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2009 AUG 25 ... space, which results in fast algorithms. This allows the entire reconstruction (or at least a sizeable portion of it) to be used by taking into account the symmetry of the ... in real time. The positions and orientations of the models are refined by a least-squaresminimization. Thirdly, normal-mode calculations can be used to simulate conformational ...
2009 MAR 3 ... N, P, As, O, S, and Se), optimized elemental reference energies are determined by least-squares error minimization of an overdetermined set of linear equations. These elemental ...
2009 APR 14 ... using this program. The parameter estimation algorithm used in the GPC-SISO is Recursive LeastSquares. The minimization algorithm used in the NGPC-SISO is Newton-Raphson," wrote ...
2009 APR 14 ... distributions (DSDs) have been retrieved from 915-MHz profilers for several years using least squares minimization to determine the best-fit DSD to the observed Doppler spectra."
...
2007 JAN 9 ... Researchers detail in "Penalized weighted least-squares approach to sinogram noise reduction and image reconstruction for low-dose X-ray ... report.
"Three different implementations were studied for the PWLS minimization. One utilizes a Markov random field (MRF) Gibbs functional to consider spatial ...
2007 FEB 5 ... Germany report.
"CBF was measured by [(15)O]H(2)O PET using multilinear least-squaresminimization procedure based on the one-compartment model. In corresponding ...
2005 OCT 24 ... Cleveland, Ohio, United States, L Curve, Regularization, Inverse Treatment Planning, Least Squares Minimization, Oncology, Maximum Curvature, Radiotherapy, Radiotherapy Optimization, Value ...
2007 APR 3 ... constraint, is superior to methods without prior information, such as partial least-squares, and is less susceptible to spurious correlations. In addition, we show that CR ... key feature is that the constraint is incorporated in a flexible manner, allowing the minimization algorithm to arrive at the optimal solution. We demonstrate that CR, when used with an ...
Subject: Massachusetts Institute of Technology, U.S.
2007 MAY 1 ... power spectra using Fast Fourier Transformation. An inverse algorithm based on least-squaresminimization was used to reconstruct three parameters of the contact lenses: ...
2006 JUN 13 ... Cleveland, Ohio, United States, L Curve, Regularization, Inverse Treatment Planning, Least Squares Minimization, Oncology, Maximum Curvature, Radiotherapy, Radiotherapy Optimization, Value ...
Subject: Case Western Reserve University, Cleveland
2006 JUN 13 ... Cleveland, Ohio, United States, L Curve, Regularization, Inverse Treatment Planning, Least Squares Minimization, Oncology, Maximum Curvature, Radiotherapy, Radiotherapy Optimization, Value ...
2008 JUL 1 ... parameter for the deflation (inflation) process. An error minimization by the method of leastsquares applied to existing P-V loop data from two different data sources confirms that ...
2006 NOV 14 ... effect on the fast and slow wave forms. The inverse problem is solved numerically by the leastsquares method. Five parameters are inverted: the porosity, tortuosity, viscous ... characteristic length, Young modulus, and Poisson ratio of the skeletal frame. The minimization of the discrepancy between experiment and theory is made in the time domain. The inverse ...
2008 OCT 28 ... United States, "Characterization of measurement uncertainty in terms of root sums of squares of both unknown systematic as well as random error components is given meaning in the ... established between traditional confidence limits, accuracy measures in the case of bias minimization and an uncertainty measure."
Bartley and colleagues published the ...
2008 OCT 13 ... work (Olufsen et al. 2006), we estimated the 17 model parameters by minimizing the leastsquares error between computed and measured values of the heart rate using the ... we make use of the thousands of points sampled by the optimizers in the course of the minimization to perform an overall analysis of the model itself," wrote K.R. Fowler and colleagues, ...
2007 DEC 25 ... a bimodal distribution of proton binding sites was fitted to titration data by use of a least-squaresminimization method," scientists in Madrid, Spain report.
"The ...
