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ICIP
2005
IEEE
14 years 11 months ago
The M-term pursuit for image representation and progressive compression
This paper introduces a sparse signal representation algorithm in redundant dictionaries, called the M-Term Pursuit (MTP), with an application to image representation and scalable ...
Adel Rahmoune, Pierre Vandergheynst, Pascal Frossa...
ICIP
2007
IEEE
14 years 11 months ago
Using H.264/AVC-Intra for Segmentation-Driven Compound Document Coding
In this paper we explore H.264/AVC operating in intraframe mode to compress a mixed image, i.e. composed of text, graphics and pictures. Even though mixed contents (compound) docu...
Alexandre Zaghetto, Ricardo L. de Queiroz
ICIP
2006
IEEE
14 years 11 months ago
Image Compression using Object-Based Regions of Interest
A new architecture for region of interest (ROI) image coding is proposed. ROIs are defined as image regions containing objects of interest, and an efficient algorithm proposed for...
Sunhyoung Han, Nuno Vasconcelos
ICIP
2005
IEEE
14 years 11 months ago
An efficient algorithm for informed embedding of dirty-paper trellis codes for watermarking
Dirty paper trellis codes are a form of watermarking with side information. These codes have the advantage of being invariant to valumetric scaling of the cover Work. However, the...
Gwenaël J. Doërr, Ingemar J. Cox, Lin Li...
ICIP
2005
IEEE
14 years 11 months ago
Embedded image coding with context partitioning and quantization
As a key part of universal source coding, context quantization is very important for improving compression performance. However, in most existing methods, the quantizer is trained...
Hua Cai, Xing San, Jiang Li