Medical Scan Co-Registration via Anatomical Landmark Matching
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Solution Overview
Problem
Current medical imaging systems lack efficient methods for synchronizing and analyzing longitudinal medical scans to track anatomical changes over time, which is crucial for accurate diagnosis and monitoring of abnormalities.
Innovation Solution
A medical scan viewing system that includes a network interface and processing system capable of receiving and co-registering multiple medical scans from a medical picture archive system, allowing for synchronous display and automatic segmentation of anatomical landmarks and abnormalities across different scans, using computer vision and machine learning algorithms to identify and track changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual alignment of multiple medical scans is performed, then anatomical landmark correspondence can be established, but the process is time-consuming and labor-intensive
Solution Approach 1:
The system automatically identifies corresponding anatomical landmarks across multiple medical scans by computing feature descriptors and matching them algorithmically, eliminating the need for manual alignment by radiologists while maintaining high precision in landmark correspondence
Solution Approach 2:
The patent replaces the manual mechanical process of landmark identification and alignment with an automated computer vision system that uses feature detection, descriptor computation, and geometric transformation algorithms to achieve precise scan co-registration
2Loss of information
If multiple medical scans are displayed separately, then each scan can be analyzed individually, but longitudinal changes and abnormality progression cannot be effectively tracked
Solution Approach 1:
The system merges multiple medical scans into a synchronized composite view where corresponding anatomical structures and abnormalities are overlaid and co-registered, enabling simultaneous visualization of longitudinal changes while maintaining the ability to analyze individual scans
Solution Approach 2:
The patent adds a temporal dimension to the visualization by displaying scans from different time points in a synchronized manner, allowing radiologists to observe the progression of abnormalities over time as an additional dimension of analysis
3Productivity
If automated segmentation of abnormalities is implemented, then analysis efficiency is improved, but accuracy of abnormality identification may be compromised
Solution Approach 1:
The system incorporates feedback mechanisms where the automated segmentation results are validated against the co-registered anatomical landmarks and can be adjusted based on radiologist input, continuously improving accuracy while maintaining high productivity
Data Source
AI summary
A medical scan viewing system is conFIG.d to: receive a first medical scan and a second medical scan from a medical picture archive system, the first medical scan associated with a unique patient ID and a first scan date and the second medical scan associated with the unique patient ID and a second scan date; identify locations of anatomical landmarks in the first medical scan; identifying corresponding locations of the anatomical landmarks in the second medical scan; co-register the first medical scan with the second medical scan based on the locations of the anatomical landmarks in the first medical scan with the corresponding locations of the anatomical landmarks in the second medical scan; and present for display, via an interactive user interface, the first medical scan with the second medical scan, wherein the first medical scan and the second medical scan are synchronously presented, based on the co-registering.