So it is extremely significance that CAD model reconstruction in body reverse design.
因此，车身反求设计中的CAD模型重建就显得至关重要。
The proposed method can be used for CAD model reconstruction of 3d objects and free smooth shape modeling.
这种方法可以用于3d物体的CAD模型重构和自由光滑曲面模拟。
The paper presents a new approach to CAD model reconstruction from cloud datas using neural networks (NN).
提出了一种新的基于神经网络的点云数据重构CAD光顺造型的新算法。
CAD model reconstruction system based on subdivision is developed according to deeply study the subdivision surface.
通过对细分曲面的两种基本细分模式的研究，设计了一个基于细分的反求工程CAD系统。
In this dissertation, some key technologies related to the CAD model reconstruction based on Industrial ct slicing data are studied.
本文系统研究了基于工业CT切片数据的CAD模型重构所涉及到的关键技术。
This paper studied on free curved surface reconstruction of hand-drawing with reverse technology and "point-surface" CAD model reconstruction.
采用逆向技术路线，通过“点-面”的CAD模型重构过程对不能或不便用CAD功能来表达的手绘图案自由曲面重构进行了研究。
The point cloud segmentation is an extremely essential step in the reverse model design. The segmentation results will affect the surface fitting and the CAD model reconstruction quality directly.
数据点云分块是逆向工程中一个非常关键的环节，测量数据的分块结果将直接影响到曲面拟合及CAD模型重建的质量。
Preprocessing of "points cloud" data and surface reconstruction are the critical technology of reverse engineering and are the premises of building product CAD model.
“点云”数据的预处理和曲面重建技术是反求工程的关键技术，是产品CAD模型建立的前提。
The three-dimensional reconstruction model is widely used in the fields of CAD, reverse engineering, pattern identify, the artwork reconstruction, digital amusement (game, animation and film).
三维物体的模型重建在CAD、逆向工程、模式识别、文物艺术品的重建、数字娱乐(游戏、动画、电影)等领域有着广泛的应用。
The three-dimensional reconstruction model is widely used in the fields such as pattern identification, cultural relic reconstruction, digital amusement, city planning, CAD and reverse engineering.
三维物体建模在物体模式识别、文物重建、数字娱乐、城市规划、CAD和逆向工程等诸多领域应用广泛。
The main content includes the design of original data collecting system, Image preprocessing, selection and algorithm of filtering method, points cloud creating, reconstruction of 3d CAD model.
主要研究内容包括：数据采集系统设计、图像预处理、滤波方法的选择及其算法、点云生成、三维CAD模型重构。
BACKGROUND: Current hip three-dimensional finite element model is established based on human corpse data or CAD reconstruction, but the effect is not satisfactory.
背景：目前髋关节的三维有限元模型大都是基于人体尸骨数据或通过CAD重建获得的，其效果不够理想。
The processing methed of data tested by laser scanner and reconstruction technology of CAD model in the reverse process of free-form surface were persented with toy of dog head as example.
针对复杂曲面数据测量及曲面重构的要求，以玩具狗头为例，介绍使用三维激光扫描仪的自由曲面反求过程中产品点数据的处理方法，以及CAD模型的重构技术，分析了反求建模中存在的问题。
The processing methed of data tested by laser scanner and reconstruction technology of CAD model in the reverse process of free-form surface were persented with toy of dog head as example.
针对复杂曲面数据测量及曲面重构的要求，以玩具狗头为例，介绍使用三维激光扫描仪的自由曲面反求过程中产品点数据的处理方法，以及CAD模型的重构技术，分析了反求建模中存在的问题。
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