Sunday, March 6, 2022

A Deep Learning Framework for Real‐Time 3D Model Registration in Robot‐Assisted Laparoscopic Surgery

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Abstract

Introduction

The current study presents a Deep Learning framework to determine, in real-time, position and rotation of a target organ from an endoscopic video. These inferred data are used to overlay the 3D model of patient's organ over its real counterpart. The resulting augmented video flow is streamed back to the surgeon as a support during laparoscopic Robot-Assisted procedures.

Methods

This framework exploits semantic segmentation and, thereafter, two techniques, based on Convolutional Neural Networks and motion analysis, were used to infer the rotation.

Results

The segmentation shows optimal accuracies, with a mean IoU score greater than 80% in all tests. Different performance levels are obtained for rotation, depending on the surgical procedure.

Discussion

Even if the presented methodology has various degrees of precision depending on the testing scenario, this work sets the first step for the adoption of Deep Learning and Augmented Reality to generalize the automatic registration process.

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