Geographic information. Imagery sensor models for geopositioning
Geographic information. Imagery sensor models for geopositioning
1 Scope This Technical Specification identifies the information required to determine the relationship between the position of a remotely sensed pixel in image coordinates and its geoposition. It supports exploitation of remotely sensed images . It defines the metadata to be distributed with the image to enable user determination of geographic position from the observations. This Technical Specification specifies several ways in which information in support of geopositioning may be provided.
a) It may be provided as a sensor description with the associated physical and geometric information necessary to rigorously construct a Physical Sensor Model . For the case where precise geoposition information is needed, this Technical Specification identifies the mathematical formulae for rigorously constructing Physical Sensor Models that relate two-dimensional image space to three-dimensional ground space and the calculation of the associated propagated errors. This Technical Specification provides detailed information for three types of passive electro-optical/infrared (IR) sensors (frame, pushbroom and whiskbroom) and for an active microwave sensing system [ Synthetic Aperture Radar ( SAR )]. It provides a framework by which these sensor models can be extended to other
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