Tomosynthesis Controller On-Demand Image Reconstruction
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Solution Overview
Problem
Current tomosynthesis systems require tightly controlled acquisition parameters and lack real-time guidance for operators to adjust these parameters, leading to time-consuming image reconstruction processes and delayed verification of image quality, necessitating the reconstruction of entire image stacks before adjustments can be made.
Innovation Solution
A system and method that includes a radiation source, detector, and controller for on-demand reconstruction of images within an image stack, allowing operators to view and adjust selectively defined markers and reconstruction parameters in real-time, enabling verification and adjustment before completing the image stack reconstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional tomosynthesis systems reconstruct the entire image stack before allowing operator review, then complete image data is available for diagnosis, but the scanning time is extended and operator efficiency is reduced
Solution Approach 1:
The patent divides the image stack into multiple individual images that can be reconstructed and reviewed separately. The controller enables operators to reconstruct and view specific images within the stack independently, allowing verification of image quality without waiting for complete stack reconstruction. This segmentation approach resolves the contradiction by providing timely quality assessment while maintaining the option to reconstruct the full stack if needed.
2Adaptability or versatility
If tomosynthesis systems provide real-time parameter adjustment capability, then operator flexibility and image quality optimization are improved, but system complexity increases
Solution Approach 1:
The patent implements preliminary action by providing default reconstruction parameters automatically configured by the system. These default parameters are pre-set based on typical imaging requirements, allowing operators to begin reconstruction immediately without complex manual configuration. The system maintains adaptability by allowing parameter adjustment when needed, while the preliminary default setup reduces the complexity burden for routine operations.
3Reliability
If tight control of acquisition parameters is maintained in traditional systems, then artifact reduction is achieved, but operator guidance and parameter optimization are limited
Solution Approach 1:
The patent implements feedback by allowing operators to review reconstructed images and assess image quality in real-time. Based on this visual feedback, operators can adjust acquisition parameters and reconstruct additional images with modified settings. This closed-loop feedback mechanism maintains reliability through artifact monitoring while significantly improving ease of operation, as operators can make informed parameter adjustments based on actual image quality rather than relying solely on preset constraints.
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 reduces the time required for scanning procedures by allowing operators to verify and adjust parameters in real-time, improving the efficiency of image acquisition and reducing the risk of imaging errors through on-demand image reconstruction.
Implementation Method 1
The radiation source is operative to transmit electromagnetic rays through the subject
Data Source
AI summary
A system for imaging a subject is provided. The system includes a radiation source, a radiation detector, and a controller. The radiation source is operative to transmit electromagnetic rays through the subject. The radiation detector is operative to receive the electromagnetic rays after having passed through the subject so as to generate a plurality of projections of the subject. The controller is operative to display one or more selectively adjustable markers that define an image stack. The controller is further operative to reconstruct one or more images within the image stack based at least in part on the plurality of projections. Reconstruction of the one or more images is on demand.