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ICIP
2000
IEEE
16 years 1 months ago
A Rate-Distortion Approach to Wavelet-Based Encoding of Predictive Error Frames
In this paper, we develop a framework for efficiently encoding predictive error frames (PEF) as part of a rate scalable, wavelet-based video compression algorithm. We investigate ...
Eduardo Asbun, Paul Salama, Edward J. Delp
CEAS
2007
Springer
15 years 6 months ago
Image Spam Filtering by Content Obscuring Detection
We address the problem of filtering image spam, a rapidly spreading kind of spam in which the text message is embedded into attached images to defeat spam filtering techniques b...
Battista Biggio, Giorgio Fumera, Ignazio Pillai, F...
CSREASAM
2006
15 years 1 months ago
A New Robust and Secure Steganographic System for Greyscale Images
: The research work in this paper shows that the currently available stenographic methods might be quite easily detected by using sufficiently careful analysis of the transmitted d...
Hesham Elzouka
MMSEC
2005
ACM
210views Multimedia» more  MMSEC 2005»
15 years 5 months ago
Composite signature based watermarking for fingerprint authentication
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
Farid Ahmed, Ira S. Moskowitz
MM
2004
ACM
195views Multimedia» more  MM 2004»
15 years 5 months ago
Hierarchical clustering of WWW image search results using visual, textual and link information
We consider the problem of clustering Web image search results. Generally, the image search results returned by an image search engine contain multiple topics. Organizing the resu...
Deng Cai, Xiaofei He, Zhiwei Li, Wei-Ying Ma, Ji-R...