Physical embedded cascade synergic multi-frequency electrical impedance tomography method and related device

By employing a physically embedded cascaded collaborative multi-frequency electrical impedance tomography method, the challenge of lesion reconstruction and classification in multi-layered heterogeneous structures of the brain has been solved, achieving accurate lesion reconstruction and type differentiation, and improving the reliability of imaging and clinical classification capabilities.

CN122398259APending Publication Date: 2026-07-17FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FOURTH MILITARY MEDICAL UNIVERSITY
Filing Date
2026-04-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing multi-frequency electrical impedance tomography (EIT) technology struggles to accurately reconstruct and classify lesions in multi-layered heterogeneous structures of the brain. Traditional methods cannot overcome nonlinear signal aliasing, and the effectiveness of deep learning methods in complex brain scenarios remains to be verified.

Method used

The physical embedded cascaded collaborative multi-frequency electrical impedance tomography method is adopted. Through the physical information and data feature extraction fusion module, the physical information of the brain impedance is accurately extracted and shared features are constructed. Combined with the lesion prediction module and the type differentiation module, the lesion reconstruction and classification are realized.

Benefits of technology

It enables precise reconstruction and type differentiation of lesions in complex cranial scenarios, improves the reliability of imaging, makes up for the shortcomings of traditional methods, and can simultaneously realize lesion localization and clinical classification.

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Abstract

本发明属于多频电阻抗断层成像技术领域,公开了物理嵌入式级联协同多频电阻抗断层成像方法及相关设备,通过物理信息与数据特征提取融合模块,精准提取不同频率下颅脑阻抗物理信息的电压特征及颅脑隐式物理特征并实现融合,构建共享特征,有效克服了传统线性化算法无法处理的颅内组织信号非线性混叠问题,依托病灶预测模块与病灶类型区分模块的协同作用,提升了复杂颅脑场景下成像的可靠性,可同步实现病灶重建与类型区分,弥补了多数研究仅能定位病灶、缺乏临床分型能力的不足。
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