Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A transputer implemented algorithm for electrical impedance tomography.

M Zadehkoochak1, T K Hames, B H Blott

  • 1Department of Physics, University of Southampton, UK.

Clinical Physics and Physiological Measurement : an Official Journal of the Hospital Physicists' Association, Deutsche Gesellschaft Fur Medizinische Physik and the European Federation of Organisations for Medical Physics
|August 1, 1990
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Case of Cephaloma, Cured in the Foot, Subsequently Developed in Various Internal Organs.

Provincial medical & surgical journal·2010
Same author

Case of Sudden Death, Connected with Pregnancy: Phlebitis and Duodenitis.

Provincial medical & surgical journal·2010
Same author

Computation of photoelectric work functions using the fowler analysis.

Applied optics·2010
Same author

Imaging of free-space interference patterns used to manufacture fiber bragg gratings.

Applied optics·2008
Same author

Adaptive mesh refinement techniques for electrical impedance tomography.

Physiological measurement·2001
Same author

High fidelity imaging and high performance computing in nonlinear EIT.

Physiological measurement·2000
Same journal

Changes of erythropoietic and storage iron components in certain clinical situations as evaluated by ferrokinetic investigations.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

An error study on some linear reconstruction algorithms for electrical impedance tomography.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Effects of myocardial electrotonic interaction on the sequence of excitation and repolarisation and on T wave polarity. Computer modelling experiments.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Spectrophotometric measurements of haemoglobin saturation and concentration in skin during the tuberculin reaction in normal human subjects.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Antimony electrode for the determination of the intramyocardial pH during open-heart surgery.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

A thermal clearance probe for continuous monitoring of cerebral blood flow.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
See all related articles

A new algorithm for electrical impedance tomography (EIT) provides more accurate imaging. This advanced EIT method, using the Yorkey/Kaczmarz approach, improves the representation of impedance distributions in medical applications.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Electrical Engineering

Background:

  • Electrical impedance tomography (EIT) is a non-invasive imaging technique with significant clinical potential.
  • Previous EIT methods, like Brown's isopotential approach, faced challenges with the backprojection problem.

Purpose of the Study:

  • To develop a less restrictive algorithm for EIT image reconstruction.
  • To implement and evaluate a new algorithm for real-time EIT imaging.

Main Methods:

  • Developed a novel EIT algorithm based on the work of Yorkey and Kaczmarz.
  • Implemented the algorithm on a transputer using Occam 2 for real-time processing.
  • Collected data from a test object and a human thorax using a Sheffield prototype EIT system.

Related Experiment Videos

Main Results:

  • Compared image processing results from the 'Sheffield' algorithm and the Yorkey/Kaczmarz algorithm.
  • The Yorkey/Kaczmarz algorithm generated images that were more representative of the actual impedance distributions.
  • Achieved real-time imaging capabilities through transputer implementation.

Conclusions:

  • The developed Yorkey/Kaczmarz based EIT algorithm offers improved accuracy in reconstructing impedance distributions.
  • This advancement holds promise for enhanced clinical applications of EIT.
  • Real-time imaging is feasible with the implemented transputer system.