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   Articles with "direct linear" as a keyword



Caveats of three direct linear solvers for finite element analyses

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recommendations! Published in 2024 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.7545

Abstract: The solution of large linear systems of equations with sparse matrices is a critical component of finite element analyses. Three linear solvers are investigated here: MUMPS, UMFPACK, and Intel DSS (PARDISO). Often, these solvers are… read more here.

Keywords: element analyses; three direct; direct linear; linear solvers ... See more keywords

Direct linear and refraction-invariant pose estimation and calibration model for underwater imaging

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recommendations! Published in 2019 at "ISPRS Journal of Photogrammetry and Remote Sensing"

DOI: 10.1016/j.isprsjprs.2019.06.004

Abstract: Abstract Accuracy, detail, and limited time on site make photogrammetry a valuable means for underwater mapping. Imaging in such domains is subjected however to distortions which are caused by refraction of the incoming rays. As… read more here.

Keywords: calibration; refraction; model; direct linear ... See more keywords

Reconstruction of the Motion of Traffic Accident Vehicle in the Vehicle‐Mounted Video Based on Direct Linear Transform

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recommendations! Published in 2024 at "Journal of Advanced Transportation"

DOI: 10.1155/2024/5793435

Abstract: Based on the principle of direct linear transformation (DLT) in close‐range photogrammetry, a method was proposed for reconstructing the motion states of the host vehicle and other vehicles based on vehicle‐mounted videos. To verify the… read more here.

Keywords: vehicle; mounted video; direct linear; vehicle mounted ... See more keywords

Direct Linear Interpolation of Geometric Objects in Conformal Geometric Algebra

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recommendations! Published in 2019 at "Advances in Applied Clifford Algebras"

DOI: 10.17863/cam.46117

Abstract: Typically we do not add objects in conformal geometric algebra (CGA), rather we apply operations that preserve grade, usually via rotors, such as rotation, translation, dilation, or via reflection and inversion. However, here we show… read more here.

Keywords: geometric objects; geometric algebra; linear interpolation; direct linear ... See more keywords