In this paper, a stereo calibration algorithm based on tri-linearly interpolating three-dimensional coordinates is presented.
该文提出了一种基于空间三维坐标校正的立体视觉定标算法。
By image calibration, median filtering and fast pattern matching processing algorithms, the system acquires the position information of the coordinates of the center of the circle of eccentric sprue.
经图像标定、中值滤波、快速图像匹配等处理算法，获得偏心加注口的圆心坐标位置信息。
The least-squares ellipse fitting method is used to the sub-pixel image edges to get more accurate sub-pixel ellipse center coordinates, and further improve the precision of camera calibration.
对亚像素边缘进行最小二乘椭圆拟合，得到更精确的亚像素椭圆中心坐标，从而可以进一步提高相机标定的精度。
The global calibration of sensor coordinates is accomplished by coordinates measurement arm and laser tracker, improving calibrated precision and efficiency.
利用坐标测量臂和激光跟踪仪的大尺寸测量能力，对传感器坐标系进行全局校准，提高校准的精度和效率。
As primary condition for visual measurement, camera calibration is focused on how to build the relation between image coordinates and spatial coordinates.
摄像机标定作为视觉测量的首要条件，旨在建立图像坐标与空间坐标的关系，摄像机标定实质上是确定摄像机内外参数的一个过程。
Then, by using the camera calibration parameters, 3D coordinates of each feature point in the machine coordinate system were calculated.
由摄像机标定参数，进一步计算出各特征点在机器坐标系中的三维坐标；
Camera calibration and 3-dimensional coordinates' calculation.
摄象机标定以及空间点三维坐标计算。
Camera calibration and 3-dimensional coordinates' calculation.
摄象机标定以及空间点三维坐标计算。
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