Posts Tagged ‘design’
Photography Target
Sunday, September 25th, 2011
Challenges That Face Aerial Photography are not Applicable in Classical Photography
Aerial photography is the art of taking photos of the ground while not standing on a ground structure with cameras mounted on aircrafts, balloons, helicopters, dirigibles or rockets. The first person who practiced aerial photography was Nadar, a French balloonist who made the first pictures over Paris in 1858 and thus remained in the history of photography.
Aerial photography was used by the army for the first time in World War I, it is also applied in field studies like cartography, archeology, landing use plans, military or economical espionage, advertising and, last but not least in cinematography. In the last decades environmental programs used aerial photography to support their ecological demands.
Many companies who are trying to map the city turn to small radio controlled aircrafts especially designed for taking photos. They use this solution because flight over residential neighborhoods is restricted at a certain height. On the other hand, American laws allow taking aerial pictures over private zones, because anything capable of being seen from space is not considered private.
Many amateurs that can’t afford renting a plane or having a pilot license can buy an astro-cam or some oracle rocket as a solution to continue being interested in aerial photography as a hobby. Aerial photography has many challenges that are not applicable in classical photography.
One of the problems with aerial photography is the perspective correction. Air pictures are made under a certain angle of the photographed object; this may result in an incorrect perspective where near objects look too large if compared to far away targets. So a perspective correction is needed to ensure the best of outcomes.
Aerial photography is mapped with real world targets like buildings, a process known as registration. As an example, think of a road photography seen from above, it can be simply converted to a line. Another problem is that when you want to photograph an entire city for instance.
Of course you can go to higher altitudes and take the whole picture but what if you need it at a higher resolution? The stitching technique is required here as it implies making as many photos as needed and then joining them together. This process as simple as it might seem takes hours of preparation for good results.
Aerial photography plays an important role in the evaluation of buildings or large properties and the best pictures in this case are made from the helicopter. It’s far easier to photograph a mall from a helicopter than from a plane, the explanation is that a plane simply can’t stay still in the same place, while a helicopter can. However, when you try to sell a larger estate use an airplane for a faster evaluation and the best of results.
About the Author
Muna wa Wanjiru Has Been Researching and Reporting on Photography for Years. For More Information on Aerial Photography, Visit His Site at AERIAL PHOTOGRAPHY
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X-Rite M50103 ColorChecker Gray Scale $55.00 Nothing optimizes the power of your digital camera like the Digital ColorChecker SG. It¿s the original ColorChecker Chart and more! With over 140 patches, you¿ll gain the widest color gamut available for comparing digital reproductions to real life scenes or test targets, creating white balance and creating ICC profiles…. |
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Fisher-Price Kid-Tough Video Camera – Blue $37.99 Movie directors are getting younger all the time – with help from the Kid Tough Video Camera. It’s designed so little hands can hold it steady and access all the buttons. And since no one likes to wait, they can replay video instantly on the camera. Hmmm not quite perfect? Just delete and shoot again. Share the fun with the whole family on the computer-or on the TV. Features: Child-friendly contro… |
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Joby Gorillatorch Adjustable and Flexible Tripod Flashlight $34.95 The Gorillatorch, with its flexible, wrappable legs and magnetic feet, secures to virtually any surface and allows you to cast an intense, focused beam of light anywhere and everywhere. Wrap it around a doorknob in a power outage, attach it to the bedpost for lights-out reading, secure it to a tree branch to illuminate your campsite or straighten the legs and use it as a handheld flashlight while … |
