Stereo Satellite Imagery

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Exploration Technique: Stereo Satellite Imagery

Exploration Technique Information
Exploration Group: Remote Sensing Techniques
Exploration Sub Group: Passive Sensors
Parent Exploration Technique: Passive Sensors
Information Provided by Technique
Lithology:
Stratigraphic/Structural: map structures/faults
Hydrological: map surface water features, determine the boundary conditions of hydrothermal circulation
Thermal:
Cost Information
Low-End Estimate (USD): 259.0025,900 centUSD
0.259 kUSD
2.59e-4 MUSD
2.59e-7 TUSD
/ sq. mile
Median Estimate (USD): 282.3128,231 centUSD
0.282 kUSD
2.8231e-4 MUSD
2.8231e-7 TUSD
/ sq. mile
High-End Estimate (USD): 362.6036,260 centUSD
0.363 kUSD
3.626e-4 MUSD
3.626e-7 TUSD
/ sq. mile
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Stereo Satellite Imagery:
Stereo Satellite Imagery is a form of Stereoscopy or 3D imaging. Two pictures are a take of the subject from two slightly different angles to produce the illusion of depth.
Other definitions:Wikipedia Reegle


 
Introduction
Stereo Satellite imaging also called stereoscopy or 3D imaging is a photography technique originally developed for creating the illusion of depth in an image or set of images. Two pictures of an object are taken from slightly different angles allowing for depth to be perceived when viewing the images. Several different techniques for viewing the images have been developed and 3D technology is quickly developing. The first stereo images were simply placed side by side and vied up-close, cross eyed, or through binoculars. Now stereo images are combined into one image and viewed through some sort of 3D glasses. In remote sensing applications photographs of the earth are taken and 3D topographic maps and computer models can be created using the stereo images.
 
Use in Geothermal Exploration
Stereo image pairs are used to make digital elevation models (DEMs).[1] A DEM can be used to determine the boundary conditions of hydrothermal circulation and water budget analysis in a geothermal area. Geologic mapping can also be done more efficiently with the aid of Stereoscopy and other remote sensing techniques. Stereo image pairs can be useful for identifying and mapping structures and faults in a geothermal area.






 
Data Access and Acquisition
The satellite takes pictures of an area from two or more different angles. The data is used to create 3D images and DEMs.[2]

 
Best Practices
Clear skies are needed to obtain optical images for stereo satellite images. Optical images must be collected during daytime.
 
Potential Pitfalls
Cloud free images are sometimes difficult to obtain in regions with a high amount of cloud cover such as in the tropics or near an active smoking volcano.








 
References
  1. Minoru Urai,Hirofumi Muraoka,Asnawir Nasution. 2000. Remote sensing study for geothermal development in the Ngada District, central Flores, Indonesia. In: World Geothermal Congress 2000; 2000/05/28; Kyushu tohoku, Japan. Kyushu tohoku, Japan: N/A; p. 1905-1908
  2. Satellite Imaging Corperation. IKONOS Stereo Satellite Imagery [Internet]. 2013. [cited 2013/09/30]. Available from: http://www.satimagingcorp.com/svc/ikonos-stereo-satellite-images.html


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