期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2006
卷号：XXXVI Part 5
出版社：Copernicus Publications
摘要：The accuracy of object reconstruction was tested with two medium format cameras made by ALPA of Switzerland. Both cameras have been equipped with a 33 megapixel Leaf Aptus 75 digital camera back and a 47 mm focal length Schneider Apo-Digitar lens. The first test was carried out with the lens in "normal" position. In the second test, the principal point of another Apo-Digitar lens type was decentred by a fixed amount of approximately 8 mm. Decentring the principal point of a lens can be of advantage for terrestrial applications. Both cameras reveal large accuracy of object reconstruction, checked against calibrated scale bars in a test field (according to VDI/VDE Guideline 2634). The accuracy of object reconstruction of the camera system with the decentred lens does not reach the same level as for the "normal" camera
关键词：Close-Range Photogrammetry; Digital Camera; Camera Calibration
