JVC DLA-RS4000U - Reference Series 4k Home Cinema Projector Support and Manuals
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Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 1
High Performance Stereoscopic Methods for 3-D Viewing using DILA Projectors
Rod Sterling
JVC North America R&D Center
www.jvcdig.com
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 2
Agenda
• Requirements for Stereoscopic Viewing • Types of Stereoscopic projection • Advantages of each type • Efficiency of each type • JVC Stereoscopic Projection Systems • Credit and thanks
3AUG2005
Rod Sterling Siggraph2005
2
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 4
Lack of projector added artifacts
• Pixel structure • Video noise • Flashing due to frame rate • Black level • Brightness • Color
3AUG2005
Rod Sterling Siggraph2005
4 3-D Stereoscopic Projection
High Fidelity Viewing Requirements
• Key requirements
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Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 6
Requires synchronous shutter glasses
• Passive
- Maybe one or two projectors - Polarization type
• Circular • Linear
- May be one or two projectors - Anaglyphic
• Simple Red/Blue • Infitec®
3AUG2005
Rod Sterling Siggraph2005
6 Types of Stereographic Projection
• Active
-
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 7
Active System
• One projector approach
- Fakespace Beacon system
• Duty cycle Requires 2x frame rates >120Hz - Frame double to eyes
• Active glasses each person • LC Shutter on projector
• Two projector approach
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Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 9
Advantages of each Method
Method Ext Ratio Head
Screen
movement
Glasses Cost
other
Active >100:1 invariant Invariant high batteries
Passive >250:1 Strong Polarizing Low
Linear
Required
Passive >100:1 Invariant Polarizing Mid
High
Circular
Required
Efficiency
Passive Infitec®
>1000:1
Invariant Invariant
3AUG2005
Rod Sterling Siggraph2005
Mid
Need
color
correction
9
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 11
Head movement - Brightness requirements - Cost - Performance requirements
3AUG2005
Rod Sterling Siggraph2005
11 What is the best system
• Most systems are determined by the overall system requirements.
- Ambient conditions - Screen types available -
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 12
Active system using 2 DILA projectors and LC Shutters
3AUG2005
Beacon system Fakespace
Rod Sterling Siggraph2005
12
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 13
Internal broadband circular polarizer
• Extinction ratio >120:1
- Linear option
• Extinction ratio >350:1
3AUG2005
Rod Sterling Siggraph2005
13 HD-2K Circular Polarization
• HD-2K DILA projector
- 1920x1080 native resolution, 92% aperture ratio
- >2000:1 CR
- DVI input
-
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 14
Internal Circular Polarizer
• No external hardware required
• No alignment required • High efficiency, 105% • Can be applied to all
models
3AUG2005
Rod Sterling Siggraph2005
14
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 15
HD-SDI/DVI input - JVC QX1
• QX1 DILA Projector
- 2048x1536 native resolution
- >2500:1 CR - 7000 Lumens - 94% aperture ratio - Internal Infitec® filter
method
• Extinction ratio >1000:1
3AUG2005
Rod Sterling Siggraph2005
15
Stereoscopic Projection using D-ILA projectors--presentation given by JVC scientist Rod Sterling - Page 18
... Filmscreen optical grade screen
3AUG2005
Rod Sterling Siggraph2005
18 QX-1 Projectors (2048x1536) - Black Level >2500:1 - L/R extinction ratio >1000:1 - DILA LCOS, 94% aperture ratio - 96 Hz refresh rate per eye - JVC Stereoscopic Projection
• JVC High Performance Stereoscopic 3-D Stereographic Projection System using DILA
Projectors with Infitec® filters method.
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