Method for structural information fused electrical impedance tomography

A technology of electrical impedance tomography and structural information, applied in the direction of diagnosis, diagnostic recording/measurement, medical science, etc., to achieve the effect of improving image quality, improving analysis ability, and improving accuracy
CN101564294AActive Publication Date: 2009-10-28FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
FOURTH MILITARY MEDICAL UNIVERSITY
Publication Date
2009-10-28

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Abstract

The invention discloses a method for structural information fused electrical impedance tomography, which comprises the following steps: extracting internal structural information of an imaging target; converting the structural information into apriori information required by the electrical impedance tomography; performing the electrical impedance tomography by combining the obtained apriori information; and reconstructing structural information fused electrical impedance tomographic images to achieve the function. The method achieves the fused imaging of structural images and electrical impedance images, improves the accuracy of the electrical impedance images as functional images, improves the resolution of the images, and is helpful for a user to analyze the electrical impedance images at the same time.
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Description

technical field

[0001] The invention relates to a method for obtaining an internal impedance distribution image of a body to be measured by using an electrical impedance tomography (Electrical Impedance Tomography, EIT) technology, in particular to an electrical impedance tomography method for structural information fusion. Background technique

[0002] Electrical impedance tomography (Electrical Impedance Tomography, EIT) technology is to apply a weak alternating current excitation on the surface of the object to be tested, detect the voltage distribution of the boundary of the measured area from the corresponding detection electrodes, and reconstruct the object through the algorithm. The distribution image of electrical impedance or the distribution image of electrical impedance change inside the measured area, when the object to be measured is a living body, can further reflect the change of the electrical impedance characteristic of the internal tissue of the living body ...

Claims

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