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ICMCS
2007
IEEE
131views Multimedia» more  ICMCS 2007»
14 years 2 months ago
Image Source Coding Forensics via Intrinsic Fingerprints
In this digital era, digital multimedia contents are often transmitted over networks without any protection. This raises serious security concerns since the receivers/subscribers ...
Wan-Yi Sabrina Lin, Steven Tjoa, H. Vicky Zhao, K....
ICASSP
2007
IEEE
14 years 2 months ago
Adaptive Filtering for Video Coding with Focus Change
We propose an adaptive ltering approach for coding video that exhibits localized camera focus changes, e.g., such that different portions of a video frame can undergo different bl...
PoLin Lai, Yeping Su, Peng Yin, Cristina Gomila, A...
ICC
2007
IEEE
14 years 2 months ago
Optimal Detection Ordering for V-BLAST
— In this paper, we propose an optimal metric for detection ordering in terms of symbol error rate (SER) in vertical Bell-lab Layered Space-Time (V-BLAST) systems. Motivated by t...
Sang-Rim Lee, Inkyu Lee
GLOBECOM
2007
IEEE
14 years 2 months ago
Frequency Agile Interference-Aware Channel Sounding for Dynamic Spectrum Access Networks
— In this paper, we propose a novel channel sounding technique, called the multicarrier direct sequence swept time delay cross-correlation (MC-DS-STDCC), which is designed to min...
Qi Chen, Alexander M. Wyglinski, Gary J. Minden
VTC
2007
IEEE
139views Communications» more  VTC 2007»
14 years 2 months ago
A Low Complexity Frequency Domain Iterative Decision-Directed Channel Estimation Technique for Single-Carrier Systems
— A low complexity frequency domain iterative decision-directed channel estimation (FD-IDDCE) technique for single-carrier (SC) systems with frequency domain multiplexed (FDM) pi...
Chan-Tong Lam, David D. Falconer, Florence Danilo-...