Radiometric error in an image is introduced due to __________________
(a.) Brightness of the image
(b.) Curvature of the earth
(c.) Emissions from the surface
(d.) Sensor properties
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a) brightness of the image
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The correct answer is (a) Brightness of the image.Radiometric error in an image is introduced due to different aspects of brightness values of an image.
Radiometric corrections are essential as there's a variation in the illumination of a scene. It varies due to a variation in the specific sensor as well as the platform that is utilised to acquire the data. Hence, the calibration of the data is important in such circumstances.
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