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3D electrical impedance tomography

Design of a microscopic electrical impedance tomography system for 3D continuous non-destructive monitoring of tissue culture

Design of a microscopic electrical impedance tomography system for 3D continuous non-destructive monitoring of tissue culture

... The natural healing of cartilage rarely occurs after damage because cells in lacunae are surrounded by cartilaginous matrix molecules and cannot migrate to a wound site [5]. Autologous chondrocytes implantation (ACI) has ...

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In vivo bioimpedance changes during haemorrhagic and ischaemic stroke in rats: Towards 3D stroke imaging using electrical impedance tomography

In vivo bioimpedance changes during haemorrhagic and ischaemic stroke in rats: Towards 3D stroke imaging using electrical impedance tomography

... contact impedance drift, or by the shifting of electrode positions over the course of the ...the impedance and voltage changes caused by a haemorrhage with volume 50 μl, injected over 10 min, and ischaemic ...

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Imaging fast electrical activity in the brain with electrical impedance tomography

Imaging fast electrical activity in the brain with electrical impedance tomography

... internal electrical impedance are reconstructed, usually using a numerical geometric model of the subject, such as a fi nite element model (FEM), and inverse mathematical ...the impedance and of ...

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Comparison of total variation algorithms for electrical impedance tomography

Comparison of total variation algorithms for electrical impedance tomography

... A Perspex cylindrical tank study was designed to validate the simulations and test the performance of these TV algorithms in 2D. A tank with the same properties as described for the simulations was used. Electrodes were ...

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Electrical impedance tomography as a tool for phenotyping plant roots

Electrical impedance tomography as a tool for phenotyping plant roots

... Control (healthy) and P. brassicae-infected oilseed rape plants (variety Temple) were grown in horticultural com- post in EIT chambers. he chambers were illed with compost, initially using a complex, and time-consuming, ...

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Three Dimensional Electrical Impedance Tomography

Three Dimensional Electrical Impedance Tomography

... Simulated 3D images based on a 1,024 data set give a close representation of the original conductivity distribution with only limited Delta c n changes being ...

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Adaptive mesh refinement techniques for electrical impedance tomography

Adaptive mesh refinement techniques for electrical impedance tomography

... Our results indicate that it is possible to reduce the number of nodes required by at least a factor of three to obtain an accurate image reconstruction, over a uniform refinement strategy. This results in at least an ...

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Comparison of algorithms for non linear inverse 3D electrical tomography reconstruction

Comparison of algorithms for non linear inverse 3D electrical tomography reconstruction

... medical electrical impedance tomography the complexity of body shapes and components requires a large number of mesh elements which raises new computer capacity problems on single processor ...

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Noninvasive Stroke Volume Monitoring by Electrical Impedance Tomography

Noninvasive Stroke Volume Monitoring by Electrical Impedance Tomography

... the 3D surface of the subject’s thorax was acquired using a dedicated software (ReconstructMe, version ...a 3D camera (Kinect XBOX 360, Microsoft, Redmond, ...a 3D image is shown in Figure ...

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Towards Patient-specific Electrical Impedance Tomography using 3D Thorax Models

Towards Patient-specific Electrical Impedance Tomography using 3D Thorax Models

... BioMesh 3D, thereby also smoothing the rather blocky contours which result from the anisotropic volume ...BioMesh 3D computes median axes and a sizing field (Figure ...incorporating electrical ...

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Electrical Impedance Tomography using EIDORS in a Closed Phantom

Electrical Impedance Tomography using EIDORS in a Closed Phantom

... Electrical Impedance Tomography is an imaging technique which images the resistivity distribution of the ...(Electrical Impedance and Diffused Optical Reconstruction Software) is an ...

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A REVIEW ON BREAST ELECTRICAL IMPEDANCE TOMOGRAPHY CLINICAL ACCURACY

A REVIEW ON BREAST ELECTRICAL IMPEDANCE TOMOGRAPHY CLINICAL ACCURACY

... breast impedance distribution which is based on the structural parameters of human breast tissue or metabolic processes in the tissues of interest and in the surrounding ...

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Imaging from Wave Propagation. Travel Time Tomography, Boundary Rigidity and Electrical Impedance Tomography

Imaging from Wave Propagation. Travel Time Tomography, Boundary Rigidity and Electrical Impedance Tomography

... Travel Time Tomography, Boundary Rigidity and Electrical Impedance.. Tomography.[r] ...

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Modern Trends in Development of Electrical Impedance Tomography in Medicine

Modern Trends in Development of Electrical Impedance Tomography in Medicine

... With that, the main areas of research are the following: optimal placement of electrodes and lead system; effective materials for electrodes; optimal amperage; optimal frequency; defining necessary and sufficient number ...

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Recent progress on Frequency Difference Electrical Impedance Tomography

Recent progress on Frequency Difference Electrical Impedance Tomography

... Electrical Impedance Tomography(EIT) is a non-invasive imaging technique which aims to provide the cross- sectional distribution of electrical impedance inside the human ...the ...

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Digital biomedical electrical impedance tomography based on FPGA

Digital biomedical electrical impedance tomography based on FPGA

... From the figure, we know that the channels’ consis- tency is not as good as expected. There are several fac- tors affecting the consistency, such as electrodes size, installation spacing, communication cables’ ...

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An Influence of the Noise on the Imaging Algorithm in the Electrical Impedance Tomography

An Influence of the Noise on the Imaging Algorithm in the Electrical Impedance Tomography

... the electrical current is injected according to the certain driven pattern, and the electrical potential of the body’s surface is measured by the ...injected electrical cur- rent is at a sufficiently ...

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A Novel Framework for Head Imaging with Electrical Impedance Tomography

A Novel Framework for Head Imaging with Electrical Impedance Tomography

... Previous head segmentations for Electrical Impedance Tomography were based on either a CT scan and then morphing a brain into the shape of the skull (Vonach et al., 2012), or on MRI scans with poor ...

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Cardiac mapping of electrical impedance tomography by means of a wavelet model

Cardiac mapping of electrical impedance tomography by means of a wavelet model

... in impedance during the first half of the cardiac cy- ...in impedance was ...the impedance signal of the reference pixel using as wavelet-mother the gaus4 to obtain the space of coefficients in the ...

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Optimized breath detection algorithm in electrical impedance tomography

Optimized breath detection algorithm in electrical impedance tomography

... The main scope of this study is to define a specific clinical parameter using an EIT device to achieve an optimised breath delineation for neonates and premature newborns that may have irregular breathing pattern [15]. A ...

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