A Method for Automatic Relative Registration of GF-4 Satellite Sequence Images
A technology of sequential images and satellite images, applied in the field of geometric processing of remote sensing images, can solve problems such as complex geometric deformation of images, and achieve fast calculation speed, no need for manual interaction, and simple processing procedures
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[0023] The idea of this technique is to use a linear function to describe the positional offset relationship of GF-4 satellite sequence images to achieve pixel-by-pixel registration. The necessary condition is: there are only The positional relationship between rotation and translation is approximately consistent with the complex geometric distortion inside. This necessary condition is related to the imaging characteristics of GF-4 satellite, and the specific analysis is as follows:
[0024] First, the GF-4 satellite adopts a geostationary satellite orbit. The GF-4 satellite is China's first geosynchronous orbit remote sensing satellite, operating in a geosynchronous orbit at a distance of 36,000 kilometers from the earth, with a fixed point at 105.6°E. The position of the geostationary satellite relative to the earth is fixed, its imaging geometry is constant, and the geometric relationship between any point within the observable range of the earth and the imaging point of...
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