The model was implemented by level set method with a binary level set function to reduce the expensive computational cost of re-initialization of the traditional level set function.

该模型采用二值化水平集方法实现，避免了传统实现方法水平集函数需要重新初始化为符号距离函数，从而导致稳定性差、计算量大、实现复杂等缺点。

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The model was implemented by level set method with a binary level set function to reduce the expensive computational cost of re-initialization of the traditional level set function.

该模型采用二值化水平集方法实现，避免了传统实现方法水平集函数需要重新初始化为符号距离函数，从而导致稳定性差、计算量大、实现复杂等缺点。

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