- transformation of coordinates
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坐标的变换的英文
例句与用法
- The transformation that converts world coordinates to page coordinates
将世界坐标转换为页面坐标的变换。 - Transfer matrix from local coordinate to whole coordinate is deduced , and transfer matrix gived rised to node deviation is derived , which is necessary to structure whole analysis
推导了从局部坐标到总体坐标的变换矩阵，以及由于结点偏移引起的坐标变换矩阵，为短肢剪力墙结构整体分析提供了条件。 - The image of the curve is obtained by planar ccd system . the author independently works on : ( 1 ) the image processing : ( 2 ) the imaging model of the ccd cameras , that is the coordinate transforming relationship between the image coordinates and the corresponding world coordinates : ( 3 ) the method of curve connection : ( 4 ) the experiments of the figures of the wheel trackside profile and calculation of the flange thickness related to the wheel wear
作者独立完成的工作包括： ( 1 )对车轮轮廓的激光曲线图象进行处理； ( 2 )建立了左、右ccd摄像机的实际摄像模型，推导出图象坐标到物方实际坐标的变换关系； ( 3 )研究了几种曲线拼接方法； ( 4 )通过实验，应用曲线拼接方法确定轮廓曲线的形状，最终算出反映车轮磨损的重要参数。 - Aspheric optical compound machine tool ( aocmt ) which integrates grinding , lapping and polishing is developed . the influences of motion errors on grinding accuracy are analyzed . according to homogeneous coordinate transition model , the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研制了集铣磨成型、研磨、抛光于一体的光学非球面复合加工机床( aocmt ) ，分析了各种运动误差对铣磨精度的影响；根据空间齐次坐标的变换模型，推导出多轴数控加工的后置处理算法；通过五轴数控联动， aocmt机床能够以法向方式加工出任意复杂的光学表面，铣磨精度稳定在8 m之内。 - During the realization of the prototype , it collects the video of real scenes firstly , identifies the markers in the video images to obtain the information of them , calibrates the camera parameter based on the markers ’ information , registers the virtual scenes and real world to obtain the relationship matrix of them , and finally realizes the blending of the virtual scenes and the real scenes
在系统实现过程中,系统首先采集现实场景视频,通过对视频图像中的marker进行识别,获取marker的相关参数,在获取这些信息的基础上定标摄像机的参数,对虚拟信息与真实世界进行配准,确定屏幕坐标与世界坐标的变换关系,最后将虚拟信息叠加到真实场景视频图像中,从而实现虚拟信息与现实场景的融合。