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- The B-Splines surfaces fitting algorithm with Multilevel B-Splines is also studied.And a modified fitting method about sparse meshes is put forward. 研究了基于多层次B样条的曲面拟合,并且针对稀疏网格模型拟合曲面的起皱现象给出了改进方法。
- surface fitting algorithm 曲面拟合算法
- An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented. 摘要提出了基于二次曲面拟合误差分析和几何属性分析的特征曲面识别算法。
- To solve the problem of quadric surface reconstruction in reverse modeling for mechanical parts, a two-step fitting algorithm was presented. 摘要针对机械零件反求建模过程中常见二次曲面的表面重建问题,提出了曲面拟合分步计算法。
- In 2001, S. Baker et al of CMU improved original fitting algorithm of AAM. 2001年卡耐基梅隆大学的S.
- This dissertation addresses a practical data processing method of free-form surface for the coordinate measuring machine (CMM), including fitting algorithm, probe radius compensation and surface matching . 本论文的研究工作是对三坐标测量机(CMM)所得测量点进行曲面拟合、测头半径修正以及误差分析,并解决曲面的匹配问题。
- Imaging Spectral Image, Strip Corretion, Surface Fitting Correction, Information Entropy, Loss-less Compression. 成像光谱图像,相关性,曲面拟合校正,信息熵,无损压缩
- Enligthened by a ch ildren game, this paper constructed an optimal layout fitting algorithm for irre gular shape pieces on a sheet. 从拼图游戏的启发构造了一个异形零件优化排样的拟合算法。
- But the atmosphere does succeed in making a surprisingly large amount of the earth's surface fit for human habitation. 但大气确是有功劳的,它在地球表面开辟了广袤的适宜人类休养生息的地方。
- It is introduced that an efficient fitting algorithm for Active Appearance Models(AAM) based on the inverse compositional image alignment algorithm. 摘要 介绍了一种基于反向合成图像对齐算法的AAM匹配算法。
- Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso-parametric curves. 其次,在曲面片内部,曲面拟合点和边界方向导数可以从参考曲线中通过构建虚拟等参线的方法得到。
- Non-uniform rational b-spline (NURBS) surface fitting based on an extracted topology array was made and the method of multi-point forming was used to form parts. 用基于曲率抽样的拓扑矩形阵列进行NURBS曲面拟合并用多点成形方法成形工件;
- The axis of the proximal part of the humeral shaft (from the metaphysis to the deltoid tuberosity) was defined through an automatic fitting algorithm written into the software. 近侧肱骨(干骺端到三角肌结节)的轴线通过软件中自带的算法自动确定。
- Without consideration of discontinuities possible existing in range image, traditional finite difference or local surface fitting method, inevitably produce errors. 传统的有限差分或局部拟合方法未考虑到表面上可能出现的不连续性,因而会不可避免地出现错误。
- The problem can be decomposed into four sub-problems, the correspondence problem, the branching problem, the tiling problem and the surface fitting problem. 这个问题可以分为四个子问题,即轮廓对应问题、分叉问题、拼接问题和曲面拟合问题。
- An open architecture robot controller is used as the testbed.The NURBS curve is calculated with an ICP (Iterated Closest Point)-based fitting algorithm. 使用开放式机器人控制器系统作为试验平台,NURBS曲线通过迭代最近点的拟合方法获得。
- THRICE CURVED SURFACE'FAST FIT ALGORITHM STUDY 三次曲面的快速拟合算法
- The traditional method using surface fitting or interpolation to plot formation drillability plane is complex,and the accuracy cannot be guaranteed if some parameters cannot be selected properly. 采用常规曲面拟合或插值方法绘制区域地层可钻性剖面的过程相当复杂,且若多项式选择不当,计算精度往往得不到保证,很难满足实际需要。
- Experimental results show that the subpixel localization precision of HFA can reach 0.25 pixel. It has greatly decreased computative cost under the comparisons with conicoid fitting algorithm and Gaussian fitting algorithm. 实验表明:与常用的高斯拟合或二次曲面拟合方法相比;双曲面拟合方法在定位精度上为0.;25个像素;而计算量大为减少
- By the relation between the Allan variance of signal noise and power spectrum density (PSD), the sources of some kinds of noise and its properties are analyzed and calculated using fitting algorithm in the least square method(LSM). 根据光纤陀螺信号漂移和噪声的Allan方差与功率谱密度(PSD)关系,在Allan标准差模型的基础上采用最小二乘法(LSM)进行样本数据拟和,有效地分离和辨识出了光纤陀螺零漂信号中的各项误差源随机误差系数和误差贡献大小。