A Hybrid Attention-Based Residual Unet for Semantic Segmentation of Brain Tumoropen access
- Authors
- Khan, Wajiha Rahim; Madni, Tahir Mustafa; Janjua, Uzair Iqbal; Javed, Umer; Khan, Muhammad Attique; Alhaisoni, Majed; Tariq, Usman; Cha, Jae-Hyuk
- Issue Date
- Jun-2023
- Publisher
- TECH SCIENCE PRESS
- Keywords
- MRI volumes; residual Unet; BraTs-2020; squeeze -excitation (SE)
- Citation
- Computers, Materials and Continua, v.76, no.1, pp.647 - 664
- Indexed
- SCIE
SCOPUS
- Journal Title
- Computers, Materials and Continua
- Volume
- 76
- Number
- 1
- Start Page
- 647
- End Page
- 664
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/188386
- DOI
- 10.32604/cmc.2023.039188
- ISSN
- 1546-2218
- Abstract
- Segmenting brain tumors in Magnetic Resonance Imaging (MRI) volumes is challenging due to their diffuse and irregular shapes. Recently, 2D and 3D deep neural networks have become famous for medical image segmentation because of the availability of labelled datasets. However, 3D networks can be computationally expensive and require significant training resources. This research proposes a 3D deep learning model for brain tumor segmentation that uses lightweight feature extraction modules to improve performance without compromising contextual information or accuracy. The proposed model, called Hybrid Attention-Based Residual Unet (HA-RUnet), is based on the Unet architecture and utilizes residual blocks to extract low- and high-level features from MRI volumes. Attention and Squeeze-Excitation (SE) modules are also integrated at different levels to learn attention-aware features adaptively within local and global receptive fields. The proposed model was trained on the BraTS-2020 dataset and achieved a dice score of 0.867, 0.813, and 0.787, as well as a sensitivity of 0.93, 0.88, and 0.83 for Whole Tumor, Tumor Core, and Enhancing Tumor, on test dataset respectively. Experimental results show that the proposed HA-RUnet model outperforms the ResUnet and AResUnet base models while having a smaller number of parameters than other state-of-the-art models. Overall, the proposed HA-RUnet model can improve brain tumor segmentation accuracy and facilitate appropriate diagnosis and treatment planning for medical practitioners.
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