产品表面的数字化和三维模型重建是RE中的两项关键技术。
Products surface digitizing and three-dimensional model rebuilding are two key technologies of re.
重点研究了轮廓数据提取、零件缺陷三维模型重建等关键技术。
Has studied the outline data take off, the components flaw three-dimensional model reconstruction with emphasis and so on key technologies.
本文以人工牙为例,研究了基于切片数据的三维模型重建的方法。
This thesis study on the reconstruction based on the slice date by section scan, take the artificial tooth as example.
分析了基于STEP中性文件三维模型重建相关的技术,给出了其实现过程。
The technologies related with 3d model rebuilding based on the neutral file of STEP were analyzed and its implement process was given.
介绍了逆向工程的基本概念,基于RE技术上的三维建模方法:数据采集、点云数据处理、三维模型重建。
Introduces the basic conception of the reverse engineering and three-dimensional modeling method based re technology: data gathering, cloud data processing and three-dimensional model rebuilding.
卡耐基梅隆大学(Carnegie Mellon University)的研究者们认为,他们已经在将二维图像重建为三维模型方面做出了重大突破。
Researchers at Carnegie Mellon University believe they have achieved a breakthrough in the reconstruction of three-dimensional models from twodimensional images (pictured).
运用一个特定物体或者场景的多个图像可以减少图片的模糊度并且有可能更清晰地重建三维模型。
Using multiple images of a particular object or scene reduces ambiguity and makes possible more accurate three-dimensional reconstructions.
在不需要重建曲面模型的情况下,找到每一个数据点的法矢,在该法矢方向上补偿一个球头半径实现了测头半径的三维补偿。
The normal vector of each data point is calculated without reconstructing surface, and then realizing radius compensation with probe radius by going along normal vector.
目的:寻求连续CT断层图像重建上颈椎运动节段数字模型及三维可视化的方法。
Objective: To establish a digital model for reconstruction and three-dimensional visualization of upper cervical spinal motion segment from ct images.
最后介绍了本系统所采用的立体成像方式、三维重建方法和模型,以及立体视觉中的图像匹配的问题。
Finally we introduce three-dimensional imaging system, three-dimensional reconstruction method and model that we have adopted, and the problem about image matching in the three-dimensional vision.
目的:探讨结构光三维扫描系统3dss在重建单侧眶缺损患者面部三维数字化模型的准确性。
Objective to discuss the accuracy of 3dss three-dimensional scanning system, which was used to reconstruct the 3d digital model of unilateral orbital defect patients.
方法:根据人体下颌骨的螺旋CT扫描图像,利用三维重建、图像处理和网格划分技术,建立人体下颌骨的三维有限元模型。
Methods: a Finite Element Model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
根据人体下颌骨的螺旋CT扫描图像,利用三维重建、图像处理和网格划分技术,建立了人体下颌骨的三维有限元模型。
A finite element model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
讨论了STL文件的优化,利用三维重建技术构造组织工程的缺损器官,为组织器官的修复提供实体模型。
Discusse STL files optimizing, how to use three-dimensional reconstruction to produce the defect organs structure of tissue engineered, provide entity model for the repair of tissues and organs.
应用实例表明,该算法能有效地完成重建物体三维表面模型。
The application example manifests that the algorithm can reconstruct the object three-dimensional surface model efficiently.
三维重建后,可以在三维模型的基础上对矿区进行相应的空间分析,如空间查询、断面分析等。
The spatial analysis of the mining area can be carried out on the basis of the three-dimensional model, for example, spatial query, section analysis and so on.
它是传统的用已标定单视图的基于模型的三维重建算法的推广。
And it is the generalization of the traditional 3d reconstruction algorithm based on model from calibrated single view.
分别介绍了可视化系统的四个主要功能模块:IGES文件提取和识别、三维重建、图形学模型建立和优化以及可视化模块。
The four functional models of the visualization system: extraction and recognition of IGES file, 3d reconstruction, establishment and optimization of graphics model, visualization, are introduced.
本文给出了一种从多角度2D条形图重建三维曲面模型的方法。
A method for reconstructing a 3d surface model from several 2d strip profiles is proposed.
介绍了数字近景摄影测量在重建飞机三维表面模型中的应用方法。
The paper introduces the application of digital close-range photogrammetry to reconstruction of 3d surface model of plane.
给出了基于实拍人脸图像的三维逼真人脸模型的重建算法。
This paper presents a reconstruction algorithm for 3d realistic facial model based on facial images.
采用三维重建模型,研究了机载双天线干涉SAR系统的外定标问题。
The outside calibration for the Dual-antenna Airborne InSAR was researched by 3D reconstruction model.
目前基于点云的三维重建,大都是通过一些算法构造出三维表面网格模型。
Now based on the three-dimensional reconstruction of point cloud, it is to make three-dimensional surface grid model through some algorithm.
结果:得到了全冠的三维重建数字模型,成功制作出树脂全冠。
RESULTS: the digital model was established and the resin crown was successfully made.
实验结果表明,该方法在一定的场合下可以满足重建要求,重建出的三维模型具有照片真实感,并且能够进行实时漫游。
The experimental results show that it does well in some occasions, and that the models are photo realistic and capable of real time walk through.
针对IKONOS卫星立体像对中的典型建筑物,利用有理多项式模型进行三维重建。
And aim at the IKONOS satellite stereos, the reason polynomial model was used to calculate three-dimensional information.
基于摄像机透视成像的针孔模型,分析了立体视觉中摄像机标定和三维重建过程的主要误差来源。
Various error sources of binocular stereo system are analyzed based on pinhole camera model for estimation of the depth error.
在重建过程中,本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题,保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
在重建过程中,本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题,保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
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