static electrical impedance tomography
An Influence of the Noise on the Imaging Algorithm in the Electrical Impedance Tomography
... Electrical impedance tomography (EIT) is a non-invasive imaging technique, which aims to reconstruct images of internal electrical property (conductivity, permittivity and permeability in some ...
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Recent progress on Frequency Difference Electrical Impedance Tomography
... function, static EIT has suffered from forward computational model errors including boundary geometry and electrode positions uncertainty combined with the ill-posed and highly nonlinear nature of the ...
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Clinical implication of monitoring regional ventilation using electrical impedance tomography
... than static strain ...computed tomography have shown the importance of regional ventilation monitoring [4, ...computed tomography provides static information, mak- ing it difficult to analyze ...
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Digital biomedical electrical impedance tomography based on FPGA
... The signal processing circuit includes three parts: filtra- tion, amplification, and analog-to-digital conversion. The structure of signal processing circuits is shown in Figure 3. Considering the weakness of the signal, ...
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Design and Development of a Microscopic Electrical Impedance Tomography System
... electrodes, electrical instruments, and a PC with reconstruction algorithm ...device. Electrical instruments are devices that are used to transmit and receive the measurement from the ...
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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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Electrical Impedance Tomography using EIDORS in a Closed Phantom
... Thus Electrical Impedance Tomography is used to tackle challenging problem of detection of abnormalities in human tissue as well as the inhomogeneities in ...high electrical conductivity as ...
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Low Frequency Bio-Electrical Impedance Mammography and Dielectric Measurement
... XCIII. Methods of in silico Breast Phantom Experiment. To assess the capability of the sensor for breast cancer detection, and to evaluate the three types of image reconstruction (ie., conductance, permittivity and phase ...
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Optimization of the centre ground method of Electrical Impedance Tomography System
... :Electrical Impedance Tomography (EIT) is a non-invasive medical imaging technique where current is injected and voltages are measured through surface ...
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Development of an agilent voltage source for electrical impedance tomography applications
... Electrical Tomography (ET) is a new imaging technique well known for its portability, safety, inexpensiveness and ...called electrical resistance tomography ...called electrical ...
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DESIGN AND IMPLEMENTATION OF PRECISE HARDWARE FOR ELECTRICAL IMPEDANCE TOMOGRAPHY (EIT)
... Figure A1 shows different schematic circuits of the VCCS which have been used in practical tests. As it can be seen in Table A1, the results of several experiments are shown briefly. These tests were done on the ...
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Electrical impedance tomography imaging using a priori ultrasound data
... the electrical properties, ...an electrical current to the object using a set of electrodes, and measuring the developed voltage between other elec- ...
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Electrical impedance tomography system: an open access circuit design
... an electrical cur- rent to the object using a set of electrodes, and measuring the developed voltage between other electrodes ...Potential Tomography (APT) and Adaptive Current Tomography (ACT) ...
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A Precision Transconductance for Electrical Impedance Tomography Using CMOS Technology
... Creating device with multiple threshold voltage is to apply different bias voltage to the base terminal of the transistor. In this circuit apply different bias voltage to the transistors. These circuits have large ...
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A fast parallel solver for the forward problem in electrical impedance tomography
... Abstract—Electrical impedance tomography (EIT) is a noninva- sive imaging modality, where imperceptible currents are applied to the skin and the resulting surface voltages are ...
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Cardiac mapping of electrical impedance tomography by means of a wavelet model
... in Electrical impedance tomography (EIT) pulmonary perfusion images, a model of wavelet transform was ...Computerized Tomography scan (CT-scan) ...
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Electrical impedance tomography in acute respiratory distress syndrome
... regional impedance–time curves, the delay time was estimated between the begin- ning of the inspiration until the slope of the impedance/ time curve reached a certain percentage of the inspira- tory time in ...
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Electrical Impedance Tomography of human brain function
... Similar mechanisms to those discussed above are expected to cause impedance changes in humans. Non-invasive brain imaging has been performed by single photon emission computed tomography (SPECT), positron ...
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Measurement of ventilation and cardiac related impedance changes with electrical impedance tomography
... of impedance change ...related impedance signal without the need for filtering, but lacks the ability to measure the interactions between ventilation and cardiac ...
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Boundary Element formulation for Electrical Impedance Tomography
... Electrical Impedance Tomography (EIT) has recently been shown appropriate for estimating the values of tissue conductivities inside the head, particularly the skull-to-scalp conductivity ratio [1, 5, ...
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