نتایج جستجو برای: reconstructions

تعداد نتایج: 14428  

2001
KENT A. STEVENS

A parametric approach towards modeling is advocated for skeletal reconstructions. Three-dimensional digital reconstructions are compared with conventional two-dimensional illustrations, particularly silhouette drawings. The advantages of the parametric system provided by the DinoMorph software include: open access to all data comprising the model and the rendering algorithms for the independen...

1999
A. R. Smith R. M. Feenstra

Surface reconstructions occurring on the (0001) surface of wurtzite GaN are studied using scanning tunneling microscopy, electron diffraction, and Auger electron spectroscopy. The family of reconstructions found on this face includes 2×2, 5×5, 6×4, and “1×1”, in order of increasing surface Ga/ N ratio. Detailed experimental results are presented for each of these reconstructions. First-principl...

Journal: :Molecular Systems Biology 2009
Matthew A Oberhardt Bernhard Ø Palsson Jason A Papin

The availability and utility of genome-scale metabolic reconstructions have exploded since the first genome-scale reconstruction was published a decade ago. Reconstructions have now been built for a wide variety of organisms, and have been used toward five major ends: (1) contextualization of high-throughput data, (2) guidance of metabolic engineering, (3) directing hypothesis-driven discovery,...

Journal: :medical journal of islamic republic of iran 0
mehdi deylamipour from the department of plastic and reconstructive surgery, hazrat fatemeh training and treatment university hospital, iran university of medical sciences, tehran, i.r. iran. ahmad hoomand noor ahmad latifi

this paper presents a new modified technique for ear and eyebrow reconstruction which was used to reconstruct facial injuries caused by burns, excision of malignant tumors, depressed traumatic scars and a low hairline defect around the auricular region.' other facial reconstructions carried out by this procedure were also highly successful and without complications.

2013
Daniël Pelt Jan Sijbers K. Joost Batenburg

Obtaining accurate reconstructions from a small number of projections is important in many tomographic applications. Current advanced reconstruction methods are able to produce accurate reconstructions in some cases, but they are usually computationally expensive. Here, we present a reconstruction method based on artificial neural networks, which can be viewed as a combination of fast filtered ...

Journal: :Irish journal of medical science 2009
B J Doyle P A Grace E G Kavanagh P E Burke F Wallis M T Walsh T M McGloughlin

BACKGROUND Endovascular repair is fast becoming the treatment of choice for abdominal aortic aneurysms in anatomically suitable patients. 3D reconstructions not only aid conventional 2D measurements but also allow further analyses of the vessel anatomy. METHODS Computed tomography scan data for four male patients awaiting endovascular repair were obtained. 3D reconstructions were performed to...

2006
Steve Bryson Doron Levy

We incorporate new high-order WENO-type reconstructions into Godunov-type central schemes for Hamilton–Jacobi equations. We study schemes that are obtained by combining the Kurganov–Noelle–Petrova flux with the weighted power ENO and the mapped WENO reconstructions. We also derive new variants of these reconstructions by composing the weighted power ENO and the mapped WENO reconstructions with ...

2006
HENRY N. POLLACK SHAOPENG HUANG JASON E. SMERDON

Fifty-seven borehole temperature profiles from across Australia are analysed to reconstruct a ground surface temperature history for the past five centuries. The five-hundred-year reconstruction is characterised by a temperature increase of approximately 0.5 K, with most of the warming occurring in the 19th and 20th centuries. The 17th century was the coolest interval of the five-century recons...

Journal: :Magnetic resonance in medicine 2009
Felix A Breuer Stephan A R Kannengiesser Martin Blaimer Nicole Seiberlich Peter M Jakob Mark A Griswold

In this work a theoretical description for practical quantitative estimation of the noise enhancement in generalized autocalibrating partially parallel acquisitions (GRAPPA) reconstructions, equivalent to the geometry (g)-factor in sensitivity encoding for fast MRI (SENSE) reconstructions, is described. The GRAPPA g-factor is derived directly from the GRAPPA reconstruction weights. The procedur...

1996
Sergei F. Shandarin

We present percolation analyses of Wiener Reconstructions of the IRAS 1.2Jy Redshift Survey. There are ten reconstructions of galaxy density in real space spanning the range β = 0.1 to 1.0, where β = Ω/b, Ω is the present dimensionless density and b is the bias factor. Our method uses the growth of the largest cluster statistic to characterize the topology of the density field, where Gaussian r...

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