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 詳細討論了線陣ccd影像的構(gòu)像模型,估算外方位元素初值的方法,外方位元素之間的相關(guān)性及克服其相關(guān)性的解算方法,在定向后的線陣ccd影像立體像對上進行目標點定位的方法等。