2) hull forms/UV variation
船体线型/UV变换
3) computer aided design/deformation of hull
计算机辅助设计/船型变换
4) model transformation
模型变换
1.
Research on Model Transformation and Its Application Based on Model Driven Architecture Framework;
基于模型驱动构架的模型变换及其应用研究
2.
By means of the model transformation and the replacement of ellipsoid and elliptical cylinder with sphere and circular cylinder,rapid calculation of the mathematical models is made possible.
采用模型变换法,用球体和圆柱体来代替椭圆体和椭圆柱体,可迅速计算其数学模型。
3.
The detail modeling of tunnel structure attached establishment is presented and how the technique of OpenGL, including modeling, lighting, material, model transformation and view point transformation, is applied on visualization of tunnel is described.
该文论述了隧道构造物的三维模型的建立,探讨了OpenGL的建模、光照、材质、模型变换、视点变换等技术在实现隧道可视化中的应用,并且通过具体的实例将工程隧道的三位场景形象直观地表现出来,具有很好的应用性。
5) transform model
变换模型
1.
Aiming at the need for 3D modeling of sophisticated weapon,the development methods of software engineering such as waterfall model,transform model and increment model were analyzed and compared,and the increment model was introduced into 3D modeling for weapon.
针对复杂武器3D实体建模的需求,分析并比较了软件工程化中的瀑布模型、变换模型和增量模型等3种模型开发方法,首次将增量模型方法引入到武器3D实体建模中。
2.
Based on the analysis of the imaging process of optoelectronic imaging anti-ship missile, an automatic registration algorithm is proposed, and its basic idea is to decompose the transform model and simplify it step by step.
其基本思路是将图像变换模型分解,逐步简化。
6) integer transform
整型变换
1.
Different hybrid integer transform based on spatial/spectral correlation is taken for each group and to achieve progressive bit-stream,coefficients are reorganized to obtain the same structure as wavelet transformation.
利用高光谱图像空间、谱间相关性不同的特点,本文提出了一种基于混合整型变换和三维分层树集合划分算法(3D-SPIHT)的高光谱图像无损压缩方法,首先将波段进行分组,针对每一分组,采用不同的整型变换技术去相关,然后对变换系数进行系数重组,采用高效的基于小波系数特点的3D-SPIHT编码方法得到嵌入式码流,具有一定的抗误码性能。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条