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VTC
2007
IEEE
130views Communications» more  VTC 2007»
14 years 1 months ago
Amalgamated Generalized Low Density Parity Check and Luby Transform Codes for the Wireless Internet
– Luby Transform codes (LT) were originally designed for the Binary Erasure Channel (BEC) encountered owing to randomly dropped packets in the statistical multiplexing aided Inte...
Thanh Dang Nguyen, Fang-Chun Kuo, Lie-Liang Yang, ...
IWDW
2007
Springer
14 years 1 months ago
A Practical Real-Time Video Watermarking Scheme Robust against Downscaling Attack
Abstract. In this paper, we propose a practical real-time video watermarking scheme for downscaling attack. We embed watermark into an arbitrary size of a host video and extract it...
Kyung-Su Kim, Dong-Hyuck Im, Young-Ho Suh, Heung-K...
PCM
2007
Springer
136views Multimedia» more  PCM 2007»
14 years 1 months ago
Laplacian Distortion Model (LDM) for Rate Control in Video Coding
Abstract. In many rate control models, a uniform weighted distortion has been assumed; that is, the DCT coefficients of the motioncompensation difference frames (residues) conform...
Long Xu, Xiangyang Ji, Wen Gao, Debin Zhao
GLOBECOM
2007
IEEE
13 years 7 months ago
Doppler Spread Estimation for Broadband Wireless OFDM Systems
Abstract— In this paper, we present a new Doppler spread estimation algorithm for broadband wireless orthogonal frequency division multiplexing (OFDM) systems with time-varying a...
Jun Tao, Jingxian Wu, Chengshan Xiao
CASCON
1996
124views Education» more  CASCON 1996»
13 years 9 months ago
Supporting procedural constructs in existing SQL compilers
The draft ofthe SQL/PSM standard de nes a procedural extension to the existing SQL2 language. An essential part of this extension is the support of procedural constructs such as B...
Gene Fuh, Jyh-Herng Chow, Nelson Mendonça M...