The secondary outcome measure was FFD (Finger-floor distance).
次要测量指标FFD（指地距）。
Direct manipulation of FFD improves controllability and efficiency of the deformation.
FFD的直接操作为变形提供了更直观更方便的控制手段。
Body modeling and FFD (Free form Deformation) methods are key techniques in the field of body digitalization.
人体曲面建模与自由变形方法是实现人体数字化的关键技术。
We improved FFD extrapolation operator to compensate the amplitude difference generated by geometry diffusion loss.
通过改进傅立叶有限差分的延拓算子，补偿了几何扩散损失引起的振幅误差。
Method A non-rigid registration method of multimodal medical images based on Free Form Deformation(FFD) was proposed.
方法提出一种基于自由变形模型的多模态医学图像的非刚性配准的方法。
Also, as it appears in the picture above, as soon as the lava exits the FFD box, it will pop back to its unmodified position.
另外，正如它像上图一样，一旦岩浆模型离开FFD变形盒的空间，它将返回未修改时的位置。
The worst case of DLPT algorithm is also discussed. It is described that DLPT algorithm is better than FFD algorithm in some ways.
给出了一个直观性算法，并研究这个算法的最坏情形，最后说明此算法在某些方面优于著名的FFD算法。
FFD (Free form deformation) is general approach for computer facial animation and express editing while troublesomely solving control point and unconspicuous deformation result.
自由变形(FFD)是计算机人脸动画和表情编辑的常用方法，但对控制点的反求和变形结果的不直观是该方法的不足。
FFD (Free form deformation) is general approach for computer facial animation and express editing while troublesomely solving control point and unconspicuous deformation result.
自由变形(FFD)是计算机人脸动画和表情编辑的常用方法，但对控制点的反求和变形结果的不直观是该方法的不足。
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