| 1. | Elements of exterior orientation
像片外方位元素 |
| 2. | ( 2 ) the gross error detection scheme is introduced into the computation of exterior elements
引入粗差探测的外方位元素的解算。 |
| 3. | The robust generalized ridge estimate is proposed to detect gross error and compute exterior elements . experiments prove this method is very advantageous
此外，本文还着重研究了利用残差绝对值和最小估计这一稳健的估计方法来解算外方位元素。 |
| 4. | The measurement and alteration of ordinary digital camera . it includes the correction of lens distortion of digital cameras , the computing of camera interior orientation parameters and pictures " exterior orientation parameters , and the evaluation of it ' s capability ; 2
其中包括普通数码影像畸变差的改正、数码相机内方位元素的检定、数码近景摄影机的研制及外方位元素改正值的确定、普通数码相机量测化性能评价； 2 |
| 5. | The discussed subjects include the modeling of image , the method used to estimate the initial values of the elements of exterior orientation , the strong correlation among the elements of exterior orientation , the ways to restrain it , the methods of object point positioning on the orientated stereo image pair etc . 3
详细讨论了线阵ccd影像的构像模型，估算外方位元素初值的方法，外方位元素之间的相关性及克服其相关性的解算方法，在定向后的线阵ccd影像立体像对上进行目标点定位的方法等。 |
| 6. | Automatic inner orientation of frame camera imagery is realized by combining several matching algorithms . two methods , the generalized ridge estimate and the primary component estimate , are presented to compute the exterior orientation elements of linear array scanner image . the formulas of educing the parameters of these estimates are provided
结合多种匹配算法实现了画幅式卫星影像的全自动内定向；提出利用广义岭估计和主成分估计两种解算单线阵ccd卫星影像外方位元素的方法，并且给出了计算相应参数的公式。 |
| 7. | 2 x included aberration of camera lens , measurement of camera inner position parameter 3 % pre - processing of image including transferring earth coordination to engineering coordination which is approximately level with the object , measurement of camera outer position parameter
即相机物镜构像畸变的改正、相机内方位元素的测定与外方位元素的改正； 3 、进行影像预处理。包括将大地坐标系转到与目标面大致平行的工程坐标系；像片外方位元素的的测定； 4 、研究了数字影像处理。 |
| 8. | Confronted with the problem of unknown inner and outer orientation elements of the camera when non - mearsured camera is used for photogrammetry , a mobile framework is designed to supply controlled coordination in the research . so the coordination of the key points on the surface of the mobile framework is achieved in the way of 3 - d industrial measurement , and the analysis & disposal of the tolerance of the measured coordiantion is accomplished
对于运用非量测相机进行摄影测量时所面临的相机内、外方位元素未知问题，在研究中设计了可以提供控制坐标的活动控制架，用三维工业测量的方法测得控制架表面的控制点坐标，并对测得的坐标进行了误差分析和处理。 |
| 9. | The inner and outer orientation elements of non - mearsured camera are figured out in the method of direct linear transformation ( dlt ) on the basis of the known coordination of key points in the image . the tolerance analysis of inner and outer orientation elements is accomplished with the coordination of redundant key points . finally , the physical spacial coordination of the image points is calculated in the way of dlt
运用直接线性变换法( dlt ) ，根据测量图像中控制点的已知坐标，计算出非量测相机的内、外方位元素，使用多余的控制点坐标，完成内、外方位元素的误差分析，最后运用直接线性变换法根据测量点的像点坐标计算出相应的物方空间坐标。 |
