
laser display

57. visual
-
inertial nulling: cross
-
over asymmetry

57. design for a low vision aid

57. Measures for Presence

60. functional effects of refractive surgery on
driving performance

U Washington Virtual Reality Projects

Progress on Visual Display


The Virtual Retinal Display (VRD) team has been focused
on developing improvements to the current prototype
systems and on creating the parts needed for future
prototypes. The VRD, based on the concept of

scanning
an image directly on the retina of the viewer's
eye,
was invented at the HIT Lab in 1991. The
development program began in November 1993 with the

goal of producing a full color, wide field
-
of
-
view, high resolution, high brightness, low
cost virtual display.



http://www.hitl.washington.edu/research/vrd/project.html

Progress on Movement Sensing


For some applications, a hands
-
free, body
-
operated
walking interface is ideal;


the UW HIT Lab has been developing prototypes of
"sufficient
-
motion" interfaces, which allow the user to
interact by using a subset of the real
-
world kinesthetic
inputs.


Though the ranges of motion are less than full, these inputs
are sufficient to convince the user that he or she is moving
in the virtual world.


Development of these interface devices is called the Virtual
Motion Controller (VMC) Project.



Virtual Motion Controller



The HIT Lab's VMC working
prototype measures body position
over the working surface with an
arrangement of four weight sensors




The curved working surface provides
important feedback to the user about
his or her physical location, and
therefore body locomotion input to
the device.

Progress on Cooperative
Augmented Reality


The Shared Space interface demonstrates how
augmented
reality
, the overlaying of virtual objects on the real world, can
radically enhance face
-
to
-
face and remote
collaboration
.


For remote collaboration, system allows life
-
sized live virtual
video images of remote user to be overlaid on the local real
environment, supporting spatial cues and removing the need to
be physically present at a desktop machine to conference.


computer vision techniques are used to precisely register virtual
images with physical objects, extending the currently popular
"Tangible Interface" metaphor.


work in the context of a collaborative card
-
game application that
allows face
-
to
-
face and remote users to collaboratively interact
with each other and virtual animations.


http://www.hitl.washington.edu/research/shared_space/

Science Fiction?


Most of this stuff won’t be in an office
near you next year …


But the future comes quickly in computer
science !

End Virtual Environments