Publications related to Image security and processing in the JPEG 2000 compressed domain

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Compression of Multispectral Images: Color (RGB) plus Near-Infrared (NIR)

Sabine Süsstrunk, Zahra Sadeghipoor Kermani, Neda Salamati

We propose a compression framework for four-channel images, composed of color (RGB) and near-infrared (NIR) channels, which exploits the correlation between the visible and the NIR information. The high-frequency components of both visible and NIR scene re ...

Ieee2012

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

Perceptual Video Compression: A Survey

Touradj Ebrahimi, Jong Seok Lee

With the advances in understanding perceptual properties of the human visual system and constructing their computational models, efforts toward incorporating human perceptual mechanisms in video compression to achieve maximal perceptual quality have receiv ...

Ieee-Inst Electrical Electronics Engineers Inc2012

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

Rate Distortion Behavior of Sparse Sources

Martin Vetterli

The rate distortion behavior of sparse memoryless sources is studied. These serve as models of sparse signal representations and facilitate the performance analysis of "sparsifying" transforms like the wavelet transform and nonlinear approximation schemes. ...

Institute of Electrical and Electronics Engineers2012

Joint Reconstruction of Correlated Images from Compressed Images

Pascal Frossard, Vijayaraghavan Thirumalai

This paper proposes a novel joint reconstruction algorithm to decode sets of correlated images from distributively compressed images. We consider a scenario where the images captured at different viewpoints are encoded independently using transform-based c ...

2012

A New In-Camera Imaging Model for Color Computer Vision and its Application

Sabine Süsstrunk, Seungryong Kim, Matthew Brown

We present a study of the in-camera image processing through an extensive analysis of more than 10,000 images from over 30 cameras. The goal of this work is to investigate if image values can be transformed to physically meaningful values, and if so, when ...

Institute of Electrical and Electronics Engineers2012

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

Image security and processing in the JPEG 2000 compressed domain

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Compression of Multispectral Images: Color (RGB) plus Near-Infrared (NIR)

Selected Contributions on Multimedia Quality Evaluation

A JPEG backward-compatible HDR image compression

Perceptual Video Compression: A Survey

Progressive quantization in distributed average consensus

Rate Distortion Behavior of Sparse Sources

Joint Reconstruction of Correlated Images from Compressed Images

A New In-Camera Imaging Model for Color Computer Vision and its Application

Retrieval of occluded images using DCT phase and region merging

Polar Coding Theorems for Discrete Systems

Joint Reconstruction of Correlated Images from Compressed Images

Selected Contributions on Multimedia Quality Evaluation

Rate Distortion Behavior of Sparse Sources

A JPEG backward-compatible HDR image compression

Polar Coding Theorems for Discrete Systems

Progressive quantization in distributed average consensus

Retrieval of occluded images using DCT phase and region merging

Perceptual Video Compression: A Survey

A New In-Camera Imaging Model for Color Computer Vision and its Application

Compression of Multispectral Images: Color (RGB) plus Near-Infrared (NIR)