a content adaptation approach for on-line 3d persistent universes on various networks and terminals...

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A Content Adaptation Approach for On-Line A Content Adaptation Approach for On-Line 3D Persistent Universes on Various 3D Persistent Universes on Various Networks and Terminals Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut National des Télécommunications, Groupe des Ecoles de Télécommunications

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Page 1: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

A Content Adaptation Approach for On-LineA Content Adaptation Approach for On-Line

3D Persistent Universes on Various Networks and 3D Persistent Universes on Various Networks and

TerminalsTerminals

presented by

Marius PREDA

ARTEMIS Department, Institut National des Télécommunications,

Groupe des Ecoles de Télécommunications

Page 2: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

The OLGA projectThe OLGA project

A unified scalable framework forOn-Line GAming

Goal: create technology to enable roaming of 3D games on a variety of terminals & networks

Stress: scalable (hence adaptable) standardised 4D textured content

Page 3: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

On-line games todayOn-line games today

Player 1 Player 2

Send (xP1, yP1)

Only players positions are transmittedOnly players positions are transmitted

Move Right

Page 4: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

The OLGA visionThe OLGA vision

Player 1 Player 2

Send (xP1, yP1)

OLGA Requirement 1: Players positions are transmitted, but also contentOLGA Requirement 1: Players positions are transmitted, but also content

Move

Load Object

Send (Object)

Page 5: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

The OLGA visionThe OLGA vision

Player 1 Player n

Send (xP1, yP1)

OLGA Requirement 2: Any terminal should be used to play the gameOLGA Requirement 2: Any terminal should be used to play the game

Move

Load Object

Send (Object)

Page 6: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

The main visionThe main vision

Same object, but adapted

Page 7: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

Context: Current Multimedia WorldContext: Current Multimedia World

Fragmented value chain

INTEROPERABILITY NEEDED!!!

Authoringtools

Capturingdevices

HW/SWproviders

IPRholders

Production

Providers

Networks

Servicescenarios

Transmission

Playbackdevices

Terminalmanufacturers

End users

Consumption

Page 8: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

OLGA “philosophy”OLGA “philosophy”

Create 3D Graphics Assets once (by artists but also by players)

Add them to the virtual world, in a standard format

Distribute them on different kind of networks and terminals

Intelligently adapt the content

Use standards

Page 9: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

3D Graphics AssetsStreamer

(mesh, texture, anim.)

3D Graphics AssetsSimplification

(mesh, texture, anim.) 100%50%

20%

Transcoding

Transmoding

MP4 Exporterand

Compression

3DSMax plug-in

3D Graphics AssetsManagement

(on-line) Web based platform

Production Transmission Consumption

3D Graphics AssetsDecoders

and Rendering

Symbian and PC

OLGA “philosophy”OLGA “philosophy”

Page 10: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

Create 3D objects once …Create 3D objects once …

MPEG-4 Objects + metadata

Page 11: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

… … add them to the game world …add them to the game world …

Upload

Store in GCS

Add ID to the game world

Page 12: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

… … distribute them in games everywhere!distribute them in games everywhere!

On CP terminal

On PC terminal

Page 13: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

GOAL GOAL

Same user experienceSame user experience

On CP terminal

On PC terminal

Page 14: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

GOALGOAL

Same user experienceSame user experience

On CP terminalOn PC terminal

Page 15: A Content Adaptation Approach for On-Line 3D Persistent Universes on Various Networks and Terminals presented by Marius PREDA ARTEMIS Department, Institut

GOALGOAL

DemoDemo