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Pictometry is a patented aerial survey technique for producing oblique georeferenced imagery showing the fronts and sides of buildings and locations on the ground. Photos are captured by low-flying airplanes, depicting up to 12 perspectives (shot from a 40-degree angle) as well as an orthogonal (overhead) view of every location flown.
Pictometry International uses an electronic field study application to obtain oblique imagery. Its cloud-based platform called PictometryOnline provides access to current and historic oblique imagery and orthophotography. [11] Pictometry's aerial photographs have been used by emergency response teams around the country. [12]
EagleView is a technology provider of aerial imagery, data analytics and geographic information system mapping based in Bothell, Washington, in the Seattle metropolitan area [1] with operations in Rochester, New York. [2] [3] [4] The company was founded by Chris Pershing and Dave Carlson in 2008.
In pictometry five rigidly mounted cameras provide one vertical and four low oblique pictures that can be used together. In some digital cameras for aerial photogrammetry images from several imaging elements, sometimes with separate lenses, are geometrically corrected and combined to one image in the camera.
Aerial photograph interpretation is a method of extrapolating geological details of the ground surface from aerial images. [1] It allows geologists to analyze the distinguishing geological features and structures , plant cover , past history of the site, soil properties, and topography of the study area.
It allows developers to create applications that layer location-relevant data on top of licensed map imagery. The imagery includes samples taken by satellite sensors, aerial cameras (including 45 degree oblique "bird's eye" aerial imagery licensed from Pictometry International), Streetside imagery, 3D city models and terrain.
Overlapping of aerial photos means that around 60% of the covered area of every aerial image overlays that of the one before it. [2] Every object along the flying path can be observed twice at a minimum. [2] The purpose of overlapping the aerial photography is to generate the 3D topography or relief when using a stereoscope for interpretation. [2]
Aerial survey is a method of collecting geomatics or other imagery data using airplanes, helicopters, UAVs, balloons, or other aerial methods. Typical data collected includes aerial photography , Lidar , remote sensing (using various visible and invisible bands of the electromagnetic spectrum , such as infrared , gamma , or ultraviolet ) and ...