CCD camera calibration based on space resection with multi-image

In recent years,CCD camera applies to close range photogrammetry and low altitude photogrammetry progressively.The technical parameter of the camera is an important factor that influences results precision.So the calibration of camera technical parameter is a key problem to guarantee results quality that could meet precision request.The paper compares space resection with single-image with space resection with multi-image,and implements precision analysis and reliability analysis for two methods respectively and draws a conclusion that space resection with multi-image is a more reliable method for CCD camera calibration.In the paper we confirm that the calibration results are correct using a method of space intersection with multi-image.