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Hand bone segmentation in radioabsorptiometry images for computerised bone mass assessment
José M Sotoca1, José M Iñesta, Miguel A Belmonte
1Dpto. de Lenguajes y Sistemas Informáticos, Universidad Jaume I, Campus Riu Sec, E-12071 Castellón, Spain. sotoca@lsi.uji.es
Summary
This study introduces an automated system for measuring bone density from hand X-rays, using a point distribution model for accurate bone mass assessment in populations.
Area of Science:
- Radiology
- Biomedical Engineering
- Medical Imaging Analysis
Background:
- Accurate bone density measurement is crucial for diagnosing conditions like osteoporosis.
- Existing methods for bone mass assessment can be complex or require specialized equipment.
Purpose of the Study:
- To develop an automated radiographic X-ray absorptiometry system for precise bone mass assessment.
- To create a system easily applicable for population-wide screening using hand radiographs.
Main Methods:
- Automated measurement of hand bone density relative to an aluminum wedge.
- Utilizing a point distribution model to determine phalanx variation modes and localize bone boundaries.
- Calculating the average grey level of localized bone structures.
Main Results:
- The developed system automatically measures bone density from hand radiographs.
- Accurate localization of bone boundaries and calculation of average grey levels were achieved.
- The system demonstrated a high level of correlation when compared to established methods.
Conclusions:
- The automated system provides an accurate and reliable method for bone mass assessment.
- The system's ease of application makes it suitable for widespread population screening.
- This technology advances computerised radiographic absorptiometry for skeletal health monitoring.