Radiation Imaging Control Using Adaptive Offset Data Generation
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Solution Overview
Problem
Radiation imaging systems with imaging apparatuses of varying capabilities face image quality degradation and prolonged startup times when controlled uniformly, particularly due to the lack of stabilization mechanisms in some apparatuses, leading to temporal changes in offset data that affect image quality.
Innovation Solution
A radiation imaging system that includes an obtainment unit to determine the usage mode of each imaging apparatus, a control unit to generate and manage offset data, and an image processing unit to correct radiation images using offset data, deciding whether to generate offset data between imaging preparation and radiation emission based on the apparatus's capability to suppress temporal changes in offset data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If uniform control is applied to all imaging apparatuses regardless of their capabilities, then control simplicity is maintained, but image quality degrades in apparatuses without stabilization mechanisms
Solution Approach 1:
The control method dynamically adapts to different imaging apparatuses by detecting whether stabilization mechanisms are present. The control unit selectively applies different control strategies: for apparatuses with stabilization mechanisms, standard control is used; for those without, enhanced control measures are implemented to compensate for temporal changes in offset data, thereby maintaining image quality across diverse equipment while preserving operational simplicity.
Solution Approach 2:
The system changes control parameters based on the detected capabilities of the imaging apparatus. When no stabilization mechanism is detected, the system modifies the offset data generation timing and correction methodology to account for temporal variations, effectively adapting the control parameters to match the apparatus capabilities and maintain consistent image quality.
2Manufacturing precision
If offset data is generated immediately before radiation emission for all apparatuses, then image quality is maintained in apparatuses without stabilization mechanisms, but imaging preparation time increases
Solution Approach 1:
The system performs preliminary detection of the imaging apparatus capabilities and pre-plans the offset data generation strategy. For apparatuses without stabilization mechanisms, offset data is generated immediately before radiation emission to capture the most current offset values. For apparatuses with stabilization mechanisms, offset data can be generated earlier and reused, avoiding unnecessary delays in imaging preparation.
Solution Approach 2:
The timing of offset data generation is dynamically adjusted based on the detected stabilization capability. The control unit implements a flexible timing strategy that adapts to each apparatus, generating offset data at optimal moments to balance image quality requirements with efficient imaging preparation timelines.
3Manufacturing precision
If offset data is generated frequently to suppress temporal changes, then image quality is maintained, but productivity decreases due to repeated generation processes
Solution Approach 1:
The system applies different offset data generation frequencies to different imaging apparatuses based on their local characteristics. Apparatuses without stabilization mechanisms receive frequent offset data generation to suppress temporal changes, while apparatuses with stabilization mechanisms use less frequent generation. This localized approach ensures image quality where needed without unnecessarily reducing overall system productivity.
Solution Approach 2:
The generation frequency parameter is changed based on the stabilization capability detection. The control unit implements adaptive frequency control, modifying the offset data generation interval according to the specific apparatus requirements, thereby optimizing the balance between maintaining image quality and preserving imaging efficiency across the system.
Data Source
AI summary
A radiation imaging system includes an imaging apparatus, an obtainment unit configured to obtain a usage mode of the imaging apparatus, a control unit configured to control the imaging apparatus to generate a radiation image and offset data, and an image processing unit configured to correct the radiation image by using the offset data. The control unit determines, based on a capability to suppress a temporal change of offset data according to the usage mode, whether to cause the imaging apparatus to generate the offset data between a start of imaging preparation and a start of radiation emission.