3DTV Technologies 3DTV Technologies
SUBMITTED BY
Ashish sharma
26 April 2006 2
Presentation Overview
•Introduction to 3DTV project
•Introduction and Historical Overview
•Technical Overview of Integrated 3DTV
•Capture
•Representation
•Transmission
•Signal Processing
•Display
•Applications
•Conclusion
INTRODUCTION
26 April 2006 3
• 3D PROTOTYPE SYSTEMWITH REAL TIME ACQUISITION,TRANSMISSION,3D DISPLAY OF DYNAMIC SCENE•ARRAY OF CAMERA AND MULTIPROJECTED 3D DISPLAY • HIGH RESOLUTION (1024*768) STEROSCOPIC COLOUR IMAGEACHIVE GOOD QUALITY OF IMAGE
26 April 2006 4
3DTV Historical Overview
•3D counterparts are almost as old as 2D
•Stereoscopic 3D pictures – 1838 (Wheatsone)
•Popular by 1844 in USA and Europe
•2D Photography - 1839
26 April 2006 A
3DTV Historical Overview
•3D counterparts are almost as old as 2D (continued)
•2D Movies – 1867 (Lincoln)
•3D stereoscopic cinema – early 1900
•2D TV – 1920 (Belin and Baird)
•Stereoscopic 3DTV – 1920 (Baird)
•Stereoscopic 3D cinema was popular by 1950s
•Stereoscopic 3DTV broadcast – 1953
•First commercial 3DTV broadcast – 1980s
26 April 2006 6
3DTV Project -Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 7
3DTV Project - Technical Overview - Capture
• Multi-camera• Single Camera• Holographic• Human Face and Body Specific• Pattern Projection• Other
26 April 2006 8
3DTV Project -Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 9
3DTV Project -Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 10
3DTV Project – Technical Overview-3D Coding
•3D Coding Techniques:•Holographic Signal Compression•Multiview Video Coding•Object-based coding•3D Mesh compression•Dynamic Texture Coding•Multiple Description Schemes•Interactivity Issues•Lightfield Compression•Point-cloud Compression•MPEG4-AFX, BIFS•Interactivity Issues•Compound Bit-stream Syntax•Security and Rights Management
26 April 2006 11
3DTV – Standardization Activities
•Current Standardization Activities in 3DTV•MPEG4-3DAV
•Multiview Coding
26 April 2006 A 12
3DTV Project -Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 13
3DTV Project–Technical Overview - Transport Techniques for 3DTV
– Media Transport over IP networks• QoS Controls
– Protocols• Media Synchronization• RTP• DCCP• H.264 over RTP
– Loss Concealment Techniques– Channel Coding Issues– Mobile 3DTV Applications
26 April 2006 14
3DTV Project Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 A 15
Review Mtg – Technical Overview - Signal Processing Issues
• Modeling of Diffraction from a Systems Point of View
• Forward and Inverse Problems in Holographic 3DTV
• Signal Processing Problems in Different 3DTV Techniques– Holographic 3DTV– Stereoscopic TV– Integral Imaging– Hybrid Techniques– SAR techniques
26 April 2006 16
3DTV Project -Technical Overview
3D Scene
Its Replica
Capture Representation Coding
Signal Conversion
DisplayTransmission
26 April 2006 17
3DTV Project – Technical Overview – Display Techniques
– Holographic Displays•SLMs•DMDs•Acousto-optic Modulators
– Stereoscopic Displays– Autostereoscopic Displays– Volumetric– Pseudo-volumetric– Head-mount displays
26 April 2006 © 18
3DTV Review Mtg – Technical Overview - Display Techniques
• Autostereoscopic Displays (cont’d):– Pseudo-volumetric FogScreen
A
3DTV Review Mtg – Technical Overview - Display Techniques
20
26 April 2006 21
3DTV Technologies – Other Applications
•Education, Training and Simulation•Scientific Simulation and Visualization•Medicine and Dentistry•Cultural Heritage•Technical Applications•Market Applications•Telepresence•Entertainment and Game Industry•Air Traffic Control•Military•Security•Communications •Computers
26 April 2006 Levent Onural --- www.3dtv-research.org © Copyright 2006
22
23
FUTURE WORK
2D TV-Display
Autostereoscopic Display
Shutter-Glases
Anaglyph
24
a) Stereo Disparity Test
Distance of Stereo Disparity is changed according to “distance from Viewer to
Screen” or “Display Device Screen Size or TV/Monitor Inch Size”.
VG-870A/B can set this distance at 1 pixel step as desired. Left Frame Right Frame
Stereo Disparity
3D Camera
3) Test Patterns
25
3D TV/Monitor Market
3D Games with 120Hz Monitor and Shutter Glasses from Nvidia
3D Digital Cinema and Contents
3D TV and 3D BD Player (Panasonic)
31 march 26
Thank you....