A method for improving image reconstruction quality during the treatment of cerebral edema

By establishing a linear relationship between the boundary voltage measurement value and the degree of dehydration, combining a priori matrix and optimization method, the impact of scalp dehydration was suppressed, and the problem of degradation of image reconstruction quality in brain edema treatment was solved, and high-quality reconstruction of intracranial images was achieved.

CN115359142BActive Publication Date: 2025-07-22HENAN NORMAL UNIV
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Patent Information

Application Number
CN202211074685.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-01
Publication Date
2025-07-22
Estimated Expiration
2042-09-01

AI Technical Summary

Technical Problem

During the treatment of cerebral edema, the effect of scalp dehydration on the quality of intracranial image reconstruction was not effectively inhibited, resulting in a decrease in the quality of reconstructed image.

Method used

By establishing a linear relationship between the change of the boundary voltage measurement value and the degree of dehydration, combining the prior matrix to select the change of the boundary voltage measurement value caused by scalp dehydration alone, the conductivity distribution is optimized by the L1 regularization method and the alternating direction multiplier method to achieve reconstruction of intracranial images.

Benefits of technology

It effectively improves the spatial resolution of intracranial reconstruction images and improves imaging quality, especially in brain medical imaging.

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Abstract

The present invention discloses a method for improving the quality of image reconstruction during the treatment of cerebral edema. First, by determining the linear relationship between the change in the measured boundary voltage and the degree of dehydration, and then combining with the prior matrix to select the change in the measured boundary voltage caused solely by the scalp corresponding to the degree of dehydration, the image reconstruction of the intracranial dehydration region is achieved by suppressing the influence of scalp dehydration. The method proposed by the present invention can effectively improve the spatial resolution of the reconstructed image, thereby improving the imaging quality, and has a wide range of applicability and great application potential in electrical impedance tomography of the brain.
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