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» DCT Based High Quality Image Compression
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MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
15 years 9 months ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...
ICIP
1998
IEEE
16 years 4 months ago
An Efficient Motion Estimation Algorithm based on Tracing Techniques on Large Search Windows
Motion estimation represents the most computationally intensive task for all efficient motion compensated compression standards. This fact, despite the several eflorts aiming at r...
Marco Mattavelli, Giorgio Zoia
CGF
2011
14 years 6 months ago
Visualizing High-Dimensional Structures by Dimension Ordering and Filtering using Subspace Analysis
High-dimensional data visualization is receiving increasing interest because of the growing abundance of highdimensional datasets. To understand such datasets, visualization of th...
Bilkis J. Ferdosi, Jos B. T. M. Roerdink
ICASSP
2007
IEEE
15 years 9 months ago
Flicker Suppression in JPEG2000 using Segmentation-Based Adjustment of Block Truncation Lengths
Flickering is a temporal visual artifact that affects compressed video. It is prominent in intra-frame video coders and is largely the result of content variations and quantizatio...
Athanasios Leontaris, Yoshihide Tonomura, Takayuki...
INFOCOM
2012
IEEE
13 years 5 months ago
Threshold compression for 3G scalable monitoring
—We study the problem of scalable monitoring of operational 3G wireless networks. Threshold-based performance monitoring in large 3G networks is very challenging for two main fac...
Suk-Bok Lee, Dan Pei, MohammadTaghi Hajiaghayi, Io...