نتایج جستجو برای: scanner performance
تعداد نتایج: 1067142 فیلتر نتایج به سال:
While the documentation and preservation of rigid cultural heritage objects has become much easier with technologies such as 3D scanning or photogrammetry technologies, the digitalization of 3D intangible moving content is still a major issue. This concerns also the in situ creation of digital dance representations and the question of how to preserve and disseminate dance performances. In this ...
We propose a novel state space modelling approach to removing scanner-related artifacts from electroencephalograms recorded inside MR scanners. For this purpose, dynamical templates for the actual brain activity and the ballistocardiogram are obtained from a short piece of data recorded without fMRI scanning; dynamical templates for the scanner artifacts are obtained from data recorded during f...
UNLABELLED The SET-3000 G/X (clinical tomograph with high resolution and a large axial field of view) is a 3-dimensional (3D) (only) dedicated PET camera with germanium oxyorthosilicate (GSO) and bismuth germanate (BGO) scintillators. The main characteristic of the SET-3000 G/X PET scanner is 3D continuous-emission and spiral-transmission (CEST) scanning, yielding a reduction in whole-body scan...
In the last decade, 3D active sensors, like laser scanners or structured light systems, have been used for both documentation and analysis of historical and archaeological finds. Although remarkable results have been obtained, the high cost of the 3D sensors and of the processing software required has been a limiting factor for an extensive application of these technologies to the Cultural Heri...
abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
A method is described for the estimation of planimetric precision of laser scanning data. Due to the nearly random distribution of the points hit by the laser, it is difficult to use the very standard technique of measuring the same points with the instrument under investigation and with another one, whose performances are well known and better than those expected from the former. A new approac...
Scarce platinum group elements (PGE) are mainly concealed in massive sulfides, and finding economically viable ore bodies largely relies on their fast chemical mapping. Most core scanners provide incomplete mineralogical contents, but none also a complete analysis including light elements. This study investigates the performance of fully automated laser-induced breakdown spectroscopy (LIBS) sca...
Optical-resolution photoacoustic microscopy (OR-PAM) is an imaging tool to provide in vivo optically sensitive images in biomedical research. To achieve a small size, fast imaging speed, wide scan range, and high signal-to-noise ratios (SNRs) in a water environment, we introduce a polydimethylsiloxane (PDMS)-based 2-axis scanner for a flexible and waterproof structure. The design, theoretical b...
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