Dynamic Test Image Generation for Medical Display Scaling
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Solution Overview
Problem
The TG-18 test images, designed for specific display resolutions, are not properly scaled for the varying display sizes of mobile devices accessing medical image data from Picture Archiving and Communication Systems (PACS), potentially compromising image quality and diagnostic accuracy.
Innovation Solution
A method for dynamically generating test images on a server based on client device display size, adjusting component sizes and margins to ensure appropriate rendering on any client device, including scaling components and borders to fit the display dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If TG-18 test images are used as designed for specific display resolutions, then image quality is maintained on standard displays, but the test images are not properly scaled for mobile devices with varying display sizes
Solution Approach 1:
The test image generation system dynamically adjusts image parameters based on the client device's display characteristics. The server receives display size information from the client device and generates test images with appropriately scaled components and borders in real-time, making the system adaptable to various mobile device screens while maintaining diagnostic quality
Solution Approach 2:
The system changes key parameters of the test image including component size, border width, and margin dimensions based on the client device's display resolution. By modifying these parameters dynamically, the system ensures proper scaling for different screen sizes while preserving the essential diagnostic features of the test images
2Adaptability or versatility
If test image components are scaled to fit smaller mobile displays, then adaptability to mobile devices is improved, but the complexity of image generation increases
Solution Approach 1:
The system performs preliminary actions by first receiving display size information from the client device before generating the test image. This allows the server to pre-calculate appropriate scaling factors and parameter adjustments based on the specific device characteristics, simplifying the subsequent image generation process
Solution Approach 2:
The server acts as an intermediary between the standard TG-18 test image specifications and the diverse mobile device displays. It receives display information from the client, processes this information to determine appropriate scaling parameters, and generates the adapted test image, thereby mediating between fixed standards and variable display characteristics
Data Source
AI summary
In a remote access environment that includes a server, a client device may remotely access, e.g., medical images from the server and may be provided with a mechanism to retrieve a test image, such as the TG-18 CT or TG-18 MP sample test patterns. The client device communicates display size information to the server, which generates the test image on-the-fly for the particular display size of the client device. For example, components in the test image and borders may be scaled to create an appropriate test image for any client device.