Medical Image Density Adjustment for Monitor Replacement
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Solution Overview
Problem
Medical images displayed on new monitors after replacing old monitors in medical facilities appear excessively bright due to deteriorated brightness, and existing tone adjustment techniques require cumbersome calibration processes using special tools.
Innovation Solution
A medical image display apparatus that stores density adjustment values from old monitors and allows users to specify adjustment references for recalculating and updating density values for other images, enabling easy density adjustment without special tools by using change information to adjust display settings based on the reference images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If medical images are displayed on new monitors after replacing old monitors, then the display quality is improved, but the images appear excessively bright due to deteriorated brightness of old monitors
Solution Approach 1:
The system changes the density adjustment values (parameters) stored with medical image data based on the relationship between old and new monitor brightness characteristics. When images are transferred to new monitors, the density parameters are automatically adjusted to compensate for brightness differences, ensuring accurate display without requiring manual recalibration of each image.
2Manufacturing precision
If tone correction is performed using look-up table for GSDF conversion, then appropriate display tones are achieved, but the work becomes troublesome requiring calibration tools
Solution Approach 1:
The system performs preliminary actions by automatically creating and storing density adjustment values when medical images are initially displayed on old monitors. These pre-calculated parameters are then automatically applied when images are transferred to new monitors, eliminating the need for troublesome calibration operations at the time of transfer.
Solution Approach 2:
The system enables self-service by automatically adjusting density parameters based on stored information about the old and new monitor characteristics. The adjustment process occurs automatically without requiring operator intervention or special calibration tools, making the system self-sufficient in maintaining display quality across different hardware.
3Reliability
If density adjustment values are stored with medical image data, then optimized display is achieved on original monitors, but the values become inappropriate when displayed on different monitors
Solution Approach 1:
The system achieves universality by making density adjustment values adaptable to multiple monitor types. Instead of storing fixed density values that work only on original monitors, the system stores adjustment parameters that can be automatically modified based on the target monitor's characteristics, enabling the same medical images to display optimally across different hardware platforms.
Data Source
AI summary
A medical image display apparatus, including: a storage section; a display section; a specification section which receives user's specification of medical image data as an adjustment reference; a display control section which controls the display section to display an adjustment reference medical image on the basis of the medical image data as the adjustment reference and a density adjustment value associated with the medical image data; an adjustment instruction section which receives user's instruction to perform density adjustment of the adjustment reference medical image displayed on the display section; and an overall adjustment section which, for each piece of medical image data other than the medical image data as the adjustment reference, changes a density adjustment value associated with the medical image data on the basis of change information indicating a content changed by the density adjustment.