A visual probe localization and calibration system for cost-effective computer-aided 3D ultrasound

Area of Science:

• Medical Imaging
• Computer Vision
• Biomedical Engineering

Background:

• Conventional 3D ultrasound systems offer superior image quality but are prohibitively expensive.
• Limited access to advanced 3D ultrasound hinders widespread adoption in many healthcare settings.

Purpose of the Study:

• To develop a cost-effective system for reconstructing 3D ultrasound images.
• To utilize readily available 2D ultrasound equipment and a digital camera for 3D imaging.

Main Methods:

• Employing computer vision techniques to track the ultrasound probe's position during scanning.
• Calibrating the ultrasound probe to determine scan offsets relative to a marker.
• Scanning geometrical objects and human body parts with the modified 2D ultrasound system.

Main Results:

• Successful reconstruction of 3D volumes for scanned objects.
• Demonstrated feasibility in clinical settings with human body part scans.
• Encouraging results confirmed by medical staff, validating the system's potential.

Conclusions:

• The proposed system offers a viable, low-cost alternative for computer-aided 3D ultrasound.
• Integration of 2D ultrasound and digital camera technology enhances accessibility to 3D imaging.
• This approach holds significant promise for widespread implementation in resource-limited environments.