A fast detection and positioning method for space debris based on a spaceborne visible light camera

Abstract

The invention discloses a space debris fast detection and positioning method based on a space-borne visible camera, relates to the space debris on-orbit fast identification, matching and positioning method based on the space-borne visible camera, and belongs to the field of spacecraft guidance and control. The method comprises the steps: numbering debris orbits in an image shot by the space-borne visible camera through a communication domain detection method; identifying target geometrical characteristics, and saving the debris imaging orbit geometrical characteristics; according to the image acquisition time and the debris imaging geometrical characteristics, making an inter-frame matching criterion, carrying out inter-frame matching, and making the debris imaging orbits between frames correspond to one by one; and according to the inter-frame matching result, calculating a target azimuth angles alpha and beta, and completing debris azimuth angle positioning. The identification, matching and positioning of the space debris imaging can be realized, and the high matching rate and the high positioning accuracy can be satisfied. In addition, according to the inter-frame matching result, ROI region selection is performed, the calculation efficiency of the communication domain detection is improved, and the problem of limited calculation resources on a star can be solved.

Description

technical field [0001] The invention relates to a rapid detection and positioning method for space debris, in particular to a space debris space-based visible light camera on-orbit rapid identification, matching and positioning method, which belongs to the field of spacecraft guidance and control. Background technique [0002] Space debris on-orbit identification and parameter identification have special advantages in space debris orbit determination, space collision early warning, and spacecraft collision avoidance. At present, ground-based observation is mainly used to detect and locate space debris. However, ground-based observation methods are easily limited by conditions such as the curvature of the earth, atmospheric refraction, weather, and observation time windows. In contrast, space-based observation has the advantages of wide detection range, not affected by the earth's atmosphere, weather, etc., wide coverage, and high detection accuracy. [0003] Due to the rel...

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Problems solved by technology

[0004] The technical problem to be solved by a space debris rapid detection and positioning method based on a spaceborne visible light camera disclosed by the present invention is to realize the identification, matching, and positioning of space debris imaging, and can meet high matching rate and high positioning accuracy, and can also solve The problem of limited computing resources on the star

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