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Robust electrical impedance tomography for biological application: A mini review.
Yang Li1, Nan Wang1, Li-Feng Fan2
1College of Information and Electrical Engineering, China Agricultural University, China.
Heliyon
|April 24, 2023
Summary
Electrical impedance tomography (EIT) offers low-cost, radiation-free imaging. This review examines EIT hardware strategies, focusing on high signal-to-noise ratio and fast scanning for robust system development.
Area of Science:
- Biomedical Engineering
- Medical Imaging
- Electrical Engineering
Background:
- Electrical impedance tomography (EIT) is a valuable, non-invasive imaging technique.
- It utilizes low-cost, radiation-free electrical conductivity measurements.
- Complex conductivity analysis is key for evaluating physiological changes in bioimpedance experiments.
Purpose of the Study:
- To review and analyze hardware strategies for Electrical Impedance Tomography (EIT).
- To identify essential EIT hardware characteristics for robust system development.
- To guide the design of next-generation EIT systems with superior performance.
Main Methods:
- Literature review of EIT hardware strategies.
- Analysis of requirements for EIT hardware, including SNR, scanning speed, and impedance range.
- Exploration of design considerations for biological tissue imaging.
Main Results:
- EIT hardware requires a high signal-to-noise ratio (SNR) for accurate imaging.
- Fast scanning capabilities are crucial for dynamic physiological monitoring.
- Hardware must accommodate the wide impedance range of biological tissues.
Conclusions:
- Optimized EIT hardware is fundamental for advancing EIT research.
- Understanding current hardware strategies accelerates the development of robust EIT systems.
- This review provides guidance for designing high-performance EIT systems.
