Search Results for author: Dazhi Zhang

Found 3 papers, 0 papers with code

Re-initialization-free Level Set Method via Molecular Beam Epitaxy Equation Regularization for Image Segmentation

no code implementations13 Oct 2023 Fanghui Song, Jiebao Sun, Shengzhu Shi, Zhichang Guo, Dazhi Zhang

This method uses the crystal growth in the MBE process to limit the evolution of the level set function, and thus can avoid the re-initialization in the evolution process and regulate the smoothness of the segmented curve.

Computational Efficiency Image Segmentation +2

Stationary Point Losses for Robust Model

no code implementations19 Feb 2023 Weiwei Gao, Dazhi Zhang, Yao Li, Zhichang Guo, Ovanes Petrosian

CE loss sharpens the neural network at the decision boundary to achieve a lower loss, rather than pushing the boundary to a more robust position.

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