ArticleJournal of electrical bioimpedance2026
Ultrasound-guided structural fusion enhances the interpretability of electrical impedance tomography for layered tissue imaging.
Article in Journal of electrical bioimpedance, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Electrical Impedance Tomography (EIT) provides low-cost functional impedance imaging, whereas ultrasound offers high-resolution morphological visualization. In this study, a hybrid Ultrasound-EIT (EIT-US) fusion framework is developed for soft-tissue characterization in layered ex vivo biological phantoms using controlled chicken tissue models. A custom EIT acquisition system recorded 208 boundary voltage measurements per acquisition across three tissue layers and multiple frequency-voltage conditions, with experiments repeated across three anatomical tissue configurations. Five FEM-based reconstruction methods-Back Projection (BP), Gauss-Newton (GN), Tikhonov regularization (TIK), GREIT, and a linearized EIDORS-like approach-were implemented within a stand-alone MATLAB framework. Ultrasound images acquired using a GE VScan Air CL probe (musculoskeletal mode) were integrated with EIT reconstructions through a multimodal fusion pipeline incorporating impedance imaging, ultrasound texture-echogenicity mapping, and statistical correlation analysis. Quantitative evaluation demonstrated consistent layer differentiation with moderate structural-electrical agreement (
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