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Improving the Segmentation of Pediatric Low-Grade Gliomas through Multitask Learning

2021-11-29 21:12:47
Partoo Vafaeikia, Matthias W. Wagner, Uri Tabori, Birgit B. Ertl-Wagner, Farzad Khalvati
arXiv_CV
     
Abstract

Brain tumor segmentation is a critical task for tumor volumetric analyses and AI algorithms. However, it is a time-consuming process and requires neuroradiology expertise. While there has been extensive research focused on optimizing brain tumor segmentation in the adult population, studies on AI guided pediatric tumor segmentation are scarce. Furthermore, MRI signal characteristics of pediatric and adult brain tumors differ, necessitating the development of segmentation algorithms specifically designed for pediatric brain tumors. We developed a segmentation model trained on magnetic resonance imaging (MRI) of pediatric patients with low-grade gliomas (pLGGs) from The Hospital for Sick Children (Toronto, Ontario, Canada). The proposed model utilizes deep Multitask Learning (dMTL) by adding tumor's genetic alteration classifier as an auxiliary task to the main network, ultimately improving the accuracy of the segmentation results.

Abstract (translated)

URL

https://arxiv.org/abs/2111.14959

PDF

https://arxiv.org/pdf/2111.14959.pdf

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