Radiation imaging apparatus, radiation imaging system, and control method of radiation imaging apparatus

By introducing conversion elements, radiation determination unit and frame rate estimation unit into the radiation imaging device, the frame rate estimation and time offset problems in the absence of synchronous communication are solved, and the stable operation and step-level adjustment of the device are achieved.

JP2025042872APending Publication Date: 2025-03-28CANON KK
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Patent Information

Application Number
JP2023150052
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-15
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to estimate the video frame rate and adjust the integral time without synchronous communication, resulting in a gradual shift in time and step-level adjustments are required.

Method used

A radiation imaging device is designed, which includes a conversion element for converting radiation into an electrical signal, a radiation determination unit is used to determine whether radiation exists based on the electrical signal of the specified periodic conversion element, and a frame rate estimation unit is used to estimate the frame rate based on the results of the radiation determination unit.

Benefits of technology

It realizes estimating the frame rate without synchronous communication, avoids time offset problems, and ensures stable operation of the device through step-level adjustments.

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Abstract

To enable a frame rate to be estimated without performing synchronous communication.SOLUTION: A radiation imaging apparatus includes: a conversion element for converting a radiation to an electric signal; an irradiation determination unit for determining whether or not a radiation is emitted on the basis of the electric signal obtained by the conversion by the conversion element at a predetermined cycle; and a frame rate estimation unit for estimating a frame rate on the basis of the result of the determination by the irradiation determination unit.SELECTED DRAWING: Figure 3
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