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 1
出版社：Copernicus Publications
摘要：We summarize the procedures and preliminary conclusions from an inter-institutional project group evaluating the feasibility (econom- ically and practically) for introducing digital aerial imagery into the work .ow used in connection with maintenance of a national map database. Not surprisingly, the main conclusion is that "it depends. . . ": there are in many cases good technical reasons for switching, but the final decision must depend heavily on the price level of the digital vs. the analogue imagery. In a few years time we expect that digital imagery will be much more widespread than analogue
关键词：Photogrammetry; Remote Sensing; Digital Cameras; Production; Work Flow
