Dual-Mode Markers for X-Ray Security Screening Identification
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Solution Overview
Problem
X-ray security screening at checkpoints faces challenges in identifying suspect containers due to the difficulty in visually distinguishing them from other containers in x-ray images, leading to potential misidentification and inefficiencies, especially in high-volume screening environments.
Innovation Solution
The introduction of an x-ray screening accessory featuring a bin with a marker that includes both x-ray readable and human visible indicia, allowing for easy identification of containers by operators, either through combined or separate positioning of these components, which can also serve as a measuring tool or coordinate system, facilitating accurate container recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional x-ray screening without markers is used, then the screening process is simpler, but the identification of suspect containers becomes difficult and error-prone
Solution Approach 1:
Markers are pre-applied to containers before screening, containing both human-visible and x-ray readable components. This preliminary action ensures that when suspect containers are identified in x-ray images, operators can quickly locate them using the corresponding visible markers, eliminating the need for complex real-time identification systems.
Solution Approach 2:
The marker serves as an intermediary element that bridges the gap between x-ray imaging and visual identification. The marker's dual-component design (human-visible and x-ray readable) allows it to function in both domains, enabling operators to correlate x-ray findings with physical container locations without requiring complex imaging-to-physical mapping systems.
2Measurement precision
If markers with both x-ray readable and human visible components are added to bins, then container identification accuracy improves, but the complexity of the screening accessory increases
Solution Approach 1:
The marker combines multiple functions into a single component: it provides human-visible identification markings, contains x-ray readable materials for radiographic detection, and can incorporate measurement scales. This merging eliminates the need for separate identification systems and simplifies the overall structure despite the multifunctional requirements.
Solution Approach 2:
The marker is designed as a universal identification tool that serves multiple purposes: visual identification by operators, detection in x-ray images, and providing measurement references. This multi-functionality reduces the need for multiple separate devices and maintains structural simplicity while achieving high identification precision.
3Productivity
If markers are applied to each bin, then each container can be uniquely identified, but the time and resources required for marker application increase
Solution Approach 1:
The markers are designed as inexpensive, disposable components that can be rapidly applied to containers. Their low cost allows for high-volume application without significant resource investment, and they can be pre-applied during container manufacturing or distribution, eliminating the need for time-consuming application processes at screening locations.
4Difficulty of detecting and measuring
If the marker includes measurement tools and coordinate systems, then the ability to detect and measure items improves, but the marker design becomes more complex
Solution Approach 1:
Measurement scales and coordinate system markings are integrated directly into the marker's visual design, combining identification and measurement functions in a single component. This merging allows operators to perform both identification and measurement tasks using the same marker without requiring additional tools or complex systems.
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
The markers enable operators to quickly and accurately identify containers holding items of interest, reducing the risk of misidentification and enhancing the efficiency of security screenings by providing visual cues that are both visible in x-ray images and to the naked eye.
Implementation Method 1
X-ray technology is often an integral part of comprehensive security programs and is widely used to screen individuals and bags for weapons and other unauthorized items
Data Source
AI summary
Embodiments of the present disclosure are directed to x-ray screening accessories and methods of facilitating x-ray screening.