Adaptive UI Objects for Medical Imaging Touch Displays
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Solution Overview
Problem
Users face difficulties in accurately selecting points close to the edge of a touch-sensitive display using existing teardrop-shaped measurement calipers and struggle with precise measurements due to finger obstruction, especially when using touch-based user interfaces in medical imaging devices.
Innovation Solution
A medical imaging device with a touch-sensitive display and a processor that adjusts the position of UI objects and their selection points in response to user inputs, automatically repositioning them when within a threshold distance from other UI objects or the edge of the display to enhance accuracy and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a teardrop-shaped measurement caliper is used for touch-based selection, then the user can manipulate the caliper to select measurement points, but the user cannot accurately select points close to the edge of the display and the pointed end cannot be positioned on desired anatomy close to the edge
Solution Approach 1:
The patent applies dynamics by making the UI object adaptable through automatic repositioning. When the UI object approaches the edge of the display or another UI object, the system automatically adjusts its position and orientation to maintain optimal usability. This dynamic adaptation resolves the contradiction by allowing the UI object to retain its teardrop shape for easy manipulation while automatically repositioning to enable accurate selection near edges.
Solution Approach 2:
The patent changes parameters of the UI object's position and orientation automatically based on its location relative to the display edge and other UI objects. This parameter change enables the selection point to remain accessible and accurate near edges while maintaining the intuitive teardrop shape for user manipulation.
2Measurement precision
If a teardrop-shaped measurement caliper is used, then the shape helps users accurately select measurement points, but the user's fingers obscure the UI object making accurate measurements difficult
Solution Approach 1:
The system dynamically repositions the UI object in response to touch input, automatically adjusting its location to minimize finger obstruction. This dynamic behavior allows the teardrop shape to remain effective for guidance while reducing the blocking effect of the user's finger during manipulation.
Solution Approach 2:
The patent introduces an intermediary mechanism - the automatic repositioning system - that mediates between the user's finger manipulation and the UI object's visibility. This intermediary function allows the UI object to respond to finger input while automatically adjusting to maintain visibility and reduce obstruction effects.
3Measurement precision
If the UI object is repositioned automatically when within threshold distance from edge or other UI objects, then the accuracy of measurements is improved, but the device complexity increases
Solution Approach 1:
The UI object system performs self-service by automatically detecting its own position relative to the display edge and other UI objects, and autonomously repositioning itself without requiring additional complex control mechanisms. This self-service approach improves measurement accuracy while minimizing added complexity by using the existing touch input system for both user manipulation and automatic repositioning detection.
Data Source
AI summary
A medical imaging device and method includes a touch-sensitive display, a medical image acquisition subsystem, and a processor. The processor is configured to display a first UI object and a second UI object on the touch-sensitive display, where the first UI object includes a first selection point and a first boundary. The processor is configured to adjust a position of the first UI object in response to a touch-based user input and to automatically adjust a position of the first selection point with respect to the first boundary in response to the touch based input when the first UI object is within a threshold distance from one of the second UI object and an edge of the touch-sensitive display.