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NESTA: A FAST AND ACCURATE FIRST-ORDER METHOD FOR SPARSE RECOVERY
Nesterov’s method smooth approximations of nonsmooth functions `1 minimization duality in convex optimization continuation methods compressed sensing total-variation minimization
2015/6/17
Accurate signal recovery or image reconstruction from indirect and possibly undersampled data is a topic of considerable interest; for example, the literature in the recent field of compressed sensing...
POINTS CLASSIFICATION BY A SEQUENTIAL HIGHER – ORDER MOMENTS STATISTICAL ANALYSIS OF LIDAR DATA
LIDAR Classification Algorithms Skewness Kurtosis
2014/6/5
The paper deals with a new sequential procedure to perform unsupervised LIDAR points classification by iteratively studying skewness and kurtosis for elevation and intensity point distribution values....
Sigma Set: A Small Second Order Statistical Region Descriptor
Sigma Set Statistical Region Descriptor
2010/12/20
Given an image region of pixels, second order statistics can be used to construct a descriptor for object representation. One example is the covariance matrix descriptor, which shows high discriminati...
On Blind MIMO System Identification Based on Second-Order Cyclic Statistics
Blind MIMO System Identification Second-Order Cyclic Statistics
2009/9/4
This letter introduces a new frequency domain approach for either MIMO System Identification or Source Separation of convolutive mixtures in cyclostationary context. We apply the joint diagonalization...
Improved Parameter Estimation for First-Order Markov Process
Parameter Estimation First-Order Markov Process
2009/9/4
This correspondence presents a linear transformation, which is used to estimate correlation coefficient of first-order Markov process. It outperforms zero-forcing (ZF), minimum mean-squared error (MMS...
High Order Cascade Multibit ΣΔ Modulator for Wide Bandwidth Applications
behavioural study DAC nonlinearity DEM VHDL-AMS modelling
2010/2/2
A wideband 2-1-1 cascaded ΣΔ modulator with a
single-bit quantizer in the two first stages and a 4-bit quantizer in the
final stage is developed. To reduce sensitivity of digital-to-analog
converte...