Publications associées à JPEG2000 image coding system theory and applications

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A JPEG backward-compatible HDR image compression

Touradj Ebrahimi

High Dynamic Range (HDR) imaging is expected to become one of the technologies that could shape next generation of consumer digital photography. Manufacturers are rolling out cameras and displays capable of capturing and rendering HDR images. The popularit ...

Spie-Int Soc Optical Engineering2012

Retrieval of occluded images using DCT phase and region merging

Pierre-André Farine, Sara Grassi Pauletti, Pradyumna Ayyalasomayajula

In this paper we present an efficient method for Content Based Image Retrieval (CBIR) of occluded images using DCT-phase. The proposed method utilizes a novel correlation metric for ternary-valued DCT-phase, as well as a region merging method to reconstruc ...

IEEE2012

Progressive quantization in distributed average consensus

Pascal Frossard, Effrosyni Kokiopoulou

We consider the problem of distributed average consensus in a sensor network where sensors exchange quantized information with their neighbors. In particular, we exploit the increasing correlation between the exchanged values throughout the iterations of t ...

2012

Scalable Feature Extraction for Coarse-to-Fine JPEG2000 Image Classification

Pierre Vandergheynst, Christophe De Vleeschouwer, Benoît Macq

In this paper, we address the issues of analyzing and classifying JPEG 2000 code-streams. An original representation, called integral volume, is first proposed to compute local image features progressively from the compressed code-stream, on any spatial im ...

Institute of Electrical and Electronics Engineers2011

Analyzing Near-infrared Images for Utility Assessment

Sabine Süsstrunk, Zahra Sadeghipoor Kermani, Neda Salamati

Visual cognition is of significant importance in certain imaging applications, such as security and surveillance. In these applications, an important issue is to determine the cognition threshold, which is the maximum distortion level that can be applied t ...

SPIE-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2011

Progressive quantization in distributed average consensus

Pascal Frossard, Effrosyni Kokiopoulou

2011

Coupling matrix synthesis of dissipative microwave filters

Michael Mattes, Francisco Edén Sorolla Rosario, Diego Navarro Tapia

This study reviews the coupling matrix synthesis of dissipative microwave filters. It compares it to the synthesis of lossless transfer functions and shows that by correctly interpreting the mathematical operations in the lossless case, that is especially ...

Institution of Engineering and Technology2011

On the Limits of Perceptually Optimized JPEG

Touradj Ebrahimi, Francesca De Simone, Lutz Goldmann, Denis Filimonov

The study presented in this paper aims at quantifying the empirical limits of JPEG optimization, when the compressed stream is standard compliant and only the quantization tables are optimized. Image-dependent quantization tables, which minimize the bitrat ...

2010

Lossless Source Coding with Polar Codes

Satish Babu Korada, Harm Cronie

In this paper lossless compression with polar codes is considered. A polar encoding algorithm is developed and a method to design the code and compute the average compression rate for finite lengths is given. It is shown that the scheme achieves the optima ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

JPEG2000 image coding system theory and applications

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Chattez avec Graph Search

A JPEG backward-compatible HDR image compression

Retrieval of occluded images using DCT phase and region merging

Progressive quantization in distributed average consensus

Scalable Feature Extraction for Coarse-to-Fine JPEG2000 Image Classification

Analyzing Near-infrared Images for Utility Assessment

Progressive quantization in distributed average consensus

Coupling matrix synthesis of dissipative microwave filters

On the Limits of Perceptually Optimized JPEG

Lossless Source Coding with Polar Codes

The JPEG 2000 Suite

A JPEG backward-compatible HDR image compression

Retrieval of occluded images using DCT phase and region merging

Progressive quantization in distributed average consensus

Scalable Feature Extraction for Coarse-to-Fine JPEG2000 Image Classification

Progressive quantization in distributed average consensus

The JPEG 2000 Suite

Analyzing Near-infrared Images for Utility Assessment

Coupling matrix synthesis of dissipative microwave filters

On the Limits of Perceptually Optimized JPEG

Lossless Source Coding with Polar Codes