Sciweavers

1344 search results - page 30 / 269
» Quantization
Sort
View
TIT
2002
62views more  TIT 2002»
13 years 9 months ago
Design and performance of VQ-based hybrid digital-analog joint source-channel codes
A joint source
Mikael Skoglund, Nam Phamdo, Fady Alajaji
CDC
2008
IEEE
162views Control Systems» more  CDC 2008»
14 years 4 months ago
Average consensus by gossip algorithms with quantized communication
— This work studies how the randomized gossip algorithm can solve the average consensus problem on networks with quantized communications. The algorithm is proved to converge to ...
Paolo Frasca, Ruggero Carli, Fabio Fagnani, Sandro...
ICASSP
2008
IEEE
14 years 4 months ago
Efficient channel quantization scheme for multi-user MIMO broadcast channels with RBD precoding
Abstract — Regularized block diagonalization (RBD) is a new linear precoding technique for the multi-antenna broadcast channel and has a significantly improved sum rate and dive...
Bin Song, Florian Roemer, Martin Haardt
ISCAS
2008
IEEE
203views Hardware» more  ISCAS 2008»
14 years 4 months ago
Enhanced multi-bit delta-sigma modulator with two-step pipeline quantizer
—A new delta-sigma Analog-to-Digital Converter (ADC) is presented in this paper. A two-step pipeline ADC is used as the quantizer of this delta-sigma modulator to reduce the quan...
Omid Rajaee, Un-Ku Moon
CIVR
2007
Springer
166views Image Analysis» more  CIVR 2007»
14 years 4 months ago
Multi-level local descriptor quantization for bag-of-visterms image representation
In the past, quantized local descriptors have been shown to be a good base for the representation of images, that can be applied to a wide range of tasks. However, current approac...
Pedro Quelhas, Jean-Marc Odobez