Optimizing quantization for Lasso recovery.

IEEE Signal Processing Letters(2018)

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摘要
This letter is focused on quantized compressed sensing, assuming that Lasso is used for signal estimation. Leveraging recent work, we propose a constrained Lloyd-Max-like framework to optimize the quantization function in this setting, and show that when the number of observations is high, this method of quantization gives a significantly better recovery rate than standard Lloyd-Max quantization. ...
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关键词
Quantization (signal),Standards,Compressed sensing,Estimation,Error analysis,Reconstruction algorithms,Optimization
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