查询词典 scan line

In order to realize precise compression of scattered data and predigest the establishing process of geometry topology relation, scattered data is converted into scan line data, the point cloud is disposed by the method of direct slicing, the algorithm of intersection between line and surface based on a pair of the least distance relation points and the algorithm of track based on eight directions coding of the section contour data are carried out and the method feasibility is proved by the example.

为了实现数据的精确压缩，简化点与点之间拓扑结构的建立，把散乱数据转化为扫描线数据，对点云数据进行了直接分层处理，采用了基于最小距离关联点对的线面截交算法和截面轮廓数据的八方向编码追踪算法，并用实例验证了方法的可行性。

A contour tree has found many important applications in map generalization,terrain analysis,etc.with respect to generating contour tree,this paper has proposed a scan-line based method,this method translates intersection point pair of scan-line and contour line as range,explains containment relation between range as containment relation between contour lines,determines "one-many" direct containment relations between parent contour and child contour by this method.

中国科学院计算所，北京 100080摘要等高线树在地图的产生、地形分析等应用中具有较重要的应用。对于产生等高线树，提出了一种基于扫描线的方法，该方法把扫描线和等高线之间的交点对解释为区域，利用区域之间的包含关系对应等高线之间的包含关系，以这种方式来确定父等高线与子等高线之间的"一对多"直接包含关系。

The method comprises the following: a step of calibrating a camera, which is to utilize a Taylor series model to calibrate an omni-directional vision sensor so as to obtain internal parameters of the camera; a step of obtaining epipolar geometric relation, which comprises the steps of calculating an essential matrix between binocular omni-directional cameras and extracting the rotation and translation component of the cameras; a step of correcting an outer polar line, which is to correct the outer polar line of a shot omni-directional stereo image so as to allow a corrected polar quadratic curve to coincide with an image scan line; and a step of three-dimensional reconstruction, which is to carry out feature point matching to the corrected stereo image and calculate the three-dimensional coordinates of points according to matching results.

该方法的步骤包括：相机标定：利用泰勒级数模型对全向视觉传感器进行标定，得到相机内参；对极几何关系求取：包括计算双目全向相机之间的本质矩阵，并从中提取相机的旋转和平移分量；外极线校正：对所拍摄的全向立体图像对进行外极线校正，使校正后的极二次曲线与图像扫描线重合；三维重建：对校正后的立体图像对进行特征点匹配，根据匹配结果计算点的三维坐标。

Three polygon scan conversion algorithm, the seed fill algorithm, boundary markers algorithm, scan-line algorithm.

详细说明：多边形的三种扫描转换算法，种子填充算法，边界标志算法，扫描线算法。

For the moment, the optimum scan line length is usually determined by statistical properties of joint space, while, the authors research result indicates that the optimum scan line length does not only rely on statistical properties of joint space, but also on statistical properties of joint trace length and other joint geometry parameters.

当前研究人员一般通过结构面间距的概率特征确定最佳测线长度，研究成果表明，仅依据间距的概率特征确定的最佳测线长度往往偏小，在确定最佳测线长度时还需要考虑迹长等其它结构面几何参数的概率特征。

The scan line method is one of the most commonly used methods in rock joints survey. To ensure the quantity of collected joint samples enough, and at the same time, to save surveying workload, the optimum scan line length should be determined first of all.

为了保证采集的结构面样本数量足够多，同时又使测量工作量最省，测线法应用时首先需要确定一个能够保证测量精度的最小测线长度——最佳测线长度。

A pixel circuit is coupled with at least one scan line and at least one data line.

像素电路与至少一条扫描线和至少一条数据线结合。

The active device is electrically connected to one corresponding scan line and one corresponding data line.

主动元件电性连接对应的其中一条扫描线与对应的其中一条资料线。

Polygon Filling Algorithm typical scan line mainly include filling algorithm and contour filling algorithm domain signs for the document vector polygon filling algorithm for the scan line fill algorithm.

详细说明：典型的多边形填充算法主要包括扫描线填充算法和轮廓标志域填充算法，适用于矢量多边形文件的填充算法为扫描线填充算法。

Collecting a total of 102 cases(107eyes) of pations with traumatic optic neuropathy that underwent edoscopic optic nerve decompression surgery during December 1999 - April 2008 line,retrospective analysis of CT performance for the optic canal and paranasal sinuses,and Comparison of them with surgical results.102 cases of patients performed routine and coronal axial sinus CT scans,the optic canal zone wi th thin target scan,line of nasal tip and the anterior clinoid process connection as baseline for axis scan,and the vertical line of "bed nasal line" as baseline for coronal scan.

方法收集1999年12月-2008年4月间在青医附院耳鼻喉科行鼻内镜下视神经减压手术的外伤性视神经病患者的病例，共102例(107眼)，回顾分析其鼻窦及视神经管CT表现，并查看手术记录描述，将CT结果与术中所见情况进行对比分析。102例患者术前常规行轴位及冠状位鼻窦CT扫描，视神经管区行薄层靶扫描，以骨性鼻尖与前床突的连线为轴位扫描基线，以&床鼻线&的垂直线为冠状位扫描基线。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。