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ICASSP
2009
IEEE
15 years 3 months ago
On perfect channel identifiability of semiblind ML detection of orthogonal space-time block coded OFDM
This paper considers maximum-likelihood (ML) detection of orthogonal space-time block coded OFDM (OSTBC-OFDM) systems without channel state information. Our previous work has show...
Tsung-Hui Chang, Wing-Kin Ma, Chuan-Yuan Huang, Ch...
ICIP
2009
IEEE
15 years 3 months ago
Block-Matching Translation And Zoom Motion-Compensated Prediction by sub-sampling
- In modern video coding standards, motion compensated prediction (MCP) plays a key role to achieve video compression efficiency. Most of them make use of block matching techniques...
Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung, Ka-Ho Ng
ICMCS
2009
IEEE
134views Multimedia» more  ICMCS 2009»
15 years 3 months ago
Robust lossless data hiding based on block gravity center for selective authentication
Reversible or lossless data hiding enables host media to be restored from marked media without any loss of host information. However, since most of existing lossless data hiding m...
Kyung-Su Kim, Min-Jeong Lee, Young-Ho Suh, Heung-K...
ICMCS
2009
IEEE
101views Multimedia» more  ICMCS 2009»
15 years 3 months ago
Block-Matching Translation and Zoom Motion-Compensated Prediction
- In modern video coding standards, motion compensated prediction (MCP) plays a key role to achieve video compression efficiency. Most of them make use of block matching techniques...
Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung
JDCTA
2010
113views more  JDCTA 2010»
15 years 1 months ago
A Watermarking Algorithm Based on Block Energy Analysis of Wavelet Transform's Coefficients and Lorenz Chaotic Attractor
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
Xuelong Hu, Wei Tian, Yongai Zheng