Staring imaging simulation and quality evaluation method and device taking regard of satellite comprehensive motion

A technology of staring imaging and imaging quality, which is applied in the field of remote sensing satellite image processing and can solve problems that need to be studied

Active Publication Date: 2015-12-09
SPACE STAR TECH CO LTD
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Problems solved by technology

At present, the application of agile satellite staring imaging is still in the early stages of development. Due to the influence of attitude pointing accuracy, attitude stabilit

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  • Staring imaging simulation and quality evaluation method and device taking regard of satellite comprehensive motion
  • Staring imaging simulation and quality evaluation method and device taking regard of satellite comprehensive motion
  • Staring imaging simulation and quality evaluation method and device taking regard of satellite comprehensive motion

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Embodiment Construction

[0019] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0020] figure 1 A flow chart illustrating a simulation of staring imaging considering integrated motion of satellites according to an embodiment of the present invention. figure 2 A flow chart showing a staring imaging simulation and quality assessment method considering satellite comprehensive motion according to another embodiment of the present invention. like Figure 1-2 As shown, the method mainly includes:

[0021] Step 101, according to application requirements, design load physical parameter indexes.

[0022] Specifically, the payload physical parameter indicators include, for example, the sensor size of the area array camera and the probe size, focal length, exposure time, camera installation angle, etc.

[0023] Step 102, according to the design index of the satellite platform, simul...

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Abstract

The present invention provides a staring imaging simulation and quality evaluation method and device taking regard of satellite comprehensive motion, the method is as follows: according to the application requirements, load physical parameter indexes are designed; according to the satellite platform design specifications, a satellite motion trail under ideal state is simulated, and perturbation factors are corrected; according to the satellite motion trail and imaging target location, an attitude maneuver angle at the moment of satellite staring imaging can be automatically calculated, and drift angle is corrected; according to the satellite motion trail, attitude data and camera design parameters and the like, an ideal staring imaging simulation image is generated; by discretization of the exposure time, transient simulation image sequences with satellite motion errors within the exposure time can be generated, a first exposed simulation image is synthesized, an edge method is used for statistics of image MTF value, target staring imaging quality under satellite comprehensive motion can be evaluated, the staring imaging simulation and quality evaluation method achieves the target staring imaging image simulation under satellite comprehensive motion, and staring imaging image quality evaluation taking regard of satellite comprehensive motion.

Description

technical field [0001] The invention relates to the technical field of remote sensing satellite image processing, in particular to a staring imaging simulation and quality evaluation method and device considering satellite comprehensive motion. Background technique [0002] In recent years, relevant research institutions at home and abroad have successively carried out a large number of research and development work on agile imaging remote sensing satellites, especially low-orbit video small satellites, which have become the most potentially commercially valuable remote sensing observation means in the fields of target tracking and dynamic monitoring. The agile imaging remote sensing satellite achieves staring imaging of the target through attitude maneuvering, acquires multiple area array sequence images of the target object in a short time, can quickly obtain target information, and can also synthesize multiple frames of images into video to provide target object informatio...

Claims

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Application Information

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IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 刘一良肖倩马灵霞贺誉宋学忠张子健汪红强
Owner SPACE STAR TECH CO LTD
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