Dear editor,This letter presents an automatic data augmentation algorithm for medical image segmentation.To increase the scale and diversity of medical images,we propose a differentiable automatic data augmentation al...Dear editor,This letter presents an automatic data augmentation algorithm for medical image segmentation.To increase the scale and diversity of medical images,we propose a differentiable automatic data augmentation algorithm based on proximal update by finding an optimal augmentation policy.Specifically,on the one hand,a dedicated search space is designed for the medical image segmentation task.On the other hand,we introduce a proximal differentiable gradient descent strategy to update the data augmentation policy,which would increase the searching efficiency.Results of the experiments indicate that the proposed algorithm significantly outperforms state-of-the-art methods,and search speed is 10 times faster than state-of-the-art methods.展开更多
基金This work was supported by the National Natural Science Foundation of China(62073126)the Hunan Provincial Natural Science Foundation of China(2020JJ2008)+1 种基金the Key Research and Development Program of Hunan Province(2022WK2011)the Science and Technology Program of Changsha(897202102345).
文摘Dear editor,This letter presents an automatic data augmentation algorithm for medical image segmentation.To increase the scale and diversity of medical images,we propose a differentiable automatic data augmentation algorithm based on proximal update by finding an optimal augmentation policy.Specifically,on the one hand,a dedicated search space is designed for the medical image segmentation task.On the other hand,we introduce a proximal differentiable gradient descent strategy to update the data augmentation policy,which would increase the searching efficiency.Results of the experiments indicate that the proposed algorithm significantly outperforms state-of-the-art methods,and search speed is 10 times faster than state-of-the-art methods.
