分割
计算机科学
模态(人机交互)
人工智能
情态动词
图像分割
融合
模式识别(心理学)
特征(语言学)
计算机视觉
尺度空间分割
图像融合
编码(集合论)
图像(数学)
语言学
化学
哲学
高分子化学
集合(抽象数据类型)
程序设计语言
标识
DOI:10.1007/978-3-031-43901-8_64
摘要
Magnetic Resonance Imaging (MRI) plays an important role in multi-modal brain tumor segmentation. However, missing modality is very common in clinical diagnosis, which will lead to severe segmentation performance degradation. In this paper, we propose a simple adaptive multi-modal fusion network for brain tumor segmentation, which has two stages of feature fusion, including a simple average fusion and an adaptive fusion based on an attention mechanism. Both fusion techniques are capable to handle the missing modality situation and contribute to the improvement of segmentation results, especially the adaptive one. We evaluate our method on the BraTS2020 dataset, achieving the state-of-the-art performance for the incomplete multi-modal brain tumor segmentation, compared to four recent methods. Our A2FSeg (Average and Adaptive Fusion Segmentation network) is simple yet effective and has the capability of handling any number of image modalities for incomplete multi-modal segmentation. Our source code is online and available at https://github.com/Zirui0623/A2FSeg.git .
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