| 1. | A kind of definition of curvatures on discrete parametric curves net
关于离散参数曲线网上曲率的一种刻画 |
| 2. | Implicitization of parametric curves
参数曲线的隐式化 |
| 3. | The degree reduction of parametric curves / surfaces is a key problem for computer aided geometric designed ( cagd )
参数曲线曲面降阶是计算机辅助几何设计与制造中的研究热点之一。 |
| 4. | By analyzing the existing algorithms , we present a new pixel - level algorithm for generating parametric curves by dividing the segments
对此，我们在现有参数曲线逐点生成算法的基础上，提出了一个新的分段绘制参数曲线的方法。 |
| 5. | For the pixel - level generation of parametric curves , we find that the point densities chosen by the existing algorithms are not even along the curves
对于其中的参数曲线的逐点生成，目前的算法在绘制曲线的过程中会出现所绘制点疏密不均的现象。 |
| 6. | We use bezier curves to describe the shape of leaf midrib and embed the image of leaf into the space of local frames along the midrib curve
植物叶面的造型采用bezier参数曲线描述叶子中脉的形状，然后将叶子的纹理图象嵌入到叶脉曲线的局部标架中。 |
| 7. | School of computer science and technology , shandong university , jinan 250061 , p . r . china 3 department of computer science , university of kentucky , lexington , ky 40506 , u . s . a
这三种方法广泛应用于参数曲线的构造之中，但是在很多场合仍然不能给出令人满意的结果。 |
| 8. | Therefore . the thesis discusses the problem of smooth deformation parametric . solving method is to realize smooth merging of parametric curve by smoothing parametric curve
这样，本文又讨论了参数曲线的光滑变形问题，解决的方法就是通过参数曲线的磨光法实现参数曲线的光滑度。 |
| 9. | As for the leaves , we use bezier curves to describe shape of leaf midrib . the texture image of leaf is embedded into the space of local frames along the midrib curve
对于叶片的生成,本文采用bezier参数曲线描述叶子中脉的形状,把树叶或草叶构成的星形结构纹理图象嵌入到叶脉参数曲线的局部标架中来实现。 |
| 10. | ( 2 ) on the research of the software ' s architecture of motion control , the high - speed and high - accuracy algorithm of interpolate for parameter curve is proposed , which is adaptive for speed
( 2 )研究了高速数控运动控制的软件结构，并应用二次插补策略，提出了一种基于参数曲线的进给速度自适应的高速高精插补算法。 |
