A lightweight neural network with multiscale feature enhancement for liver CT segmentation

Author:

Ansari Mohammed Yusuf,Yang Yin,Balakrishnan Shidin,Abinahed Julien,Al-Ansari Abdulla,Warfa Mohamed,Almokdad Omran,Barah Ali,Omer Ahmed,Singh Ajay Vikram,Meher Pramod Kumar,Bhadra Jolly,Halabi Osama,Azampour Mohammad Farid,Navab Nassir,Wendler Thomas,Dakua Sarada Prasad

Abstract

AbstractSegmentation of abdominal Computed Tomography (CT) scan is essential for analyzing, diagnosing, and treating visceral organ diseases (e.g., hepatocellular carcinoma). This paper proposes a novel neural network (Res-PAC-UNet) that employs a fixed-width residual UNet backbone and Pyramid Atrous Convolutions, providing a low disk utilization method for precise liver CT segmentation. The proposed network is trained on medical segmentation decathlon dataset using a modified surface loss function. Additionally, we evaluate its quantitative and qualitative performance; the Res16-PAC-UNet achieves a Dice coefficient of 0.950 ± 0.019 with less than half a million parameters. Alternatively, the Res32-PAC-UNet obtains a Dice coefficient of 0.958 ± 0.015 with an acceptable parameter count of approximately 1.2 million.

Funder

Qatar National Research Fund,Qatar

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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