X-ray imaging device and treatment tool identification method

By combining multiple X-ray images obtained from different angles and moments, the parameter calculation unit selects the combination with the highest accuracy to calculate the three-dimensional position of the treatment tool, solving the problem that it is difficult to accurately calculate the three-dimensional position of the treatment tool in the prior art, achieving high-precision position measurement, and eliminating the influence of body movement.

CN114617564BActive Publication Date: 2025-03-28FUJIFILM CORP
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Patent Information

Application Number
CN202111471867.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-12-09
Filing Date
2021-12-03
Publication Date
2025-03-28
Estimated Expiration
2041-12-03

AI Technical Summary

Technical Problem

The prior art is difficult to accurately calculate the three-dimensional position of the treatment tool by processing X-ray images without using a body motion monitor, and it is difficult to eliminate the influence of body motion.

Method used

The three-dimensional position of the treatment tool is calculated by using a combination of multiple images from multiple X-ray images acquired from different angles and moments. The specific method is to use the parameter calculation unit to compare the parameters of multiple combinations and select the combination with the highest accuracy to calculate the three-dimensional position of the treatment tool.

Benefits of technology

It is realized that the three-dimensional position of the treatment tool is accurately calculated without using the body movement monitor, and the impact of body movement on position accuracy is suppressed.

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Abstract

The present invention relates to an X-ray imaging device and a treatment tool identification method. Provided is a technique that can calculate the three-dimensional position of a treatment tool by processing only X-ray images without using external signals such as a body motion monitor, and can eliminate the influence of body motion. From a plurality of X-ray images acquired at different angles / times, a plurality of combinations such as a combination of a plurality of X-ray images are used, and a parameter that is an index of the calculation accuracy of the three-dimensional position of the treatment tool is obtained for each combination, and the three-dimensional position of the treatment tool is calculated from the combination of X-ray images that is the parameter with the highest accuracy.
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