In remote sensing, ground sample distance (GSD) in a digital photo of the ground from air or space is the distance between pixel centers measured on the ground. For example, in an image with a one-meter GSD, adjacent pixels image locations are 1 meter apart on the ground.[1] GSD is a measure of one limitation to spatial resolution or image resolution, that is, the limitation due to sampling.[2]
GSD is also referred to as ground-projected sample interval (GSI) and is related to the ground-projected instantaneous field of view (GIFOV).[3]
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See also
References
- ^ NZ Aerial Mapping Ltd (2009). "Frequently Asked Questions: What Is Ground Sample Distance?". Archived from the original on 2018-11-29. Retrieved 2009-07-25.
- ^ Jon C. Leachtenauer and Ronald G. Driggers (2001). Surveillance and Reconnaissance Imaging Systems: Modeling and Performance Prediction. Artech House. pp. 30–31. ISBN 978-1-58053-132-0.
- ^ Ronald G. Driggers (2003). Encyclopedia of Optical Engineering. CRC Press. p. 1392. ISBN 978-0-8247-4251-5.
This page was last edited on 29 April 2024, at 18:26