Výsledky vyhľadávania - "Inversion algorithm"

Inversion Algorithm to Calculate Charge Density on Solid Dielectric Surface Based on Surface Potential Measurement Autor Zhang, Boya, Gao, Wenqiang, Qi, Zhe, Wang, Qiang, Zhang, Guixin

“… Up to now, extensive studies have been conducted on this subject; nevertheless, the methods are either too complicated and time consuming, or only applicable…”
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A Folding Calculation Method Based on the Preconditioned Conjugate Gradient Inversion Algorithm of Gravity Gradient Tensor Autor Tian, Yu, Ke, Xiaoping, Wang, Yong

“… Compared with the original algorithm in which the entire study area is taken as the research subject and all grids are used simultaneously in the inversion, the proposed folding method divides…”
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Retrieval of Leaf Area Index Using Inversion Algorithm Autor Verma, Bhagyashree, Prasad, Rajendra, Srivastava, Prashant K., Singh, Prachi

“…; it helps in viewing spectral variability of the subject of interest. The advantage of such instruments opens up many opportunities for the development of hyperspectral data analysis in precision agriculture…”
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Monitoring ozone in different spectral regimes from space and balloon (Sentinel-4/-5P, TELIS) Autor Jian Xu, Schreier, Franz, Loyola, Diego, Schussler, Olena, Doicu, Adrian, Trautmann, Thomas

“… On the subject of these ill-posed inverse problems, the major challenge concerns the choice of the inversion algorithm balancing up accuracy and efficiency…”
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Non-invasive laminar inference with MEG: Comparison of methods and source inversion algorithms Autor Bonaiuto, James J., Rossiter, Holly E., Meyer, Sofie S., Adams, Natalie, Little, Simon, Callaghan, Martina F., Dick, Fred, Bestmann, Sven, Barnes, Gareth R.

“…). In this paper we use several different source inversion algorithms and both local and global, as well as parametric and non-parametric fit metrics in order to demonstrate the robustness…”
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Decreased brain stiffness in Alzheimer's disease determined by magnetic resonance elastography Autor Murphy, Matthew C., Huston III, John, Jack Jr, Clifford R., Glaser, Kevin J., Manduca, Armando, Felmlee, Joel P., Ehman, Richard L.

“…) pulse sequence and stiffness was calculated with a 3D direct inversion algorithm. Reproducibility of the technique was assessed in 10 male volunteers, who each underwent four MRE exams separated into two imaging sessions…”
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Non-uniqueness with refraction inversion - a syncline model study Autor Palmer, Derecke

“… The most common source of non‐uniqueness is the inversion algorithm used to generate the starting model…”
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Robust breast quantitative susceptibility mapping in the presence of silicone Autor Böhm, Christof, Stelter, Jonathan K., Weiss, Kilian, Meineke, Jakob, Komenda, Alexander, Borde, Tabea, Makowski, Marcus R., Fallenberg, Eva M., Karampinos, Dimitrios C.

“… to compare wfsTFI to a previously proposed field map-based linear total field inversion algorithm (lTFI…”
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Estimation of material parameters from slow and fast shear waves in an incompressible, transversely isotropic material Autor Tweten, Dennis J., Okamoto, Ruth J., Schmidt, John L., Garbow, Joel R., Bayly, Philip V.

“… This method is applicable to data from magnetic resonance elastography (MRE), which is a method for measuring shear waves in live subjects or in vitro samples…”
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Observation and inversion of very-low-frequency seismo-acoustic fields in the South China Sea Autor Du, Shuyuan, Cao, Jingpu, Zhou, Shihong, Qi, Yubo, Jiang, Lei, Zhang, Yongfeng, Qiao, Changcheng

“… In marine settings, one type of VLF sound is the interface wave. These waves, trapped near the fluid-solid interface, are called Scholte waves, and this is the subject of this study…”
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Non-rigid free-form 2D–3D registration using a B-spline-based statistical deformation model Autor Yu, Weimin, Tannast, Moritz, Zheng, Guoyan

“… In this paper, we propose to solve this challenge with a fast 3D B-spline pseudo-inversion algorithm that is implemented on graphics processing unit (GPU…”
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Analysis of liver viscosity behavior as a function of multifrequency magnetic resonance elastography (MMRE) postprocessing Autor Leclerc, Gwladys E., Charleux, Fabrice, Robert, Ludovic, Ho Ba Tho, Marie-Christine, Rhein, Colette, Latrive, Jean-Paul, Bensamoun, Sabine F.

“…) the inversion algorithm (IA), using rheological models (Voigt, springpot) in order to characterize the viscoelastic properties (viscosity: η and elasticity: μ…”
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Non-uniqueness with refraction inversion - the Mt Bulga shear zone Autor Palmer, Derecke

“…ABSTRACT The tau‐p inversion algorithm is widely employed to generate starting models with many computer programs that implement refraction tomography…”
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Joint impedance and facies inversion of time-lapse seismic data for improving monitoring of CO2 incidentally stored from CO2 EOR Autor Barajas-Olalde, César, Mur, Alan, Adams, Donald C., Jin, Lu, He, Jun, Hamling, John A., Gorecki, Charles D.

“…•Rock physics constrained seismic inversion to track injected CO2 over time.•Rock physics modeling for better CO2 injection monitoring with time-lapse…”
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Anisotropic mechanical properties in the healthy human brain estimated with multi-excitation transversely isotropic MR elastography Autor Smith, Daniel R., Caban-Rivera, Diego A., McGarry, Matthew D.J., Williams, L. Tyler, McIlvain, Grace, Okamoto, Ruth J., Van Houten, Elijah E.W., Bayly, Philip V., Paulsen, Keith D., Johnson, Curtis L.

“… should be considered for more accurate parameter estimation. Here we used a transversely isotropic, nonlinear inversion algorithm (TI-NLI…”
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MR elastography of prostate cancer: quantitative comparison with histopathology and repeatability of methods Autor Sahebjavaher, Ramin S., Nir, Guy, Honarvar, Mohammad, Gagnon, Louis O., Ischia, Joseph, Jones, Edward C., Chang, Silvia D., Fazli, Ladan, Goldenberg, S. Larry, Rohling, Robert, Kozlowski, Piotr, Sinkus, Ralph, Salcudean, Septimiu E.

“…The purpose of this work was to assess trans‐perineal prostate magnetic resonance elastography (MRE) for (1) repeatability in phantoms/volunteers and (2)…”
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2D cooperative inversion of direct current resistivity and gravity data: A case study of uranium bearing target rock Autor Singh, Anand, Mishra, Pankaj K., Sharma, S.P.

“…ABSTRACT Interpretation of a single geophysical data set is not sufficient to get complete subsurface information. Cooperative or joint inversion of…”
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Cenozoic evolution of the eastern Black Sea: A test of depth-dependent stretching models Autor Shillington, Donna J., White, Nicky, Minshull, Timothy A., Edwards, Glyn R.H., Jones, Stephen M., Edwards, Rosemary A., Scott, Caroline L.

“… A relatively pure-shear strain distribution is also obtained when a strain-rate inversion algorithm is applied that allows extension to vary with depth without assuming its existence or form…”
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Evaluation of a material parameter extraction algorithm using MRI-based displacement measurements Autor Romano, A.J., Bucaro, J.A., Ehnan, R.L., Shirron, J.J.

“…The performance of an inversion algorithm is investigated when applied to measured displacement data for a determination of the material parameters /sup /spl lambda…”
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Enforcing smoothness and assessing uncertainty in non-linear one-dimensional prestack seismic inversion Autor Varela, Omar J., Torres-Verdín, Carlos, Sen, Mrinal K.

“…ABSTRACT Estimation of elastic properties of rock formations from surface seismic amplitude measurements remains a subject of interest for the exploration and development of hydrocarbon reservoirs…”
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