Symmetry plane extraction is very important to the geometric model reconstruction of an object in reverse engineering.
在反求工程中，对称面提取对于点云的几何模型重建具有重要意义。
The algorithm is both efficient and roboust. More rational segmentation result can be obtained using the presented algorithm. (3) Fitted plane extraction using segmentation primitives from scan lines.
利用本文算法得到的提取结果更加准确，扫描点的分割归属更加合理，为后续的拟合平面提取计算提供了更加可靠的基础数据。
According to the feature extraction of the handwritten Chinese character recognition, an improved extracting stroke plane method was proposed.
针对手写体汉字识别过程中的特征抽取，提出了一种改进的抽取笔画平面的方法。
By using calibrated image, it can measure plane absolute displacement of worktable automatically via feature point extraction and gray vector matching.
该方法采用事先通过标定的图像，对自然标志(特征点)的提取和基于灰度向量匹配来完成绝对位移的测量。
This thesis mainly study the extraction of midsaggital plane(MSP) and location of anterior commissure(AC) and posterior commissure(PC) on MR data.
本文主要对MR数据中矢面的提取以及中矢面上AC和PC点的确定问题进行了研究。
Firstly, a TF region extraction method based on energy threshold is designed to identify the clustered energy of the signaland to extract the regions in TF plane occupied by clustered energy;
首先，设计了一种基于能量阈值的时频区域提取方法，识别出信号在时频面上的能量峰，并提取出能量峰所占据的时频区域；
Segmentation and tracking of video moving object is used for guiding the extraction of video object plane from the video sequence.
为了生成视频对象面，需要对视频序列中的运动对象进行有效的分割；
The concept of local energy in time-frequency plane, based on local wave theory, is defined. Then a new feature extraction method based on the local energy in time-frequency plane is given.
在局域波理论的基础上，引入了时频局部能量的概念，进而提出了一种基于时频局部能量的特征提取方法。
Based on a STL file of thin-wall part, which can be produced by almost each commercial CAD software, an algorithm is proposed for Mid-plane mesh model extraction.
基于商用CAD软件生成的用STL文件表示的薄壁注塑件实体模型，给出了表面有限元网格模型的生成方法。
Based on a STL file of thin-wall part, which can be produced by almost each commercial CAD software, an algorithm is proposed for Mid-plane mesh model extraction.
基于商用CAD软件生成的用STL文件表示的薄壁注塑件实体模型，给出了表面有限元网格模型的生成方法。
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