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Multimodal 3D-MRI Brain Tumor Segmentation via Modified 3D U-Net with Transformer / Hussain Nasir Khan

By: Khan, Hussain Nasir Contributor(s): Supervisor : Dr. Kashif Javed Material type: Text

TextIslamabad : SMME- NUST; 2023Description: 61p. Soft Copy 30cmSubject(s): MS Robotics and Intelligent Machine EngineeringDDC classification: 629.8 Online resources: Click here to access online Summary: Accurate brain tumor segmentation in 3D magnetic resonance imaging (MRI) scans is pivotal for medical diagnosis and treatment planning. This master’s thesis introduces an advanced approach for multimodal 3D-MRI brain tumor segmentation. Our methodology combines a modified 3D U-Net architecture with Transformer-based self-attention, and dilated convolution layers. By leveraging multimodal information from T1-weighted, T2-weighted, T1 Contrast Enhanced (T1CE) Imaging and FLAIR MRI sequences within the BraTS 2023 dataset, our method significantly enhances segmentation precision. The modified 3D U-Net with Transformer and dilated convolution layers enables effective capture of both local and global contextual information, facilitating the identification of complex structures and long-range dependencies within volumetric MRI data. Thorough experimentation and evaluation, including comparisons with 3D U-Net and its variants, highlight the superiority of our proposed model in terms of brain tumor delineation accuracy. These findings emphasize the potential of this hybrid architecture to advance medical image analysis, providing substantial benefits to patient care.

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Item type	Current location	Home library	Shelving location	Call number	Status	Date due	Barcode	Item holds
Thesis	School of Mechanical & Manufacturing Engineering (SMME)	School of Mechanical & Manufacturing Engineering (SMME)	E-Books	629.8 (Browse shelf)	Available		SMME-TH-933

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Accurate brain tumor segmentation in 3D magnetic resonance imaging (MRI) scans is
pivotal for medical diagnosis and treatment planning. This master’s thesis introduces an
advanced approach for multimodal 3D-MRI brain tumor segmentation. Our methodology
combines a modified 3D U-Net architecture with Transformer-based self-attention, and dilated
convolution layers. By leveraging multimodal information from T1-weighted, T2-weighted, T1
Contrast Enhanced (T1CE) Imaging and FLAIR MRI sequences within the BraTS 2023 dataset,
our method significantly enhances segmentation precision. The modified 3D U-Net with
Transformer and dilated convolution layers enables effective capture of both local and global
contextual information, facilitating the identification of complex structures and long-range
dependencies within volumetric MRI data. Thorough experimentation and evaluation, including
comparisons with 3D U-Net and its variants, highlight the superiority of our proposed model in
terms of brain tumor delineation accuracy. These findings emphasize the potential of this hybrid
architecture to advance medical image analysis, providing substantial benefits to patient care.

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