Target Scanning Phase Determination for Medical Imaging
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current medical imaging technologies face challenges in determining the optimal scanning phase for regions of interest (ROI) undergoing physiological motion, leading to reduced scanning accuracy and increased imaging doses due to the use of rough ranges for target scanning phases, which results in low-quality image data and inefficient image reconstruction.
Innovation Solution
A system and method that involve performing a pre-scan to obtain a plurality of images and physiological motion data, allowing for the determination of a target scanning phase based on feature elements and motion data, thereby narrowing the scanning phase and reducing imaging doses, and enabling direct image reconstruction based on the determined phase.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rough range is used for target scanning phase, then the scanning process is simpler, but the scanning accuracy is reduced and image quality deteriorates
Solution Approach 1:
The patent applies preliminary action by performing a pre-scan operation before the actual target scan. The pre-scan acquires a plurality of images at different phases to determine the optimal target scanning phase in advance. This preliminary phase determination allows the subsequent target scan to be performed with high precision at the identified optimal phase, resolving the contradiction between operational simplicity and scanning accuracy.
2Productivity
If a rough range is used for target scanning phase, then the scanning process is faster, but imaging doses increase and image quality decreases
Solution Approach 1:
The pre-scan operation performs preliminary phase determination by acquiring multiple images at different phases and identifying the optimal phase where the ROI is in a relatively static motion state. This preliminary action enables the target scan to be performed precisely at the optimal phase, avoiding unnecessary scanning at suboptimal phases and thereby reducing the total imaging dose while maintaining high productivity.
Solution Approach 2:
The patent changes the scanning parameter (scanning phase) based on the determined optimal phase from the pre-scan. By adjusting the scanning phase parameter to match the optimal phase identified through image analysis and motion state assessment, the system achieves efficient scanning with reduced imaging doses while maintaining high image quality.
3Device complexity
If a rough range is used for target scanning phase, then the scanning process is less complex, but image reconstruction efficiency is reduced
Solution Approach 1:
The pre-scan operation performs preliminary determination of the target scanning phase by analyzing multiple images and identifying the phase with the most stable ROI motion state. This preliminary phase identification simplifies the subsequent image reconstruction process by providing a predetermined optimal phase, eliminating the need for complex post-processing phase selection and thereby improving image reconstruction efficiency without increasing overall process complexity.
Data Source
AI summary
Systems and methods for scanning a region of interest (ROI) of a subject are provided. The ROI may undergo a physiological motion. The systems may obtain a reference image of the ROI to be scanned by a target scan. The systems may determine a scanning region based on the reference image. The systems may obtain a plurality of images of the scanning region by performing a pre-scan on the scanning region. The systems may determine, based on the plurality of images of the scanning region, a target scanning phase of the ROI for performing the target scan.