Cosmic ray muon scattering imaging method, system and equipment

Calculate the most 3D scattering traces of muons through Bayesian inference and particle multiple library scattering distribution function, which solves the problem of low image reconstruction accuracy in cosmic ray muons scattering imaging system, and realizes high-quality scattering density image reconstruction.

CN120428299AActive Publication Date: 2025-08-05UNIV OF SCI & TECH OF CHINA
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Patent Information

Application Number
CN202510932924.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-08
Publication Date
2025-08-05
Estimated Expiration
2045-07-08

AI Technical Summary

Technical Problem

In the prior art, the image reconstruction quality of the cosmic ray muon scattering imaging system is limited by the position resolution and area of the scattering system. It is difficult for traditional algorithms to efficiently utilize scattering information, resulting in low accuracy of the reconstruction image.

Method used

Using Bayesian inference and particle multiple library scattering distribution functions, we calculate the most 3D scattering traces of muons in the area to be imaged, and reconstruct the scattering density image based on muon direction information.

Benefits of technology

It improves the utilization efficiency of muson events, prevents the scattering point from detaching the imaging area, improves the quality of the scattering density image, and better fits the real scattering track.

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Abstract

The invention discloses a cosmic ray muon scattering imaging method, system and device, and relates to the field of ray imaging, and the method comprises the steps: obtaining the direction information of muons in a to-be-imaged region; calculating the most probable three-dimensional scattering track of the muons in the to-be-imaged region based on Bayesian inference and a particle multiple coulomb scattering distribution function according to the direction information of the muons in the to-be-imaged region; and reconstructing a scattering density image in the to-be-imaged region according to the direction information of the muon in the to-be-imaged region and the most probable three-dimensional scattering track. By calculating the most probable three-dimensional scattering track, the scattering points can be effectively reconstructed, the utilization efficiency of muon events is improved, the scattering points are prevented from being separated from the to-be-imaged area, the most probable three-dimensional scattering track better fits the real scattering track, and then the quality of the scattering density image is improved.
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