Needle tip force estimation by deep learning from raw spectral OCT data.
Journal:
International journal of computer assisted radiology and surgery
Published Date:
Jul 22, 2020
Abstract
PURPOSE: Needle placement is a challenging problem for applications such as biopsy or brachytherapy. Tip force sensing can provide valuable feedback for needle navigation inside the tissue. For this purpose, fiber-optical sensors can be directly integrated into the needle tip. Optical coherence tomography (OCT) can be used to image tissue. Here, we study how to calibrate OCT to sense forces, e.g., during robotic needle placement.