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Statements

Subject Item
dbr:Advanced_Space_Vision_System
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Advanced Space Vision System
rdfs:comment
The Advanced Space Vision System (also known as the Space Vision System or SVS) is a computer vision system designed primarily for International Space Station (ISS) assembly. The system uses regular 2D cameras in the Space Shuttle bay, on the Canadarm, or on the ISS along with cooperative targets to calculate the 3D position of an object.
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The Advanced Space Vision System (also known as the Space Vision System or SVS) is a computer vision system designed primarily for International Space Station (ISS) assembly. The system uses regular 2D cameras in the Space Shuttle bay, on the Canadarm, or on the ISS along with cooperative targets to calculate the 3D position of an object. Because of the small number of viewing ports on the station and on the shuttle, most of the assembly and maintenance is done using cameras, which do not give stereoscopic vision, and thus do not allow a proper evaluation of depth. In addition the difficult conditions created by the particular conditions of illumination and obscurity in space, make it much more difficult to distinguish objects, even when the assembly work can be viewed directly, without using a camera. For instance, the harsh glare of direct sunlight can blind human vision. Also, the contrasts between objects in black shadows and objects in the solar light are much greater than in Earth's atmosphere, even where no glare is involved.
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