Abstract
Abstract. A huge number of small and medium sized sensors entered the market. Today's mid format sensors reach 80 MPix and allow to run projects of medium size, comparable with the first big format digital cameras about 6 years ago. New high quality lenses and new developments in the integration prepared the market for photogrammetric work. Companies as Phase One or Hasselblad and producers or integrators as Trimble, Optec, and others utilized these cameras for professional image production. In combination with small camera stabilizers they can be used also in small aircraft and make the equipment small and easy transportable e.g. for rapid assessment purposes. The combination of different camera sensors enables multi or hyper-spectral installations e.g. useful for agricultural or environmental projects. Arrays of oblique viewing cameras are in the market as well, in many cases these are small and medium format sensors combined as rotating or shifting devices or just as a fixed setup. Beside the proper camera installation and integration, also the software that controls the hardware and guides the pilot has to solve much more tasks than a normal FMS did in the past. Small and relatively cheap Laser Scanners (e.g. Riegl) are in the market and a proper combination with MS Cameras and an integrated planning and navigation is a challenge that has been solved by different softwares. Turnkey solutions are available e.g. for monitoring power line corridors where taking images is just a part of the job. Integration of thermal camera systems with laser scanner and video capturing must be combined with specific information of the objects stored in a database and linked when approaching the navigation point.
Highlights
Existing technologies typically use three extreme platforms, satellites, aircrafts or terrestrial close range ones
Between the aerial and terrestrial use is a field for innovative applications, which are typically experimental but in some cases already well established and operational
Budget and administrative rules sometimes limit the use of aircrafts
Summary
Existing technologies typically use three extreme platforms, satellites, aircrafts or terrestrial close range ones. Between the aerial and terrestrial use is a field for innovative applications, which are typically experimental but in some cases already well established and operational. It is possible to produce data in resolution and accuracy, which are ranking between the aerial and terrestrial techniques. Budget and administrative rules sometimes limit the use of aircrafts. Flexibility, accuracy and scientific interest are other reasons for such applications. In some cases these new technologies are able to compete with traditional ones and already have entered the market
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