Our paper “Optimization-based calibration for intravascular ultrasound volume reconstruction” was presented at ASMUS 2025 (The 6th International Workshop on Advances in Simplifying Medical UltraSound), held as part of MICCAI 2025 in Daejeon, South Korea.
Intraoperative ultrasound images are inherently challenging to interpret in liver surgery due to the limited field of view and complex anatomical structures. Bridging the gap between preoperative and intraoperative data is crucial for effective surgical guidance.
In this work, we propose an optimization-based calibration method using a 3D-printed phantom for accurate 3D Intravascular Ultrasound (IVUS) volume reconstruction. The approach ensures precise alignment of tracked IVUS data with preoperative CT images, improving intraoperative navigation. We validated our method using in vivo swine liver images, achieving a calibration error from 0.88 to 1.80 mm and a registration error from 3.40 to 5.71 mm between the 3D IVUS data and the corresponding CT scan.
Authors: Karl-Philippe Beaudet, Sidaty El Hadramy, Philippe C. Cattin, Juan Verde, and Stéphane Cotin
Read the paper: hal-05226307 | DOI
