articlePhysiological MeasurementJun 1, 2009ARGREEN OA

GREIT: a unified approach to 2D linear EIT reconstruction of lung images

AAAndy AdlerJHJohn H. ArnoldRBRichard BayfordABAndrea BorsicBBBrian Brown

Carleton University · Middlesex University · +13 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

Electrical impedance tomography (EIT) is an attractive method for clinically monitoring patients during mechanical ventilation, because it can provide a non-invasive continuous image of pulmonary impedance which indicates the distribution of ventilation. However, most clinical and physiological research in lung EIT is done using older and proprietary algorithms; this is an obstacle to interpretation of EIT images because the reconstructed images are not well characterized. To address this issue, we develop a consensus linear reconstruction algorithm for lung EIT, called GREIT (Graz consensus Reconstruction algorithm for EIT). This paper describes the unified approach to linear image reconstruction developed…

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Topics & keywords

Topics
Keywords
  • Electrical impedance tomography
  • Iterative reconstruction
  • Figure of merit
  • Algorithm
  • Computer science
  • Wavelet
  • Sensitivity (control systems)
  • Reconstruction algorithm
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