X-ray Baggage Inspection Image Customization via Pixel Shading
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Solution Overview
Problem
X-ray inspection systems face challenges in detecting contraband and security threats, particularly those made from materials that do not exhibit strong contrast in X-ray images, and human error can occur due to high workloads in processing X-ray images, necessitating improved image processing and customization of colorization schemes to enhance threat detection.
Innovation Solution
An X-ray inspection image display system that receives a colorized X-ray image from an existing system and applies pixel shading to generate a custom colorized image with a different false colorization scheme, allowing for tailored highlighting of materials of concern, adaptable to specific use cases and evolving threats without requiring cooperative development with the system manufacturer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If advanced image processing and custom colorization schemes are implemented, then detection accuracy of diverse materials is improved, but system complexity and processing time increase
Solution Approach 1:
The system segments the image processing function into separate modules: the existing X-ray system generates initial colorized images, while the display system independently applies custom colorization schemes and filtering. This modular approach allows enhanced detection capabilities without requiring complete system redesign, thus managing complexity while improving accuracy.
Solution Approach 2:
The system performs preliminary image processing and colorization in the display system before final presentation. By pre-processing images with multiple colorization schemes and storing processed results, the system reduces real-time processing complexity during actual screening operations.
2Measurement precision
If multiple colorization schemes are applied to highlight different materials, then detection capability is improved, but processing time increases
Solution Approach 1:
The system applies multiple colorization schemes selectively based on screening needs. Instead of processing all possible material types equally, it prioritizes colorization schemes for materials of greatest concern, applying partial processing to achieve sufficient detection capability within time constraints.
Solution Approach 2:
Multiple colorization schemes are pre-computed and stored for different material types. During actual screening, the system quickly retrieves and applies the appropriate pre-processed colorization scheme rather than computing it in real-time, significantly reducing processing time while maintaining detection capability.
3Adaptability or versatility
If aftermarket customization is implemented without manufacturer cooperation, then adaptability to specific use cases is improved, but system integration complexity increases
Solution Approach 1:
The system uses an intermediary software layer that interfaces between the existing X-ray system and the custom display system. This intermediary handles data exchange and coordination without requiring direct manufacturer cooperation, enabling customization while managing integration complexity through standardized communication protocols.
Solution Approach 2:
The display system is designed with universal interfaces that can work with multiple different X-ray system types and manufacturers. By implementing multi-functional compatibility layers, the system achieves high adaptability to specific use cases without increasing integration complexity for each new configuration.
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
This solution enhances the detection of diverse materials of concern by providing a customizable and efficient image processing system that can be implemented as an aftermarket solution, reducing false negatives and false positives, and improving workflow efficiency in high-volume screening environments.
Implementation Method 1
An X-ray inspection system includes an X-ray scanner and ancillary hardware such as baggage conveyor belts or the like, and a computer for controlling acquisition and processing of the X-ray images
Implementation Method 2
The colorized X-ray inspection image is filtered by performing pixel shading on the colorized X-ray inspection image to generate a custom colorized X-ray inspection image having a custom false colorization scheme
Data Source
AI summary
In an approach to X-ray inspection image display systems, a colorized X-ray inspection image is received comprising a monochrome X-ray inspection image that is colorized in accordance with an X-ray inspection system false colorization scheme. The colorized X-ray inspection image is filtered by performing pixel shading on the colorized X-ray inspection image to generate a custom colorized X-ray inspection image having a custom false colorization scheme that is different from the X-ray inspection system false colorization scheme.