第二项是形状能量项，它保证主动轮廓在统计形状模型所允许的范围下形变；
The second term is based on the shape information, which constrains the active contour to approach a shape compatible with a statistical shape model of the shape of interest.
基于热力学对比状态理论，建立了形状因子对应态的统计力学模型。
Based on the contrast state theory, the statistical mechanics model of form factor contrast state was established.
基于热力学对比状态理论，建立了形状因子对应态的统计力学模型。
Based on the contrast state theory, the statistical mechanics model of form factor contrast state was established.
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