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ISCAS
2003
IEEE
109views Hardware» more  ISCAS 2003»
13 years 11 months ago
Rate control for advance video coding (AVC) standard
Rate control plays a very important role in constant bit rate (CBR) coding. AVC standard is jointly developed by ISO and ITU-T, which contains several inter and intra prediction m...
Siwei Ma, Wen Gao, Peng Gao, Yan Lu
AICT
2006
IEEE
129views Communications» more  AICT 2006»
13 years 9 months ago
Stochastic Thresholding: An approach to Estimator Optimization via Fisher Information Maximization
In stochastic thresholding, the threshold for quantization of a signal is randomized. An estimator based on quantized signal data can be optimized through stochastic thresholding. ...
Samudra Dasgupta
DCC
2003
IEEE
14 years 5 months ago
Design of Optimal Quantizers for Distributed Source Coding
We address the problem of designing optimal quantizers for distributed source coding. The generality of our formulation includes both the symmetric and asymmetric scenarios, toget...
David Rebollo-Monedero, Rui Zhang, Bernd Girod
WCNC
2010
IEEE
13 years 4 months ago
Codebook Design for Memory-Based Quantization of Precoder Matrix in Low-Rate Feedback MIMO Systems with Temporally Correlated Fa
—An important transmitter adaptation technique used in multiple-input multiple-output (MIMO) communication systems is precoding based on the dominant right-singular vectors of th...
Pradeepa Yahampath, Are Hjørungnes
DCC
2008
IEEE
14 years 5 months ago
An Estimation-Theoretic Interpretation of Video Rate Distortion Optimization with Lagrangian Formulation
Rate distortion optimization with Lagrangian formulation is widely used in video encoder control and has proved effective in achieving a good trade-off between coding efficiency a...
Zhen Li, Alexis Michael Tourapis