Then we construct merging cost according to the likelihood difference function and region shape constrains, and make regions to be merged with order.
然后根据似然差函数和区域的形状的约束建立融合代价，使得所有可以融合的区域按照一定的顺序融合。
First, time replaced by altitude and dynamic pressure as the independent variable of nonlinear equations of motion, which make the trajectory shape correlative to dynamic pressure constrains.
首先，将基于时间历程的质点动力学方程转化为基于高度剖面的质点动力学方程，同时利用动压代替速度，使轨迹形状直接和动压约束相关。
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.
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 prior region constrains the zero level set evolving in certain region and the prior shape pulls the curve to the ideal contour.
先验区域限制水平集在特定区域迭代，先验形状使曲线向理想轮廓演化。
The prior region constrains the zero level set evolving in certain region and the prior shape pulls the curve to the ideal contour.
先验区域限制水平集在特定区域迭代，先验形状使曲线向理想轮廓演化。
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