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3D Measurement of Chronic Wounds in Routine Care: A Review with Practical Guidance for Smartphone Photogrammetry
Kevin Moj1, Igor Arseniy2, Krzysztof Żak3
1Faculty of Mechanical Engineering, Opole University of Technology, 76 Proszkowska St., 45-758, Opole, Poland. ke.moj@po.edu.pl.
Annals of Biomedical Engineering
|May 13, 2026
Summary
Smartphone photogrammetry offers a practical solution for chronic wound monitoring, providing repeatable 3D measurements crucial for effective clinical management. Standardization and quality control are key to its reliable implementation in routine care.
Area of Science:
- Digital health technologies
- Medical imaging and measurement
- Wound care and management
Background:
- Chronic wounds present significant clinical and economic challenges.
- Objective, repeatable monitoring is essential for effective wound management.
- Smartphone photogrammetry offers a cost-effective alternative to dedicated scanners for 3D wound metrics.
Purpose of the Study:
- To identify and organize digital methodologies for wound measurement and monitoring.
- To emphasize smartphone photogrammetry as a practical tool for routine clinical care.
Main Methods:
- Conducted a scoping review of digital wound measurement methodologies.
- Organized approaches by acquisition, reconstruction, and analysis stages.
- Catalogued metrics (area, depth, volume) and summarized validation, comparison, and implementation factors.
- Presented a practical photogrammetry workflow with quality control (QC) gates.
Main Results:
- Trend analysis (e.g., percentage reduction over time) is clinically relevant.
- Measurement consistency and repeatability are more critical than single-point accuracy.
- 3D metrics (depth, volume) offer more comprehensive wound assessment than 2D measurements, especially for deep wounds.
- Acquisition conditions (angle, lighting, stability, markers) significantly impact result quality.
- Comparability of volume measurements is limited by inconsistent definitions and reporting.
Conclusions:
- Smartphone photogrammetry is a promising solution for clinics and telemedicine.
- Standardization of acquisition, integration of QC gates, and transparent metric definitions are vital for efficacy.
- These measures will improve comparability and facilitate reliable wound assessments across different settings.
