查询词典 contour feather

Considering the shape of well trajectory in space and the change of anti-collision distance from adjacent wells along well bore, the obstacle of drilled well was assumed as the frustum of a curved-axis cone, and a model for describing the obstacle contour was provided.

考虑井眼轨迹的空间形态和安全绕障距离沿井深变化等因素，将作为障碍物的已钻井抽象为空间曲圆台，给出了障碍物的描述模型。

Compared with region relationship tree proposed by Fub,global contour of image can be described in our methods and it made the relationship of contours more accurately and integrally.

在图像处理领域，轮廓也是图像中目标的基本信息，通过轮廓的提取和分析，可以得到图像中感兴趣目标的相关信息。

The fullface curtain grouting technical parameters was determined by onsite test.The main tunnel area grouting reinforcement was 5?m away from the tunnelexcavation contour lines.

基于这种情况，通过现场试验确定了全断面帷幕注浆技术参数，主隧道注浆加固区范围为隧道开挖轮廓线外5？

After discussing the methods of 3D surface reconstruction, this paper provides a easy way to solve the problem of contour furcation. To meet the requirements of CT-simulation, a fast variable step-size based algorithm for digitally reconstructed radiographs is presented.

对三维形体重建技术作了详细的讨论，针对表面重建过程中轮廓线分叉问题，提出了一个简单的解决方法；针对CT模拟技术应用的需要，提出了一种基于可变步长的数字化重建放射图像快速生成方法；同时提出了一种改良的正向剂量计算方法。

Emphases are put on solving the problem of repeating searching extreme points in contours of Gauss curvature drawing,and the improved Bulirsch Stoer contour curve searching method is used in extreme points searching to speed up the searching efficiency.

提出了一种针对非均匀有理 B样条自由曲面的高斯曲率等值线的光顺检测方法，重点解决绘制高斯曲率等值线时出现的极值点的重复搜索问题，并将改进的Bulirsch-Stoer等值线搜索法用于极值搜索中，提高了搜索效率。

Objective:Three-dimensional ultradorographic surface imaging technology was used to reconstruct gemmule embryo outward contour image,and to compare with two dimensional ultrasonographic section image.As far the two different imaging methods,we tried to assess and explored the application value in ultrasonographic diagnosis,especially the clinical value of ultrasonographic embryology.

目的：应用三维超声表面成像技术重建胎芽胎儿表面外观图像，并与以往二维超声断层图像进行对比，就两种不同成像方法尝试进行超声诊断价值特别是超声胎儿胚胎学临床价值评价与探讨。

In order to filter the data sampled from inner-contour generatrix of pipe figure measured by laser, a new effective weighted average recursive filter based on energy difference is proposed.

对基于激光测量的管形零件内轮廓母线采样数据进行滤波。提出了基于能量差的加权均值递归滤波算法。

By using a model of geodesic active contour, this scheme consists of two steps.

该方法应用了短程线主动轮廓线模型，分2个步骤进行。

Geodesic active contour model is one of models for the tracking of moving objects.

快速Level Set初始化算法研究：测地线主动轮廓模型是运动目标轮廓跟踪的主要模型之一。

We selected the geometric and geodesic active contour model of Caselles as our researching objects in next steps .

在诸多改进的数学模型中，选取了Caselles等人的几何活动轮廓模型和测地线活动轮廓模型作为我们进一步研究的对象。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。