نتایج جستجو برای: high spatial resolution

تعداد نتایج: 2447548  

Journal: :The British journal of ophthalmology 1997
M C Westcott A I McNaught D P Crabb F W Fitzke R A Hitchings

BACKGROUND Automated perimetry is of fundamental importance in assessing visual function in glaucoma. A technique was evaluated to perform high spatial resolution automated perimetry to allow a more detailed assessment of the luminance sensitivity in selected regions of the visual field than is possible with conventional perimetry. METHOD High spatial resolution perimetry was performed using ...

2004
H Beuther P Schilke F Gueth

We present high-spatial resolution Plateau de Bure Interferometer CO(2–1) and SiO(2–1) observations of one intermediate-mass and one high-mass star-forming region. The intermediate-mass region IRAS 20293+3952 exhibits four molecular outflows, one being as collimated as the highly collimated jet-like out-flows observed in low-mass star formation sources. Furthermore, comparing the data with addi...

2011
Alexei A. Kamshilin Serguei Miridonov Victor Teplov Riku Saarenheimo Ervin Nippolainen

We present a new method of formation photoplethysmographic images with high spatial resolution from video recordings of a living body in the reflection geometry. The method (patent pending) is based on lock-in amplification of every pixel of the recorded video frames. A reference function required for synchronous detection of cardiovascular pulse waves is formed from the same frames. The method...

2014
Christopher Reeder

This thesis presents two computational approaches for identifying chromatin interactions at high spatial resolution from ChIA-PET data. We introduce SPROUT which is a hierarchical probabilistic model that discovers high confidence interactions between binding events that it accurately locates. We apply SPROUT to CTCF ChIA-PET data from mouse embryonic stem cells and demonstrate that SPROUT disc...

Journal: :Information processing in medical imaging : proceedings of the ... conference 2015
Benoit Scherrer Onur Afacan Maxime Taquet Sanjay P. Prabhu Ali Gholipour Simon K. Warfield

Acquisition of a series of anisotropically oversampled acquisitions (so-called anisotropic "snapshots") and reconstruction in the image space has recently been proposed to increase the spatial resolution in diffusion weighted imaging (DWI), providing a theoretical 8x acceleration at equal signal-to-noise ratio (SNR) compared to conventional dense k-space sampling. However, in most works, each D...

2003
H. Guillou A. D. Kent M. S. Leung

The Hall response function of symmetric and asymmetric planar Hall effect devices is investigated by scanning a magnetized tip above a sensor surface while simultaneously recording the topography and the Hall voltage. Hall sensor geometries are tailored using a focused ion beam, in standard symmetric and asymmetric geometries. With this technique we are able to reduce a single voltage probe to ...

Journal: :Current opinion in plant biology 2001
J Kehr

Analysis of organisms using techniques that provide high spatial and temporal resolution is of increasing interest in many disciplines of biomedical research. Although the examination of animal tissues has been the main focus to date, the recent development and improvement of methods for the sampling and handling of single cells and for their biochemical analysis now provide tools for investiga...

Journal: :Journal of Geographical Systems 2002
Daniel A. Griffith

As either the spatial resolution or the spatial scale for a geographic landscape increases, both latent spatial dependence and spatial heterogeneity also will tend to increase. In addition, the amount of georeferenced data that results becomes massively large. These features of high spatial resolution hyperspectral data present several impediments to conducting a spatial statistical analysis of...

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