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Abstract #2229

Uncertainty-guided task-specific multi-parametric MR image fusion for brain tissue segmentation and quantification

Cheng Li1, Weijian Huang1,2,3, Yousuf Babiker M. Osman1,2, Taohui Xiao1, Hua Han1,2, Hairong Zheng1, and Shanshan Wang1,3
1Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, 2University of Chinese Academy of Sciences, Beijing, China, 3Peng Cheng Laboratory, Shenzhen, China

Synopsis

Keywords: Analysis/Processing, Brain

Motivation: Existing techniques for multi-parametric MR imaging-based brain tissue segmentation typically employ a generic feature combination strategy without incorporating task-specific guidance, making it challenging to ensure effective fusion.

Goal(s): In this work, we aim to develop a task-specific multi-parametric MR image fusion framework to enhance the brain tissue segmentation and quantification accuracy.

Approach: During preliminary experiments, we have identified a close correlation between prediction uncertainties and prediction errors. Therefore, we propose an uncertainty-guided task-specific multi-parametric MR image fusion framework to enhance fusion efficiency and decrease prediction uncertainty.

Results: Experiments on the iSeg-2019 dataset demonstrate that the proposed method achieves better results than existing techniques.

Impact: The outcome of this work has the potential to be utilized in clinical practice to help physicians better monitor brain development and diagnose brain diseases. Meanwhile, the framework can be extended to diverse fields where multi-modal image fusion is required.

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Keywords