Dynamic Display Speed Control for 3D Medical Image Interpretation
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Solution Overview
Problem
Current image interpretation techniques, such as those described in PTL 1, result in increased overall image interpretation time due to delayed display speeds for non-essential image portions, leading to increased operator stress and reduced interactivity during the process.
Innovation Solution
An image processing device that calculates primary and secondary display control information to dynamically adjust the display speed of two-dimensional images generated from three-dimensional medical images, allowing for interactive and efficient image interpretation by prioritizing the display of high-suspicion disease regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the display speed is uniformly delayed for all image sections intersecting with the interest region, then the image interpretation thoroughness is improved, but the overall image interpretation time increases and operator stress increases
Solution Approach 1:
The patent applies local quality by differentiating display control between different image sections. Specifically, image sections determined to contain high-suspicion disease regions (interest regions) are displayed at a first, slower speed to ensure thorough interpretation, while other image sections are displayed at a second, faster speed. This selective application of display speeds based on local image content resolves the contradiction by maintaining reliability where needed while reducing overall interpretation time.
Solution Approach 2:
The patent segments the image interpretation process into distinct phases: a first image section corresponding to the interest region containing high-suspicion disease areas, and a second image section covering other areas. By segmenting the display control based on the presence of interest regions, the system can apply different display speeds to different segments, thereby improving thoroughness for critical areas while maintaining efficiency for non-critical areas.
2Reliability
If the display speed is automatically decreased for image sections intersecting with the interest region, then the attention to disease regions is improved, but the interactivity of the operation is reduced and operator stress increases
Solution Approach 1:
The patent implements dynamic display control where the display speed is not fixed but adapts based on the detected presence of interest regions. The system dynamically adjusts between a first display speed for image sections with high-suspicion disease regions and a second display speed for other sections. This dynamic adjustment maintains interactivity by allowing operators to control the display while ensuring critical regions receive appropriate attention.
3Measurement precision
If the display speed is delayed for all image sections, then the image interpretation accuracy is improved, but the productivity of image interpretation is reduced
Solution Approach 1:
The patent applies local quality by ensuring high display speed (and thus interpretation accuracy) is applied selectively only to image sections containing interest regions with high-suspicion disease regions, while other image sections are displayed at faster speeds. This localized application of slow display speeds maintains accuracy where it matters most while preserving overall productivity.
Solution Approach 2:
The patent applies partial action by implementing display speed control only for the necessary portion of the image data - specifically, the image sections intersecting with interest regions. Rather than uniformly slowing down the entire image interpretation process, the system applies the accuracy-enhancing slow display speed only where disease regions are suspected, thereby maintaining productivity for the remainder of the interpretation process.
Data Source
AI summary
An image processing device and an image processing method that performs image interpretation as fast as possible, without oversight by an interactive operation, when performing the image interpretation of a large amount of volume data in which an interest region is set in advance are provided. The image processing device that generates a two-dimensional image from a captured three-dimensional image and displays the generated two-dimensional image receives an input signal relating to primary display control information including a speed of a display control input of the two-dimensional image, calculates the primary display control information from the input signal, calculates secondary display control information including a display speed of the two-dimensional image based on information of an interest region and the primary display control information, and sequentially generates the two-dimensional images based on the secondary display control information and displays the generated two-dimensional image.