Radiographic Imaging Device Segmentation for Long-Length Capture
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Solution Overview
Problem
Existing radiographic image capture systems require complex electrical synchronization and interconnection of multiple imaging devices for long-length imaging, leading to increased apparatus size and cost, as well as unnecessary complexity in timing control.
Innovation Solution
A radiographic image capture system where multiple imaging devices are placed adjacent to each other, with each device independently transitioning from a preparatory to an imaging state upon receiving a transition command, allowing for the generation of elongated image data without the need for electrical synchronization of the radiation source or devices, and utilizing a preparatory action that includes resetting electric charges to enhance image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If multiple electronic cassettes are electrically interconnected and synchronized to perform long-length imaging, then elongated radiographic images can be captured, but the configuration becomes complicated and the apparatus size increases
Solution Approach 1:
The system divides the imaging task into independent segments handled by multiple electronic cassettes that operate autonomously. Each cassette captures images independently without requiring electrical interconnection or synchronization with other cassettes, eliminating the complexity of coordinated control while achieving long-length imaging through post-capture assembly of multiple images
Solution Approach 2:
The system introduces a post-processing assembly step as an intermediary between image capture and final image production. Multiple independently captured images are assembled afterward to form the complete elongated radiographic image, avoiding the need for real-time electrical synchronization and complex timing control during the capture process
2Productivity
If multiple electronic cassettes are electrically interconnected with timing control to synchronize image capture, then coordinated long-length imaging can be performed, but the timing control becomes complicated
Solution Approach 1:
The system performs preliminary independent capture actions by each electronic cassette without waiting for synchronization signals. Each cassette is pre-configured to operate independently, and the coordination is achieved through post-capture assembly rather than pre-coordinated timing control, eliminating complex timing mechanisms
3Length of moving object
If a parallel moving mechanism is used to move the electronic cassette or subject, then long-length imaging can be performed, but the apparatus becomes larger in scale
Solution Approach 1:
The system uses multiple stationary electronic cassettes positioned at different locations to capture multiple images simultaneously or sequentially. Instead of moving one cassette over a long distance, the system creates multiple image copies from different cassettes and assembles them, eliminating the need for large-scale moving mechanisms
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the capture of high-quality elongated radiographic images without the need for complex electrical connections or synchronization, simplifying the imaging process and reducing costs, while allowing for portable and flexible long-length imaging.
Implementation Method 1
a radiation detector that detects radiation applied from a radiation source and has passed through a subject to acquire image data representing a radiographic image of the subject
Data Source
AI summary
A radiographic image capture system includes: a radiographic image capture section, an output section and a generation section. The radiographic image capture section has plural radiographic imaging devices are placed adjacent to each other in a predetermined direction. Each of the radiographic imaging devices independently performs an imaging action, a preparatory action that is performed before the imaging action, and a transition action in which the radiographic imaging device transitions, in response to a transition command, from a first state in which the radiographic imaging device performs the preparatory action to a second state in which the radiographic imaging device performs the imaging action. The output section outputs the transition command to the plurality of radiographic imaging devices when imaging condition data has been input. The generation section combines image data acquired by the radiographic imaging devices and generates elongated image data representing an elongated radiographic image.