With regard to this situation, a segmentation method using threshold surface based on surface fitting is proposed.
针对这种情况，提出一种基于曲面拟合的阈值曲面分割方法。
This method includes two steps: surface fitting based on fairing constraint and adding offset to form the threshold surface.
这种方法首先对背景进行光顺限制的曲面拟合，再通过设置一个偏移量来形成阈值曲面。
When surface temperatures rise to a comfortable threshold, they emerge.
当地表温度上升到一个舒适的阈值时，它们就会浮现。
When surface temperatures rise to a comfortable threshold, they emerge. For a while they bask in the sunlight, crowded like bronzed tourists on the Costa del Sol.
当地面温度升到舒适的临界点时，它们就涌出来，像在太阳海岸晒成古铜色的游客一样挤在一起，在阳光下晒一会。
Below a certain threshold, they will not be strong enough to overcome the convective mixing of the gas at the surface, and spots will disappear altogether.
低于一定的临界值的话，它们将不足以克服表面气体的对流混合，因而太阳黑子将完全消失。
Above that threshold, the SFR increases linearly with that surface density.
高于阀值时，SFR随表面密度线性增长。
So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.
举个例子来说，我们谈论的临界频率是，光从金属表面逐出一个电子，所需的最小频率。
They discovered that star formation is pretty well non-existent until the surface density reaches a certain threshold in parts of the cloud.
他们发现恒星只有在表面密度达到一定的阀值时才会较好的形成。
In most applications the pre-set threshold temperature of probes with predetermined threshold levels and the temperature of the hot surface (of the medium) are not exactly the same.
在大多数预先设定的阈值与预定的临界水平和热表面(中期)温度探测器温度应用程序不完全相同。
As the laser fluence exceeds the threshold a mirror surface appears, otherwise, an oxide layer will be formed.
在阈值以上激光作用下不锈钢表面形成镜面，而在阈值以下则出现氧化层。
The performances of modern colour-difference formulae were investigated to evaluate very small colour difference at human eyes threshold level based on object surface colours.
基于物体表面色样本的视觉评价，测试常用色差公式在人眼阈值水平的微小色差预测性能。
Using the changing rate of maximum feed-rate as a threshold, the surface of the part is divided into different areas according to the values of normal curvature radius.
以最大工作进给速度的变化比率为阈值，把零件表面的法曲率半径划分为不同的区域；
Between the initial cleaning threshold and complete cleaning threshold, cleaning percentage of the surface increases with the increasing of laser fluence.
在起始清洗阈值和完全清洗阈值之间，清洁率随着激光能量密度的升高而增大。
While AlAs oxide confined aperture may reduce the threshold current of vertical-cavity surface emitting lasers (VCSELs), it might also enlarge the series resistance of the VCSELs.
含氧化限制孔的VCSEL具有低的阈值电流，但氧化孔的存在也会加大串联电阻。
The response of porous fence to the near-surface airflow can be characterized quantitatively by sand particles threshold wind velocity.
气流对栅栏的响应可以定量地用沙粒的起动风速来表征。
If you sink at first but then surface again, stay there and keep exhaling until you sink. Find your 'sinking threshold' and keep practising exhaling strongly until you can get down easily and quickly.
如果你一开始下沉但接着又浮上来，那么停在那里并保持呼气直到你下沉。
At 1 day before operation, all rats were tested regarding the withdrawal threshold of the left plantar surface using von Frey filaments to determine baseline values.
手术前1天，所有大鼠均用冯弗雷(von Frey)纤维刺激左足底来测试肢体回缩，建立肢体回缩的基准值。
At 1 day before operation, all rats were tested regarding the withdrawal threshold of the left plantar surface using von Frey filaments to determine baseline values.
手术前1天，所有大鼠均用冯弗雷(von Frey)纤维刺激左足底来测试肢体回缩，建立肢体回缩的基准值。
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