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A fully automatic calibration framework for navigated ultrasound imaging.

Matthias Peterhans¹, Sylvain Anderegg, Philippe Gaillard

¹ARTORG Center for Computer-Aided Surgery at the Institute for Surgical Technology and Biomechanics, University of Bern, Switzerland. matthias.peterhans@istb.unibe.ch

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|November 25, 2010

Summary

This study introduces an automated ultrasound calibration device for navigated liver surgery. This innovation allows for fast, user-independent 3D image acquisition during surgery.

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Area of Science:

Medical imaging
Surgical navigation
Image-guided surgery

Background:

Navigated ultrasound (US) imaging is crucial for intra-operative 3D data acquisition in image-guided surgery.
Accurate calibration of ultrasound devices is essential for precise surgical navigation.

Purpose of the Study:

To develop and integrate a compact, user-friendly ultrasound calibration device for navigated liver surgery.
To minimize user interaction and automate the calibration process for intra-operative use.

Main Methods:

Design of a compact ultrasound calibration device.
Integration into a software application for navigated liver surgery.
Automatic detection, image segmentation, calibration transform calculation, and result validation.

Main Results:

A fast, interaction-free, and fully automatic ultrasound calibration procedure was achieved.
The system enables intra-operative ultrasound calibration to be performed by surgical users.

Conclusions:

The developed automated calibration system significantly simplifies and speeds up the process of ultrasound calibration for navigated liver surgery.
This technology enhances the usability and efficiency of image-guided surgical procedures.