Displays and Interaction for Virtual Travel - Human Walking in Virtual Environments - page 153

Fig. 7.9 Marines from 3rd Battalion, 1st Marines, confront avatars, or virtual humans, while clear-
ing a room at the Office of Naval Research Infantry Immersion Trainer. U.S. Navy photo by John
F. Williams from WikiMedia Commons

Table 7.1 Comparison of display technologies

Type Viewing type User own motion Notes

Desktop Through the

window/Low FOV

None (typically) or
very limited
( < 1m)

Usually no head
tracking, user
typically seated

Wall-sized Through the

window/Medium
FOV

None through to
limited ( < 3m)

Commonly a single
person can be
tracked. For a group,
no tracking used

Surround-screen
displays

Partially-fully
surrounding/High
FOV

Limited ( < 3m) to
moderately large
(

Commonly a single
person can be
tracked. For a group,
no tracking used

∼

10 m)

Head-mounted
displays

Fully surrounding/
low-high FOV

None through to
wide area

Single user only

Mobile augmented
reality

Fully surrounding/
FOV of virtual
world limits

None through to
wide area

Tracking quality and
thus registration vary
enormously

Hybrid situated
displays

Fully surrounding/
FOV not applicable

None through to
wide area

Tracking might be
localized to certain
areas of the display