Automatic Slice Position Calculation in MRI Using Scout Image Processing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current medical imaging techniques, such as MRI, face challenges in efficiently and automatically setting slice positions, leading to prolonged examination times and operator fatigue due to manual operation and the need for repeated scout scans, especially when imaging different or the same slice positions repeatedly.
Innovation Solution
A medical imaging apparatus that performs a two-dimensional scout scan and uses algorithms and image processing to automatically calculate a recommended slice position, extracting anatomical features from multiple image planes to determine the optimal slice position without changing the conventional examination flow or prolonging the examination time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation is used to set slice position through user interface, then operator can control slice position according to examination region, but operator workload increases and operability deteriorates due to repeated monotonous operations
Solution Approach 1:
The system performs self-service by automatically calculating recommended slice positions using image recognition algorithms. The computer automatically processes scout images to determine optimal slice positions without requiring operator intervention, thereby reducing operator workload while maintaining ease of operation through automatic functionality
Solution Approach 2:
The manual mechanical operation of setting slice positions through user interface is replaced by an automated computer-based image recognition system. The system substitutes human manual adjustment with algorithmic processing that automatically determines slice positions based on anatomical feature recognition
2Extent of automation
If three-dimensional volume data is measured as scout image for automatic positioning, then automatic slice position calculation becomes possible, but examination time is prolonged due to longer scout scan and processing time
Solution Approach 1:
The system extracts only the necessary two-dimensional scout images required for slice position setting, rather than acquiring comprehensive three-dimensional volume data. By taking out only the essential 2D images needed for automatic positioning, the system achieves automatic slice position calculation while minimizing examination time
Solution Approach 2:
Instead of performing complete three-dimensional volume measurement, the system performs partial action by acquiring only the specific two-dimensional scout images needed for automatic slice position determination. This partial acquisition is sufficient for the intended purpose and avoids the time penalty of full volumetric scanning
Data Source
AI summary
There is provided a technique for, in a medical imaging apparatus enabling imaging of an arbitrary plane in a three-dimensional space, enabling automatic calculation of a slice position and automatic calculation of an extracting slice in MPR, without prolonging examination time. Two-dimensional scout scan similar to that used for manual setting of a slice position is performed, and the obtained scout images are processed to calculate a recommended slice position. Algorithms for the processing and various image processing procedures used for the processing are stored beforehand for every type of imaging region and every type of examination.