projection line

The fingertip location in 3D space is formulated as computing the intersection point of the hand plane and the fingertip projection line to handle the location error due to missed depth data.

指尖3D定位问题被建模为计算手势平面与指尖成像直线的交点，解决了指尖区域深度数据缺失情况下的定位问题。

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A camera calibration method with co-line points is proposed, in which distortion center is located according to cross ratio invariability, and then distortion coefficients are calculated based on a line's central projection is a line.

提出一种用共线点列标定摄像机镜头畸变参数的方法，先根据交叉比不变性确定畸变中心，再利用直线的中心投影仍为直线这一性质确定畸变系数。

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Angle comparison of two vectors in three dimensional space is converted to that of two projected vectors in two dimensional plane, then to two mapped points in one dimensional projection line.

通过将拓扑映射引入到背向面去除判断中，将三维向量的空间角度关系判断转化成二维平面上投影向量的角度判断，然后再转化成一维射影直线上映射点的位置判断。

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The projection line of lig teres hepatis was located along the line of 30.9 ° angle right to the abdominal linea alba and passing through the crossed point of umbilicus and abdominal linea alba, called tip point.

其体表投影大致位于：以腹白线与脐之交点为顶点，过顶点在腹白线的右侧，作与腹白线成30.9°夹角的边线上。

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Measure the distance between the center point of aneurysmal neck and the nearest point of ipsilateral anterior and posterior clinoid and the angle between the major axis of aneurysm and the aneurysmal vertical projection line on horizontal plane, coronal plane and sagittal plane.

测量后交通动脉瘤的瘤颈中心到同侧前、后床突最近点之间的距离以及瘤颈长轴在水平轴面、冠状面和矢状面三个平面偏离中线的角度。

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This method for the identification of target miss in azimuth makes use of the projection in missile body coordinate system of line-of-sight rate between the missile and target.

研究了利用导引头天线测量的视线角速度在弹体的投影进行目标脱靶方向角识别的原理。

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Discussing the equipment of the water-guard bearing of the third pumping station of JiangDu of the pumping station of JiangDu reconstructive projection of the east line of the south-to-north water diversion projection

南水北调东线江都站改造工程江都三站主水泵水导轴承装置形式探讨

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In one of the schemes, the observation equation was built with the projection of target spacecraft feature line on pixel plane as the dual part using only vision camera., based on which the EKF was designed.

方案一以仅选用视觉相机，观测目标航天器特征线在像平面投影的对偶矢量，作为选择其对偶部建立观测方程，设计了扩展卡尔曼滤波算法。

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A novel method for measuring-line depth of focus ( DOF ) of a lithographic projection system is proposed.

提出了一种检测光刻机投影物镜密集线焦深 ( DOF ) 的新技术.

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Projection Line Segment Method for Solving Hidden. Line Suppression

解决隐藏线问题的投影线段法

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In the character segmentation module, after vertical tilt adjustment, use the vertical projection to split characters, and at the same time, we use the middle line to segment adhesion characters. 4.

在字符分割模块，首先调整车牌字符的垂直倾斜，然后利用垂直投影法分割字符，并对粘连字符做中间线切分处理。

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It focuses specifically on conceptual projection as an instrument of line work.

它特别关注概念投射是一种在线工作手段.

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The existing algorithms include equivalent left and right curve angle by definition, normal section line method and tangent projection etc. But all their precisions are limit to one-order truncation error, and make severe accumulate error on discrete models.

有关的算法有根据定义的左右曲面角相等，法截面法和切向投影等。这些方法的精度都局限在一阶截断误差，在离散的网格上有严重的累积误差。

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Because the main arch and the center line of the bridge in the horizontal projection is misaligned, the deformation and stress distribution of the bridge are very complex.

主拱肋轴线水平面内的投影与桥梁中心线的不重合，全桥的变形和受力情况都很复杂。

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solution of intersect problem of two general position planes with overlapped projection line method

用重影线法图解两一般位置平面相交问题

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