Scattered X-ray Detection for Unauthorized Person Prediction
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Solution Overview
Problem
The deployment of diagnostic X-ray systems in high-throughput centers, often managed by less qualified personnel, poses risks due to unwarranted exposure of individuals to X-ray radiation, primarily resulting from user unawareness or misuse, especially in stressful or crowded hospital environments.
Innovation Solution
An apparatus utilizing X-ray sensors to measure scatter radiation, which processes these measurements to predict the presence of unauthorized individuals and ensure safe X-ray imaging practices, incorporating a predictor component, alert system, and safety enforcer to adjust radiation settings or shut down the X-ray source as needed, leveraging machine learning algorithms and a grid structure for efficient detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If X-ray imaging is deployed in high-throughput centers with less qualified personnel, then productivity increases, but the risk of unauthorized exposure to radiation increases
Solution Approach 1:
The system continuously monitors scattered radiation levels during imaging procedures and provides real-time feedback to the control system. When unauthorized individuals are detected or radiation levels exceed safe thresholds, the system automatically adjusts exposure parameters or shuts down the X-ray source to prevent harmful exposure, enabling high-throughput operation with enhanced safety monitoring
Solution Approach 2:
The imaging system performs self-monitoring and self-protection by using scattered radiation detection to automatically identify unauthorized persons in the vicinity. The system independently adjusts operational parameters or terminates exposure without requiring constant human intervention, allowing less qualified personnel to operate the system safely while maintaining high productivity
2Reliability
If scattered radiation monitoring is implemented to detect unauthorized individuals, then safety improves, but device complexity increases
Solution Approach 1:
The scattered radiation detection system serves multiple functions simultaneously: it monitors for unauthorized individuals, measures radiation exposure levels, and provides data for image reconstruction. This multi-functionality allows the system to enhance safety without proportionally increasing complexity, as the same detection infrastructure supports multiple safety and operational objectives
Solution Approach 2:
The system uses scattered radiation as an intermediary signal to detect the presence of unauthorized individuals. Rather than requiring direct detection devices or complex sensors, the system leverages the naturally occurring scattered radiation from the imaging process itself as a diagnostic signal, simplifying the overall system architecture while maintaining high reliability
3Reliability
If real-time scatter measurement and prediction are performed, then unauthorized individuals can be detected, but loss of time in processing increases
Solution Approach 1:
The system performs preliminary calibration and establishes prediction models during system setup or idle periods, storing pre-computed parameters and thresholds for rapid during-imaging analysis. This preliminary preparation enables real-time detection and prediction during actual imaging procedures without significant processing delays, maintaining both high reliability and efficiency
Solution Approach 2:
The system implements a tiered monitoring approach where basic scatter measurement and simple threshold comparisons are performed continuously at high speed, while more computationally intensive prediction algorithms are activated only when anomalies are detected or during less critical imaging phases. This partial application of full analysis maintains detection accuracy while minimizing overall processing time
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
Enhances operational safety by reducing the risk of radiation exposure to unauthorized individuals, allowing less qualified personnel to operate X-ray imaging systems safely and providing real-time alerts and adjustments to ensure appropriate radiation doses for patients, thereby improving safety and reducing misuse risks.
Implementation Method 1
an X-ray sensor for receiving an X-radiation scatter measurement obtained by at least one X-ray sensor during operation of an X-ray imager
Data Source
AI summary
An apparatus and related method for supporting X-ray imaging. The apparatus comprises an input interface (IN) for receiving an X-radiation scatter measurement obtained by an X-ray sensor (SXi) during operation of an X-ray imager (XI) for imaging a first object (PAT). A predictor component (PC) is configured to predict, based on said measurement, whether or not: i) a second object (P) is present, or ii) there is sufficient X-ray exposure of said first object (PAT). The apparatus comprises an output interface (OUT) for outputting a predictor signal indicative of an outcome of said prediction.