Radiographic Tube Alignment Using Optical Angle Overlay
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Solution Overview
Problem
Existing radiographic imaging systems struggle with adjusting the orientation of the tube relative to the radiographic imaging device, particularly when the imaging surface is not parallel or orthogonal to the horizontal plane, leading to difficulties in preventing density variations and maintaining accurate positional relationships in the radiographic image.
Innovation Solution
A radiographic imaging system equipped with an optical camera, display, and hardware processor that calculates and superposes angle information on the optical image, allowing for intuitive adjustment of the tube orientation relative to the imaging device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If only numerical angle values are displayed, then the information is precise, but the user cannot intuitively grasp the postures and adjust the tube orientation smoothly
Solution Approach 1:
The patent creates a visual copy of the radiographic imaging device and tube in the optical image display, showing their relative positions and orientations. This graphical representation allows users to intuitively understand the spatial relationship and adjust the tube orientation smoothly, while the underlying numerical angle data is still available for precise control.
2Adaptability or versatility
If the imaging surface is not parallel or orthogonal to the horizontal plane, then the system is adaptable to various imaging positions, but density variations occur and positional relationships become inaccurate
Solution Approach 1:
The patent implements a feedback mechanism where the optical camera continuously monitors the orientation of the radiographic imaging device and tube, calculates angle information, and displays visual feedback to the user. This allows real-time adjustment to achieve the correct orthogonal relationship between the radiation beam and imaging surface, ensuring accurate radiographic images even when the imaging surface is positioned at various angles.
Solution Approach 2:
The system dynamically adjusts the tube orientation parameters based on the detected imaging device orientation. By changing the tube's angular parameters to maintain orthogonality with the imaging surface regardless of its position, the system preserves image accuracy while adapting to various imaging configurations.
3Ease of operation
If visual angle information is superposed on the optical image, then the user can intuitively grasp postures, but the device complexity increases
Solution Approach 1:
The patent merges the optical image from the camera with the calculated angle information in a single composite display. By superposing visual indicators directly on the optical image rather than showing separate displays, the system provides intuitive posture information while consolidating multiple functions into one interface, thereby limiting the increase in device complexity.
Data Source
AI summary
A radiographic imaging system includes: an optical camera that obtains an optical image; a display that displays the optical image obtained by the optical camera; a radiation emitter that emits radiation to a radiographic imaging device that generates a radiographic image; and a hardware processor. The hardware processor calculates angle information of the radiographic imaging device in a right-left direction and an up-down direction with respect to a direction of the radiation emitted by the radiation emitter. The hardware processor superposes predetermined information on the optical image and displays the predetermined information and the optical image on the display. The predetermined information is based on the calculated angle information of the radiographic imaging device in the right-left direction and the up-down direction.