Dynamic Input Device Control for Medical Image Region of Interest
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Solution Overview
Problem
Current medical device input methods, such as using trackballs, are inefficient and time-consuming for locating regions of interest in scanned images, often leading to missed regions due to fixed control modes and constant sensitivity settings during playback.
Innovation Solution
An input device control method and apparatus that determine a region of interest from image frames using neural networks and adjust input device actions and states dynamically based on the region's position and medically relevant parameters, reducing movement speed and increasing sensitivity when near the region of interest, and invalidating or limiting input when the region is located.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fixed control modes and constant sensitivity settings are used during playback, then the input device operation is simple, but the time spent viewing scanned videos increases and regions of interest may be missed
Solution Approach 1:
The patent implements dynamic control modes that automatically adjust based on the cursor's proximity to regions of interest. When the cursor approaches a region of interest, the system transitions from a first control mode (with first sensitivity) to a second control mode (with second sensitivity), enabling adaptive adjustment of input device behavior during playback to reduce viewing time while maintaining ease of operation
Solution Approach 2:
The system continuously monitors the cursor position relative to regions of interest and provides feedback by adjusting the control mode and sensitivity settings. This feedback mechanism allows the input device to automatically adapt its behavior based on real-time spatial relationships, reducing the time needed to locate and examine regions of interest
2Device complexity
If fixed control modes and constant sensitivity settings are used during playback, then the device complexity is low, but the precision and accuracy of locating regions of interest decreases
Solution Approach 1:
The patent employs dynamic control modes that automatically adjust sensitivity based on spatial context. When the cursor is near a region of interest, the system switches to a second control mode with second sensitivity settings, providing enhanced precision for locating and examining regions of interest without requiring complex manual configuration
Solution Approach 2:
The system automatically determines when to switch between control modes based on the cursor's proximity to regions of interest, eliminating the need for manual intervention. The input device self-adjusts its sensitivity and control characteristics to optimize precision for locating regions of interest while maintaining manageable device complexity
3Measurement precision
If dynamic control modes are implemented based on region of interest position, then the precision and accuracy of locating regions of interest increases, but the device complexity increases
Solution Approach 1:
The patent implements dynamic control modes that automatically adjust sensitivity based on the cursor's proximity to regions of interest. The system monitors spatial relationships and transitions between first and second control modes with different sensitivity settings, enhancing precision for locating regions of interest through automated adaptive control rather than complex manual configuration
Solution Approach 2:
The system dynamically changes the sensitivity parameter of the input device based on the cursor's position relative to regions of interest. By automatically adjusting this key parameter according to spatial context, the system achieves high precision for locating regions of interest while keeping the control system relatively simple through rule-based parameter adaptation
Data Source
AI summary
Provided in the present application are a medical device, including an input device, and a method for controlling the input device. The method includes acquiring one or more image frames with the medical device and determining a region of interest from the one or more image frames. The method includes adjusting at least one of an input action of the input device or a state of the input device according to a position of the region of interest.