| 1. | Design and implementation of measurement scheme for distortion coefficient
失真度测量方案设计及实施 |
| 2. | Channel distortion coefficient
通路非线性失真系数 |
| 3. | Method of determining the distortion coefficients of camera lens for fringe projection measurement
光条投影测量中一种确定摄像机镜头畸变系数的方法 |
| 4. | The variations of distortion coefficient of ultrasonic pulse frequency spectra at defective zone in concrete
超声频谱畸变系数在混凝土缺陷区的变化 |
| 5. | And the demarcating task of high - resolution general digital camera is to measure the interior position elements and the optical lens distortion coefficient
而对于较高分辨率的普通数码相机的标定任务是测定内方位元素及物镜畸变系数。 |
| 6. | The emulation indicates that only if some measures are adopted to decrease the projection points ' coordinate error , error of the distortion center would be less than 2 pixels and relative error of the distortion coefficients would be no more than 0 . 1
仿真表明，只要采用相应方法降低像点坐标的误差，畸变中心的误差小于2个像素，畸变系数的相对误差不超过0 . 1 。 |
| 7. | 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
摘要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。 |
| 8. | The results prove that : ( 1 ) when the mach number of the flow at the exit increases , the total pressure recovery decreases , and the circular steady total pressure distortion coefficient , turbulence intensity and synthesis distortion increase
研究结果表明： ( 1 )地面工作状态下，随着出口马赫数的增加，蛇形进气道出口截面的总压恢复系数不断下降，而稳态周向畸变指数、紊流度和综合畸变指数均上升，稳态径向畸变指数变化不大。 |
| 9. | Based on this algorithm a self - calibration approach taking account of camera two - degree radial distortion is proposed . the five intrinsic parameters and two - degree radial distortion coefficients can be calibrated by controlling the camera to undergo more than 4 translation motion which are not co - planar
在此基础上还提出了一种考虑二阶径向畸变的非线性自标定算法，通过控制摄像机作四次不共面的纯平移运动，可以标定摄像机的五个内参数和两个径向畸变系数。 |
| 10. | The results of experiment indicate the precision of the interior position elements and optical lens distortion coefficient of the digital camera reaches the design requirement and meets the close shot photogrammetry requisition for the general digital camera , so this camera can be used in the close shot photogrammetry
实验结果表明，数码相机的内方位元素及物镜畸变系数的精度均已达到设计的要求，满足近景摄影测量对普通数码相机的要求，故被标定的相机可用于近景摄影测量。 |
