Skripsi
PERBANDINGAN PERFORMA U-NET DAN SWIN UNETR PADA SEGMENTASI CITRA MRI TUMOR OTAK
Brain tumors require rapid and accurate diagnosis, while manual segmentation of Magnetic Resonance Imaging (MRI) scans is time-consuming and highly dependent on expert knowledge. This study compares the performance of two deep learning architectures for brain tumor segmentation, namely 3D U-Net and Swin UNETR, trained and validated using the BraTS dataset and evaluated on unseen cases. Model performance was assessed using the Dice Similarity Coefficient (DSC), Intersection over Union (IoU), and the 95th percentile Hausdorff Distance (HD95). Experimental results show that 3D U-Net achieved an average Dice score of 0.767, IoU of 0.673, and HD95 of 7.1 mm, while Swin UNETR obtained higher performance with an average Dice of 0.824, IoU of 0.741, and HD95 of 6.7 mm. Overall, Swin UNETR demonstrates superior segmentation performance across all evaluation metrics, particularly in challenging regions such as the enhancing tumor (ET), whereas 3D U-Net offers advantages in computational efficiency and faster inference time. These findings indicate a trade-off between accuracy and efficiency, suggesting that model selection should be tailored to specific clinical application requirements.
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