Medical Image Magnification Correction via Internal Structure Positioning
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Solution Overview
Problem
Current medical imaging technologies face challenges in accurately determining the magnification factor for internal body structures, leading to approximate measurements due to uncertainty in patient positioning, especially for obese patients and those with sensitive areas, where the use of external landmarks is time-consuming and inconvenient.
Innovation Solution
A method that corrects acquired medical images by determining the position of internal body structures along the image-taking direction, using a positioning device integrated with the medical imager, allowing for precise calculation of the magnification factor and providing accurate images for diagnostic and quantitative measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If external landmarks are used to determine magnification factor, then measurement accuracy is improved, but examination time increases and patient comfort deteriorates
Solution Approach 1:
The patent extracts the magnification determination function from external landmarks and relocates it to internal body structures. By using the known position of internal structures (such as the heart or lungs) along the image-taking direction, the system eliminates the need for external landmarks while maintaining measurement accuracy.
Solution Approach 2:
The patent introduces an intermediary approach by using the position of internal body structures as a mediator to determine magnification. Instead of directly measuring external landmarks, the system uses the known spatial position of internal structures along the beam direction to calculate the magnification factor, thereby avoiding patient discomfort and time consumption associated with external landmarks.
2Measurement precision
If external landmarks are used to determine magnification factor, then measurement accuracy is improved, but patient comfort deteriorates
Solution Approach 1:
The patent removes the harmful element (external landmarks on sensitive body parts) by extracting the magnification determination function and applying it to internal body structures. This eliminates patient discomfort while preserving measurement accuracy.
Solution Approach 2:
The patent uses the position of internal body structures as an intermediary to determine magnification, avoiding direct contact with sensitive areas. The internal structures serve as a mediator that provides accurate magnification factors without causing patient discomfort.
3Measurement precision
If landmarks are used for obese patients, then magnification factor can be determined, but accuracy deteriorates due to distance from internal body part
Solution Approach 1:
The patent extracts the magnification determination function from external landmarks and applies it directly to internal body structures. By using the known position of internal structures along the image-taking direction, the system eliminates the distance error that occurs when landmarks are placed far from the target area in obese patients.
Solution Approach 2:
The patent transitions from using external surface position (2D surface measurement) to internal body structure position along the image-taking direction (1D depth measurement). This dimensional change allows for more accurate magnification factors by directly measuring the position of the internal structure being imaged rather than relying on external landmarks that may be distant from the target area.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables accurate image correction and measurement of internal body structures, reducing the need for external landmarks and improving patient comfort by providing precise magnification factors, especially for obese patients and those with sensitive areas.
Implementation Method 1
a medical imager having a radiation source and a radiation detector spaced from one another along an image-taking direction, and between which the patient is disposed
Data Source
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AI summary
Method for correcting an acquired medical image of a patient showing a representation of an internal body structure, the acquired image having been acquired in a medical imager having a radiation source and a radiation detector spaced from one another along an image-taking direction, and between which the patient is disposed. One obtains, from the acquired image, a corrected image taking into account a position of the internal body structure along the image-taking direction.