نتایج جستجو برای: high accuracy

تعداد نتایج: 2301318  

2010
Hirotaka Niitsuma Prasanna Rangarajan Kenichi Kanatani

We present a highly accurate least-squares (LS) alternative to the theoretically optimal maximum likelihood (ML) estimator for homographies between two images. Unlike ML, our estimator is non-iterative and yields a solution even in the presence of large noise. By rigorous error analysis, we derive a “hyperLS” estimator which is unbiased up to second order noise terms. We also introduce a comput...

2014
MICHAEL M. WALTER CHRISTIAN M. FRANCK

In this contribution, we report on the application of a novel, high accuracy, arc characterization method to wall constricted arcs in cylindrical nozzles with low blow pressure. The method makes use of a novel current source that is able to produce nearly arbitrary current shapes. With it, it is possible to derive the stationary and transient arc characteristic independent of each other but wit...

2005
N. Neuss

In this contribution we study the calculation of effective coefficients for media with periodic heterogeneities. We use finite element methods of high order which allows to obtain high accuracy with relatively low computational effort. This is shown both theoretically and practically.

1996
James E. Proctor P. Yvonne Barnes

A new reflectometer-spectrophotometer has been designed and constructed using state-of-the-art technology to enhance optical properties of materials measurements over the ultraviolet, visible, and near-infrared (UV-Vis-NIR) wavelength range (200 nm to 2500 nm). The instrument, Spectral Tri-function Automated Reference Reflectometer (STARR), is capable of measuring specular and diffuse reflectan...

2007
ROBERT SCHABACK

Let f be a smooth curve in IR d , parametrized by arclength. If a large sample of data points p

2014
P. H. Sorensen B. J. Davis R. J. Kline R. L. Morrison

AN ULTRA-COMPACT, HIGH-ACCURACY STAR TRACKER. P. H. Sorensen, B. J. Davis, R. J. KlineSchoder, and R. L. Morrison. Creare LLC, 16 Great Hollow Road, Hanover, NH 03755; [email protected]. Creare LLC, 16 Great Hollow Road, Hanover, NH 03755; [email protected]. Creare LLC, 16 Great Hollow Road, Hanover, NH 03755; [email protected]. Distant Focus Corporation, 1715 Ironhorse Drive, Suite 260, Longmont, CO, 8...

Journal: :SCIENTIA SINICA Physica, Mechanica & Astronomica 2021

Journal: :Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry 1972

Journal: :International Astronomical Union Colloquium 1991

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