Deep Learning for in vivo Bronchial Carinae Detection in Flexible Bronchoscopy release_7tllx5l3zzgh7gdcs6g7n2rtme

by Robin Ghyselinck, Valentin Delchevalerie, Pierre Poitier, Benoît Frénay, Bruno Dumas

Published in Frontiers in Artificial Intelligence and Applications by IOS Press.

2024  

Abstract

Early lung cancer detection strongly increases survival rate. During a navigational bronchoscopy, pulmonologists perform tissue sampling for biopsies based on preoperative medical images. The bronchial carina is an airway structure that appears at each bronchus bifurcation. It is an important landmark to detect during navigations as it indicates the need to choose between multiple paths and keep track of the position in the lungs. In this paper, we assessed various deep learning pipelines including the use of semi-supervised, segmentation and recurrent methods under different setups to perform bronchial carinae detection. In contrast to most previous works that focus on phantoms, cadavers or virtual images, we exploit a large corpus of proprietary in vivo data captured during real endoscopic procedures using a mini probe. To the best of our knowledge, it is the first work that deals with this quantity of real and challenging data. After performing a comparison study, we conclude that the best performance to detect bronchial carinae is achieved by a semi-supervised pipeline that leverages the ability of nnU-Net to solve segmentation tasks, coupled with Gated Recurrent Units that extracts temporal contexts from image sequences.
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Date   2024-10-16
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