[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Sinton et al., 1992 - Google Patents

Noise and spatial resolution of a real-time electrical impedance tomograph

Sinton et al., 1992

Document ID
8212091071641434373
Author
Sinton A
Brown B
Barber D
McArdle F
Leathard A
Publication year
Publication venue
Clinical Physics and Physiological Measurement

External Links

Snippet

The Sheffield real-time electrical impedance tomograph produce 25 images per second, using 16 electrodes with adjacent-pair current drive and non-iterative image reconstruction. We describe the data acquisition timing of this instrument and present quantitative …
Continue reading at iopscience.iop.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body

Similar Documents

Publication Publication Date Title
US5626146A (en) Electrical impedance tomography
US4528985A (en) Blood vessel imaging system using nuclear magnetic resonance
Gewalt et al. MR microscopy of the rat lung using projection reconstruction
DE3751715T2 (en) Time-grouped coding device for heart and respiratory signals and method for grouping the same
US5447155A (en) High temporal resolution black blood cine imaging
Iida et al. Use of the left ventricular time-activity curve as a noninvasive input function in dynamic oxygen-15-water positron emission tomography
Riederer et al. The noise power spectrum in computed X-ray tomography
Barber Quantification in impedance imaging
Zhou et al. Monotonicity-based electrical impedance tomography for lung imaging
US9581627B2 (en) Method and system for tomographic imaging
DE102008007048B4 (en) Dynamic distortion correction in EPI measurements in medical magnetic resonance imaging
Sinton et al. Noise and spatial resolution of a real-time electrical impedance tomograph
JPH0350545B2 (en)
DE2951537A1 (en) TEMPERATURE METHOD
Bauman et al. Three‐dimensional pulmonary perfusion MRI with radial ultrashort echo time and spatial–temporal constrained reconstruction
JP6523730B2 (en) Magnetic resonance imaging system
Gowland et al. Fast and accurate measurements of T1 using a multi‐readout single inversion‐recovery sequence
CN109188326A (en) MR imaging method and magnetic resonance system
Barber et al. Image reconstruction in electrical impedance tomography using filtered back-projection
Kuppusamy et al. Three‐dimensional gated EPR imaging of the beating heart: time‐resolved measurements of free radical distribution during the cardiac contractile cycle
DE102014209803B4 (en) 4D velocity profile image acquisition with a magnetic resonance system
DE19502576A1 (en) Computer tomograph using X-ray beam to reconstruct tomographic image of human organ
CN102599908B (en) Electrical impedance tomography method based on gridding displacement model with balance factor
Meeson et al. The dependence of EIT images on the assumed initial conductivity distribution: a study of pelvic imaging
Isenberg et al. Radionuclide axial tomography by half back-projection