PICTOMETRY ' S PROPRIETARY AIRBORNE DIGITAL IMAGING SYSTEM AND ITS APPLICATION IN 3 D CITY MODELLING

One of the most significant achievements in digital photogrammetry in the last decade is the development of large format digital mapping cameras. In addition to large format digital mapping cameras, a number of medium format digital mapping cameras systems have also been developed. At Pictometry, a medium format digital imaging system has been developed and been widely used for acquisition of both vertical and oblique images around the world. Since oblique images exhibits rich 3D like information of objects on ground, they are widely used in not only 3D measurement and visualization, but also creation of 3D city models. In this paper, Pictometry's proprietary medium format digital imaging system will be briefly introduced. Some issues in generation of 3D city models using Pictometry digital oblique images will also be discussed.

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