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Seeing inside the Body Using Wearable Sensing and Imaging Technologies
Sumin Kim1,2, Seunghun Han1,2, Sehwan Park1,2
1School of Biomedical Engineering, Korea University, Seoul, 02841, Republic of Korea.
Advanced Healthcare Materials
|August 6, 2025
Summary
Wearable health tech is shifting to proactive, real-time monitoring of internal organs. This review covers indirect sensing and direct imaging methods for personalized, preventive healthcare.
Area of Science:
- Biomedical Engineering
- Health Informatics
- Wearable Technology
Background:
- Growing demand for personalized, real-time health assessment.
- Shift towards proactive, preventive healthcare models.
- Need for accurate external monitoring of internal physiological states.
Purpose of the Study:
- Review wearable monitoring technologies for internal organ function.
- Focus on indirect sensing and direct imaging approaches.
- Discuss advancements in multimodal and direct visualization systems.
Main Methods:
- Exploration of indirect sensing methods (electrophysiological, physical, biochemical signals).
- Highlighting multimodal systems integrating various signals.
- Review of direct imaging technologies like wearable ultrasound and electrical impedance tomography (EIT).
Main Results:
- Indirect methods infer physiological states using surrogate signals.
- Multimodal systems address limitations of single-modality sensing.
- Direct imaging offers immediate insights into organ structure and function.
- Combined approaches enable internal visualization and assessment.
Conclusions:
- Wearable systems are advancing beyond surface monitoring.
- Integration of indirect and direct strategies enhances internal organ assessment.
- Potential to advance personalized and precision healthcare through continuous monitoring.
