Freehand 2D Ultrasound Probe Calibration for Image Fusion with 3D MRI/CT
This work addresses the need for accurate and affordable image fusion in surgical procedures, though it appears incremental as it builds on existing pose estimation techniques.
The authors tackled the problem of calibrating freehand 2D ultrasound probes to fuse images with 3D MRI/CT for surgical augmented reality, achieving near-millimeter accuracy with a cost-effective and rapid system.
The aim of this work is to implement a simple freehand ultrasound (US) probe calibration technique. This will enable us to visualize US image data during surgical procedures using augmented reality. The performance of the system was evaluated with different experiments using two different pose estimation techniques. A near-millimeter accuracy can be achieved with the proposed approach. The developed system is cost-effective, simple and rapid with low calibration error