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1)  lens distortion
畸变差
1.
An algorithm is presented based on curvature variance to calibrate the lens distortion of digital camera.
提出了基于曲率变化的畸变差检校方法。
2.
By discussing the theory on camera calibration with vanishing points and analysing the errors resul- ted from calibration based on vanishing points,a novel approach to camera calibration by vanishing points in muhi images is proposed to acquire orientation parameters,even radial lens distortion and thereby to improve the precision of interior and exterior orientation parameters.
这种方法克服了原有理论的缺陷,可对相机的内外方位元素以及畸变差联合求解,使标定结果更加精确、稳定。
2)  distortion error
畸变误差
1.
In 3D visual inspection applications, there usually exists a distortion error of the CCD camera s pin hole image of ellipse center.
针对在三维视觉检测应用中 ,空间椭圆的中心经摄像机针孔成像后存在畸变误差的问题进行了研究 。
2.
For the slanting installation of optical system,the distortion error models are established and the simulations are done.
针对光学系统的倾斜安装,建立畸变误差模型并仿真分析,得出结论:光学系统光轴平行于转轴时,像点坐标不因平面镜旋转角度的不同而存在误差,变化的仅是折射光线与光轴的夹角;光轴与转轴相交时,像点坐标随光轴与转轴的夹角、焦距和平面镜初始位置法线与转轴夹角的变化而产生较大的畸变误差。
3.
The ellipse curre equation of circular image is derived based on the theory of spatial analytic geometry and rotation matrix s representation with unit quaternion then a mathematical model of the distortion error is established which relates the distortion error to the foca length of the used CCD camera,the radius as well as the position and the attitude of the inspected circle directly.
研究三维视觉检测中圆的中心经针孔摄像机成像后存在畸变误差的问题,首先基于空间解析几何理论和旋转矩阵的四元数表示法推导出像平面上投影椭圆的参数方程;然后根据参数方程建立圆中心成像畸变误差的数学模型;最后对影响畸变误差的主要因素进行分析。
3)  differential distortion
畸变差值
4)  photogrammetric distortion
摄影测量畸变差,畸变差
5)  distorted error of object lens
物镜畸变差
6)  Radial Distortion
径向畸变差
1.
The Detection and Correction of Digital Camera s Radial Distortion;
数字相机径向畸变差检测及改正
补充资料:差差
1.犹参差。不齐貌。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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