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Video Coding with Superimposed Motion-Compensated Signals: Applications to H.264 and Beyond

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The JPEG 2000 Image Coding Standard

Touradj Ebrahimi

The JPEG 2000 is a new image coding standard that specifies only the decoding algorithm and the compressed data format—the encoder algorithm is deliberately left up to you. ...

2001

Adaptive Entropy-Constrained Matching Pursuit Quantization

Pascal Frossard, Pierre Vandergheynst

This paper proposes an adaptive entropy-constrained Matching Pursuit coefficient quantization scheme. The quantization scheme takes benefit of the inherent properties of Matching Pursuit streams where coefficients energy decreases along with the iteration ...

EUSIPCO2001

Text Identification in Complex Background using SVM

Jean-Philippe Thiran, Hervé Bourlard, Datong Chen

This paper presents a fast and robust algorithm to identify text in image or video frames with complex backgrounds and compression effects. The algorithm first extracts the candidate text line on the basis of edge analysis, baseline location and heuristic ...

IDIAP2001

Text Identification in Complex Background using SVM

Jean-Philippe Thiran, Hervé Bourlard, Datong Chen

2001

Video OCR for Sport Video Annotation and Retrieval

Hervé Bourlard, Datong Chen

This paper presents a video OCR system that automatically extracts closed captions from video frames as keywords (or as we called "cues") for building annotations of sport videos. In this system, text regions that contain closed captions are first identifi ...

2001

Video OCR for Sport Video Annotation and Retrieval

Hervé Bourlard, Datong Chen

IDIAP2001

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

Designing new network adaptation and ATM adaptation layers for interactive multimedia applications

Multimedia services, audiovisual applications composed of a combination of discrete and continuous data streams, will be a major part of the traffic flowing in the next generation of high speed networks. The cornerstones for multimedia are Asynchronous Tra ...

EPFL1998

Visual Data Compression for Multimedia Applications

Touradj Ebrahimi, Murat Kunt

The compression of visual information in the framework of multimedia applications is discussed. To this end, major approaches to compress still as well as moving pictures are reviewed. The most important objective in any compression algorithm is that of co ...

1998