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MMSEC
2004
ACM
137views Multimedia» more  MMSEC 2004»
14 years 23 days ago
Perturbed quantization steganography with wet paper codes
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
Jessica J. Fridrich, Miroslav Goljan, David Soukal
ICIAR
2004
Springer
14 years 22 days ago
Real Time Multiple Object Tracking Based on Active Contours
Abstract. In this paper our purpose is to present some solutions to multiple object tracking in an image sequence with a real time constraint and a possible mobile camera. We propo...
Sébastien Lefèvre, Nicole Vincent
MLMI
2004
Springer
14 years 21 days ago
An Integrated Framework for the Management of Video Collection
Video document retrieval is now an active part of the domain of multimedia retrieval. However, unlike for other media, the management of a collection of video documents adds the pr...
Nicolas Moënne-Loccoz, Bruno Janvier, St&eacu...
DCC
2000
IEEE
13 years 11 months ago
RD-Optimization of Hierarchical Structured Adaptive Vector Quantization for Video Coding
This paper contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization ...
Marcel Wagner, Dietmar Saupe
DCC
1995
IEEE
13 years 11 months ago
Constrained-Storage Vector Quantization with a Universal Codebook
— Many image compression techniques require the quantization of multiple vector sources with significantly different distributions. With vector quantization (VQ), these sources ...
Sangeeta Ramakrishnan, Kenneth Rose, Allen Gersho