Some Essential Elements You Need To Know In Aerial Photography

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16 June 2010

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Aerial photography consists of photos of the ground taken from high altitude. Planes, balloons, helicopters, dirigibles, poles, parachutes and kites can be used as platforms for aerial photography. The beginnings of this kind of photography go back to the 19th century in France when Gaspard Felix Tournachon took photos from his balloon. In time all sorts of motion picture cameras were mounted on aircrafts particularly for military and security purposes.

The number of applications is impressive. Since digital cameras are widely available for average consume, lots of people take amateurish aerial photography. Yet, there are more scientific than hobbyist applications to such photos. Cartography depends on aerial photography. Topographic maps would be very hard to create without such photos. These applications are not new, but the novelty now consists in the processing softwares such as GIS.

Geographic information systems (GIS) are now used by all mapping agencies, and aerial photography makes it possible to align the images with the real-world coordinates so that they can be registered and deployed widely. Google Maps highly depends on aerial photography, and with this model we are not far from the operational model of Google Earth that relies on satellite images to create a simulation of 3D landscapes.

Environmental studies, surveillance, commercial advertising and artistic projects are just a few other domains in which aerial photography plays a very important role. The possibility to document events and features on private properties is one other noteworthy issue here. Aerial photography is essential for many legal actions since anything that can be viewed from public space does not infringe the right to privacy, according to the US law system.

Aerial video now provides the alternative to aerial photography, since you can use a GPS system to embed meta data in a video. Aerial photography thus gets more and more complex applications thanks to the continuous scientific developments. The complexity of the applications is incredible and thanks to the visible progress made in the design of the cameras.

As for private applications, people use aerial photography to determine the limits of land properties or to simply get nice pictures without a certain practical objective in mind. Mention must be made here that aerial photography requires the use of a very good digital camera, with a motion stabilizer and great good optics. Otherwise, the photos will be shaky, blurred and hard to use.

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