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Iteratively reweighted least squares

Iteratively Reweighted Least Squares Minimization With Prior Information A New Approach

Iteratively Reweighted Least Squares Minimization With Prior Information A New Approach

... [6] Daubechies, I., Devore, R., Fornasier, M., and Gunturk, S.C. Iteratively reweighted least squares minimization for sparse recovery, Communications on Pure and Applied Mathematics, Vol. 63 ...

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Harmonic Mean Iteratively Reweighted Least Squares for Low-Rank Matrix Recovery

Harmonic Mean Iteratively Reweighted Least Squares for Low-Rank Matrix Recovery

... mean iteratively reweighted least squares (HM-IRLS), optimizes a non-convex Schatten-p quasi-norm penalization to promote low-rankness and carries three major strengths, in particular for the ...

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Continuous Iteratively Reweighted Least Squares Algorithm for Solving Linear Models by Convex Relaxation

Continuous Iteratively Reweighted Least Squares Algorithm for Solving Linear Models by Convex Relaxation

... continuous iteratively reweighted least squares algo- rithm (CIRLS) for solving the linear models problem by convex relaxation, and prove the convergence of this ...

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2-D iteratively reweighted least squares lattice algorithm and its application to defect detection in textured images

2-D iteratively reweighted least squares lattice algorithm and its application to defect detection in textured images

... 2-D iteratively reweighted least squares lat- tice algorithm, which is robust to the outliers, is introduced and is applied to defect detection problem in textured ...weighted least ...

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Low-dose CT reconstruction via L1 dictionary learning regularization using iteratively reweighted least-squares

Low-dose CT reconstruction via L1 dictionary learning regularization using iteratively reweighted least-squares

... IRLS: iteratively reweighted least squares; ADISR: adaptive dictionary based statistical iterative reconstruction; PLWS: penalized weighted least-squares; FBP: filtered ...

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Iteratively reweighted least squares in crystal

structure refinements

Iteratively reweighted least squares in crystal structure refinements

... weighted least squares is presented and ...of least- squares fitting is its sensitivity to ...robust least-squares regression that minimizes the influence of ...the ...

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A System of Subroutines For Iteratively Reweighted Least Squares Computations

A System of Subroutines For Iteratively Reweighted Least Squares Computations

... or a combination of QR and MINFIT [7] (least-squares solution by singular value decomposition) needs some explanation, Frequently the data matrix, A, in the statistical rrydel b Ax + r h[r] ...

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Robust spectrotemporal decomposition by iteratively reweighted least squares

Robust spectrotemporal decomposition by iteratively reweighted least squares

... Edited* by David L. Donoho, Stanford University, Stanford, CA, and approved October 21, 2014 (received for review November 4, 2013) Classical nonparametric spectral analysis uses sliding windows to capture the dynamic ...

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PIRLS: Poisson Iteratively Reweighted Least Squares Computer Program for Additive, Multiplicative, Power, and Non-linear Models

PIRLS: Poisson Iteratively Reweighted Least Squares Computer Program for Additive, Multiplicative, Power, and Non-linear Models

... The output file contains an optional list of the input data, observed and fitted count data (deaths or cases), coefficients, standard errors, relative risks and 95% confidence intervals,[r] ...

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An Iteratively Reweighted Least Square Implementation for Face Recognition

An Iteratively Reweighted Least Square Implementation for Face Recognition

... i ITERATIVELY REWEIGHTED LEAST SQUARES (IRLS) The Speed Issue of l₁ Minimization While the SRC algorithm is a breakthrough in face recognition, its speed is still not ...

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Robustness of reweighted Least Squares Kernel Based Regression

Robustness of reweighted Least Squares Kernel Based Regression

... a least squares loss function may have some undesirable properties from a robustness point of view: even very small amounts of outliers can dramatically affect the ...for reweighted Least ...

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Reweighted Least Trimmed Squares: An Alternative to One-Step Estimators

Reweighted Least Trimmed Squares: An Alternative to One-Step Estimators

... In statistics, techniques robust to atypical observations have recently been studied since such observations can arise for many reasons: heavy-tailed data distributions, miscoding, or heterogeneity not captured or ...

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Proximal iteratively reweighted algorithm for low rank matrix recovery

Proximal iteratively reweighted algorithm for low rank matrix recovery

... proximal iteratively reweighted algorithm to recover a low-rank matrix based on the weighted fixed point ...proximal iteratively reweighted algorithm lessens the objective function value ...

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THE METHOD OF LEAST SQUARES THE METHOD OF LEAST SQUARES

THE METHOD OF LEAST SQUARES THE METHOD OF LEAST SQUARES

... LINEAR REGRESSION LINEAR REGRESSION is a powerfull tool for studying fundamental relationships between two (or more) RVs Y and X. The method is based on the method of least squares. Let’s discuss the ...

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An Efficient Adaptive Iteratively Reweighted l1 Algorithm for Elastic lq Regularization

An Efficient Adaptive Iteratively Reweighted l1 Algorithm for Elastic lq Regularization

... This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract In this paper, we propose an efficient adaptive iteratively ...

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Weighted least squares and adaptive least squares: further empirical evidence

Weighted least squares and adaptive least squares: further empirical evidence

... weighted least squares (WLS), also in conjunction with HC standard ...adaptive least squares (ALS), where it is ‘decided’ from the data whether the applied researcher should use either OLS or ...

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Least Squares Estimation

Least Squares Estimation

... The least squares criterion is a computationally convenient measure of ...example, least absolute deviations, which is more robust against out- ...

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The Method of Least Squares

The Method of Least Squares

... Abstract The Method of Least Squares is a procedure to determine the best fit line to data; the proof uses simple calculus and linear algebra. The basic problem is to find the best fit straight line y = ax ...

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The Method of Least Squares

The Method of Least Squares

... We can surmount this problem by taking a logarithmic transform of the data. Setting 𝒦 = log 𝑘, ℱ = log 𝐹 and ℛ = log 𝑟, the relation 𝐹 = 𝑘/𝑟 𝑛 becomes ℱ = 𝑛ℛ + 𝒦. We are now in a situation where we can apply the Method ...

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