Advantages of each Method
Method
Ext Ratio
Active
>100:1
Passive
>250:1
Linear
Passive
>100:1
Circular
Passive
>1000:1
®
Infitec
3AUG2005
Head
Screen
movement
invariant
Invariant
Strong
Polarizing
Required
Invariant
Polarizing
Required
Invariant
Invariant
Rod Sterling Siggraph2005
Glasses
other
Cost
high
batteries
Low
Mid
High
Efficiency
Mid
Need
color
correction
9