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TASLP
2008
104views more  TASLP 2008»
13 years 8 months ago
Tracking of Nonstationary Noise Based on Data-Driven Recursive Noise Power Estimation
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
Jan S. Erkelens, Richard Heusdens
TCOM
2008
117views more  TCOM 2008»
13 years 8 months ago
Distributed differential space-time coding for wireless relay networks
Distributed space-time coding is a cooperative transmission scheme proposed for wireless relay networks. With this scheme, antennas of the distributive relays work as transmit ante...
Yindi Jing, Hamid Jafarkhani
TCOM
2008
101views more  TCOM 2008»
13 years 8 months ago
Transmit beamforming for space-frequency coded MIMO-OFDM systems with spatial correlation feedback
Abstract--This paper addresses the problem of joint optimization of transmit beamforming and space-frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in ...
Ahmed K. Sadek, Weifeng Su, K. J. Ray Liu
TCSV
2008
139views more  TCSV 2008»
13 years 8 months ago
Histogram-Based Prefiltering for Luminance and Chrominance Compensation of Multiview Video
Significant advances have recently been made in the coding of video data recorded with multiple cameras. However, luminance and chrominance variations between the camera views may ...
Ulrich Fecker, Marcus Barkowsky, André Kaup
TIP
2008
105views more  TIP 2008»
13 years 8 months ago
Weighted Adaptive Lifting-Based Wavelet Transform for Image Coding
In this paper, a new weighted adaptive lifting (WAL)-based wavelet transform is presented. The proposed WAL approach is designed to solve the problems existing in the previous adap...
Yu Liu, King Ngi Ngan