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Smart Camera for MPEG-7

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MPEG-7 Description of Generic Video Objects for Scene Reconstruction

Touradj Ebrahimi

We present an MPEG7 compliant description of generic video sequences aiming at their scalable transmission and reconstruction. The proposed method allows efficient and flexible video coding while keeping the advantages of textual descriptions in database ...

SPIE2002

AMISP: A Complete Content-Based MPEG-2 Error-Resilient Scheme

Pascal Frossard

We address a new error-resilient scheme for broadcast quality MPEG-2 video streams to be transmitted over lossy packet networks. A new scene-complexity adaptive mechanism, namely Adaptive MPEG-2 Information Structuring (AMIS) is introduced. AMIS modulates ...

2001

A virtual model for simulation and design of architectures in MPEG-4 audio and multimedia context

Giorgio Zoia

Research in multimedia for consumer electronics is dominated by the problem of incredibly short times-to-market, that means fast complexity estimations and fast design of new architectures. On one side more and more sophisticated and flexible applications ...

EPFL2001

Joint Source/FEC Rate Selection for Quality-Optimal MPEG-2 Video Delivery

Pascal Frossard

This paper deals with the optimal allocation of MPEG-2 encoding and media-independent Forward Error Correction (FEC) rates under a total given bandwidth. The optimality is defined in terms of minimum perceptual end-to-end distortion given a set of video an ...

2001

MPEG-7 CAMERA

Touradj Ebrahimi, Yousri Abdeljaoued, Oscar Divorra Escoda

MPEG-7 camera extends the capabilities of conventional cameras by analyzing its scene in order to generate a contentbased description according to the recently approved MPEG- 7 standard. This gives to the camera a large variety of current and potential app ...

IEEE2001

MPEG-4 natural video coding - An overview

Touradj Ebrahimi

This paper describes the MPEG-4 standard, as defined in ISO/IEC 14496-2. The MPEG-4 visual standard is developed to provide users a new level of interaction with visual contents. It provides technologies to view, access and manipulate objects rather than p ...

2000

Joint Source/FEC Rate Selection for Optimal MPEG-2 Video Delivery

Pascal Frossard

This paper deals with the optimal allocation of MPEG-2 encoding and media-independent FEC rates under a total given bandwidth. The optimality is defined in terms of minimum perceptual end-to-end distortion given a set of video and network parameters. We fi ...

EUSIPCO2000

View-dependent texture coding using the MPEG-4 video coding scheme

Touradj Ebrahimi, Murat Kunt, Frédéric Jordan

We present a novel technique for efficient coding of texture to be mapped on 3D landscapes. It enables the streaming of texture information across bi-directional networks like the Internet. The algorithm can be used with many transform based coding schemes ...

1998

Adaptive MPEG-2 Information Structuring

Pascal Frossard

This work addresses the optimization of TV-resolution MPEG-2 video streams to be transmitted over lossy packet networks. This paper introduces a new scene-complexity adaptive mechanism, namely the Adaptive MPEG-2 Information Structuring (AMIS) mechanism. A ...

1998

Multimedia resources: An information model and its application to an MPEG2 video codec

Jean-Pierre Hubaux

Still today, diagnosing a problem with multimedia resources, such as video and sound cards, is insufficiently automated. These resources therefore cannot be accurately managed. One reason for this is the lack of their thorough modeling. In this paper, we f ...

1998