ocelot project, ow2con11, nov 24-25, paris

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

OCELOT: Interactive Multimedia and Augmented Reality for Tele-EngineeringBenjamin Jailly, Télécom Saint-Étienne

The Open Collaborative Environment for the Leverage of Online insTrumentation is a framework to ease control of online devices using interactive multimedia and augmented reality.

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

● Context of online laboratories– Online labs– Problems

● Architecture– Client : interactive and collaborative multimedia– Middleware : JOnAS as Application Server– Driver : interoperability with IVI devices

● Ongoing works and evolutions

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

4 kind of laboratories

● Local labs● Virtual labs● Remote labs● Hybrid labs

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Local labs

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OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Virtual labs

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OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Remote labs

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OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Hybrid labs

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OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Primary reasons

● Independant from geographical constraints● Financial costs

– Sharing devices of high costs

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

But not only

● Limited number of people in the same room● Security● Availability● Collaboration● Computer assisted labs

– Follow up of students for e-education,– Adaptive maintenance, …

● ...

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Actors

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Cons

● Development is time consuming● Lack of reusable framework for non-

programmers, few collaborative● Lack of faithfulness of the representation of the

device to control

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

● Context of online laboratories– Online labs– Problems

● Architecture– Client : interactive and collaborative multimedia– Middleware : JOnAS in action– Driver : interoperability with IVI compliant devices

● Ongoing works and evolutions

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Approaches

● Mixte interaction

● Exclusive application

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Interactive multimedia

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

MPEG-4 Binary Format for Scenes

● Scene descriptor in the MPEG Standard● Scene representation as a hierachical tree● Efficient compression of the scene● Multiplexing in the mp4 format● Possibility to embed ECMAScript

● BIFS Player : Osmo4 (GPAC project)

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Multimedia delivery

● Automatic identification of the device in the Processing Block to adapt multimedia content delivered to the client

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Authoring tool

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Middleware : JOnAS as AS

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Drivers

● Interchangeable Virtual Instruments● Classes of devices (Oscilloscopes, Spectrum

Analyzers, Vector Network Analyzers, …)– Interoperability between devices of the same class

● Rohde & Schwarz, National Instrument, Agilent, …

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

OCELOT

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Also working on mobile devices

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

● Context of online laboratories– Online labs– Problems

● Architecture– Client : interactive and collaborative multimedia– Middleware : JOnAS as Application Server– Driver : interoperability with IVI devices

● Ongoing works and evolutions

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

OCELOT

● « Open Collaborative Environment for the Leverage of Online insTrumentation »

● Comes from research project● Incubated in the OW2 Consortium● http://ocelot.ow2.org

● Current state : Alpha 0.1

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Ongoing works : multimedia

● Adapt multimedia depending on user context– CPU, OS, bandwidth, …

● Adapt multimedia depending on procedures– Maintenance procedures

● Support for 3D scenes

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Ongoing works : middleware

● Embed streaming server in the AS– Separated Darwin Streaming Server for now on

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Ongoing works : Drivers

● Driver introspection ● Implement different kind of IVI classes● Open to other use cases

– Interactive IPTV, ...

OW2Con 2011, November 23-24, Orange Labs, Paris.

www.ow2.org.

Any questions ??

● Thank you for your attention !