大地坐标系

• 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。