point cloud

Automatic registration of point clouds based on 3D vision reconstruction system of parallel robot;

基于并联机构的三维视觉重构系统点云自动配准

Automatic breakline extraction from LIDAR point clouds;

基于机载激光雷达点云的断裂线自动提取方法

Topological features detection and automatic segmentation of point clouds from human body surface;

人体表面点云数据的拓扑特征检测与自动分割

Extracting technology of point cloud edge based on template;

基于模板的点云边特征提取技术

Method for direct extraction of boundary from point clouds of freeform surface;

一种自由曲面点云边界的快速直接提取方法

Reconstruction of 3D pillars based on incomplete point cloud data;

基于不完整点云数据的3D柱状模型快速重建

Fast algorithm for surface reconstruction from cloud data based RBF neural network;

基于RBF神经网络的点云数据曲面重建快速算法

The acquired 3-D points cloud data are processed for smoothing,reduction,extracting of feature lines,segmentation,free form surface modeling etc to achieve reconstruction of the crowns.

利用三维激光扫描仪扫描全牙列模型,对获得的数据进行处理,重构牙冠的三维图形;将获得的三维点云数据进行处理,包括数据平滑、数据精简、特征提取、数据分割、自由曲面建模等实现牙冠的三维重构;得到牙冠的三维重建数字模型,可用于全冠的计算机辅助制作,并结合中国人的标准牙冠数据,对其调整变形,得到标准的牙冠模型;该技术将会为口腔医生带来便利和高效。

The parameterization of points clouds has an important impact on the fairness of body in reverse engineering.

随着汽车工业的发展,人们对车身光顺提出了更高的要求,在汽车车身反求过程中,点云的参数化将对光顺性起着重要的影响作用。

A novel approach to points cloud fitting was given.

提出了对点云数据进行曲面拟合的一种新方法,它基于一类L2[0,1]上完备正交的函数系(称之为V-系统)。

With the characteristic of 3D laser scanning on road and the distribution analysis of points cloud s normal vectors,the filtering algorithm based on fuzzy clustering of normal vectors is proposed.

针对道路面三维激光扫描的特点,结合点云法向量分布特征,提出了基于法向量模糊聚类的点云数据滤波算法。

The 2D Euler equations are solved with the explicit gridless method,which uses only clouds of points and does not require that the points be connected to form a grid as in conventional CFD algorithms.

无网格算法区域离散用"点云"代替传统的网格算法中的网格划分。

A quadrantal point infilling strategy is developed to generate point and combine clouds of points automatically.

在点云离散的基础上,运用曲面拟合和AUSM+-up格式求得数值通量;采用四步龙格-库塔方法进行时间推进,并引入当地时间步长和残值光顺等加速收敛措施。

On the base of the distributed clouds of points,a least-squares fitting and the AUSM+_up scheme is used to obtain the numerical flux.

在一种布置点云方法的基础上,发展一种曲面拟合的重构方式构造流场物理量,并应用于AUSM+_up格式计算欧拉方程的数值通量;计算采用了隐式时间推进,并引入当地时间步长和残值光顺等加速收敛措施。

Point Cloud Segmentation Based on Imageware

基于Imageware的点云分割

Image-Based Edge Automatic Extraction of Point Data

基于图像法的点云数据边界自动提取

Point Cloud Feature Extraction and Simplification in Geographic Environment;

地理场景中点云特征提取与简化研究

Research and Implement of Hole-Repairing Technology for Scatted Points Cloud;

散乱点云孔洞修补技术的研究与实现

Research and Development of Surface Reconstructioin of Unorganized Points;

散乱点云表面重建技术的研究与开发

On Point-cloud Data Reconstruction Using RBF;

基于RBF的点云数据三维重建技术研究

The Application of P2P Technology in Point Cloud Processing;

P2P技术在点云数据处理中的应用

It 's a bit cloudy, is not it ?

有点多云，是不是？

About two o'clock, the mist cleared away.

大约两点时云雾消散了。

It was beginning to cloud over a little.

天空开始有一点多云。

The sky was barred with black clouds.

天空点缀着条条的黑云。

a bald spot; a leopard's spots; a patch of clouds; a fleck of red.

“一个单调的点”；“一个豹的点”；“云的补

"For he takes up the drops from the sea; he sends them through his mist as rain,"

他吸取水点，这水点从云雾中就变成雨。

Small cloud depth, low cloud top height, inhomogeneous structure are the main characteristics of the precipitation cloud.

云层厚度小、云顶高度低、云系结构不均匀是此次降水云系的主要特点。

The rain stopped and the sky was completely overcast.

雨点停了，黑云铺匀了满天。

Overexpression and Site-directed Mutagenesis of cry1Aa Gene from Bacillus Thuringiensis

苏云金杆菌cry1Aa基因的表达和定点突变

Over the lake was a blue sky with fluffy clouds.

湖泊的上空是点缀着朵朵白云的蓝天。

The eastern sky was barred with gray clouds .

东边天空点缀着条状的灰云。