CT Image Inference Display for Material Decomposition Analysis
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Solution Overview
Problem
Existing X-ray computed tomography (CT) systems with photon counting CT functions face variability in inference results depending on whether the inference task is performed on material decomposition image data or CT image data, necessitating appropriate display of these results.
Innovation Solution
The system includes separate inference units for material decomposition and CT image data, along with a display control unit to selectively display the inference results of both, allowing for appropriate presentation of material decomposition and CT image data inferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If inference tasks are performed on both material decomposition image data and CT image data, then the comprehensiveness of diagnostic information is improved, but the complexity of the system increases due to multiple inference units and display control mechanisms
Solution Approach 1:
The system divides the inference process into separate specialized units: a first inference unit for material decomposition image data and a second inference unit for CT image data. This segmentation allows each unit to be optimized for its specific data type while maintaining overall system comprehensiveness, resolving the contradiction between information completeness and system complexity.
Solution Approach 2:
A display control unit acts as an intermediary between the multiple inference units and the display device. This mediator manages the complex output from both inference units, coordinating their results and controlling their presentation, thereby handling system complexity centrally rather than distributing it throughout the entire system.
2Measurement precision
If separate inference units are used for material decomposition and CT image data, then the precision of inference results is improved, but the device complexity increases due to multiple processing units
Solution Approach 1:
Each inference unit is specialized for its specific data type: the first inference unit is optimized for material decomposition image data while the second is optimized for CT image data. This local optimization allows each unit to achieve high precision for its designated task without requiring the entire system to be optimized for all tasks simultaneously, thus improving precision while managing complexity through specialization.
3Loss of information
If multiple inference results are displayed simultaneously, then the interpretability of diagnostic information is improved, but the ease of operation decreases due to increased display management complexity
Solution Approach 1:
The display control unit serves as an intermediary that manages the presentation of multiple inference results. It coordinates the display of results from both inference units, controlling their presentation in a manner that maintains interpretability while abstracting away the complexity of managing multiple data streams, thus preserving information quality while improving operational ease.
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
Enables accurate and differentiated display of inference results on material decomposition and CT image data, enhancing the interpretability and reliability of X-ray CT systems.
Implementation Method 1
an X-ray tube configured to radiate X-rays; a detector configured to detect X-rays radiated by the X-ray tube and passed through a subject
Data Source
AI summary
An X-ray computed tomography (CT) apparatus includes an X-ray tube configured to radiate X-rays; a detector configured to detect X-rays radiated by the X-ray tube and passed through a subject; a reconstruction processing unit configured to reconstruct imaging data output by the detector and generate CT image data and material decomposition image data; a first inference unit configured to perform inference on the material decomposition image data; a second inference unit configured to perform inference on the CT image data; and a display control unit configured to cause a display unit to display at least one of an inference result of the first inference unit and an inference result of the second inference unit.