Procedurals Exam Readings Experiments. Virtual Reality as a Communication Medium Define VR, discuss...
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Transcript of Procedurals Exam Readings Experiments. Virtual Reality as a Communication Medium Define VR, discuss...
Procedurals
• Exam
• Readings
• Experiments
Virtual Reality as a Communication Medium
• Define VR, discuss central concepts
• People interacting with virtual people
• Collaborative Virtual Environments
VR in Popular Culture
VR in Popular Culture
VR in the Real World
• Expensive
• Rare
• Clunky
• Poor Fidelity
but…
• Getting Better!
What is VR?
•William Gibson:
‘consensual hallucination’
•Jaron Lanier:
‘new post-symbolic paradigm" which circumvents representation with a direct experience’
Defining VR: Immersion/Presence
Computer-generated environments that give the user the experience of being there
Defining VR: Immersion/Presence
How do you define Presence?
Defining VR: Digital?
Defining VR: Digital?
Defining VR: Tracking and Rendering
Defining VR: Tracking and Rendering
Defining VR: Tracking and Rendering
Defining VR: Virtual Human Representation
Defining VR: Virtual Human Representation
Defining VR: Virtual Human Representation
Immersive Virtual Environment Apparatus (HMD)
Immersive Virtual Environment Apparatus: CAVE
Haptics
Proxemics
• Studied extensively in the social sciences since 1950’s
• Do proxemic patterns hold true with virtual humans?
• Social Presence/Copresence
Sample Proxemics Task
Sample Data
Mutual Gaze Study: Task
Mutual Gaze Study:
Conditions
CONTROL CYLINDER
COND 1 EYES CLOSED
COND 2 EYES OPEN
COND 3 BLINKING
COND 4
BLINKS And
HEAD TURNS
COND 5
BLINKS, HEAD TURNS,
And PUPIL
DILATION
Mutual Gaze Study: Results
Mutual Gaze Study: Results
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0.1
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0.5
Virtual Human Control Pylon
Met
ers
Minimum Distance (Virtual Human vs. Control Condition)
Mutual Gaze Study: Results
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0.1
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0.6
Females Males
Eyes ClosedMutual GazeM
eter
s
Minimum Distance (Gaze by Gender)
Mutual Gaze Study: Results
Virtual Human Representation Study
Independent Variables:
– Subject Gender– Virtual Human Gender– Gaze (eyes closed vs.
mutual gaze)– ‘Soul’ (Agent/Avatar)
Agents
Avatars
Virtual Human Representation: Results
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0.1
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Agent Avatar
Eyes ClosedMutual Gaze
Met
ers
Minimum Distance
Approaching Virtual Human Study
Virtual Human Approach Results
Min
imu
m D
ista
nce
(C
M)
.7
.6
.5
.4
.3
.2
.1
0.0
Stranger
Tutor
Virtual Human Status/Politeness Effects
Collaborative Virtual Environments
Collaborative Virtual Environments
Collaborative Virtual Environments
• Multiple people sharing virtual space
• “Co-presence”, “Tele-Presence”, “Social Presence”
• Perceptually convincing
• No true avatars
• Why not a videoconference?
CVE Apparatus: COCODEX
Police Lineups
Virtual Human Interaction Lab
http://vhil.stanford.edu