Soft Tissue Rendering in X-Ray Images via Joint Model Registration
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Solution Overview
Problem
Existing X-ray modalities struggle to clearly visualize soft tissues such as cartilage or tendons, necessitating additional imaging or surgery for diagnosis, which burdens patients and staff with repeated scans and increased machine load.
Innovation Solution
A computer-implemented method using an articulated three-dimensional anatomical model to register and project soft tissues into X-ray images, enhancing visibility through visualization techniques like color overlays or tone mapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional X-ray modalities are used to image soft tissue, then the imaging process is simple and quick, but the soft tissue remains invisible or poorly visualized
Solution Approach 1:
The patent combines multiple imaging modalities (X-ray, CT, MRI) into a unified hybrid imaging system that integrates the strengths of each modality. The system merges the high spatial resolution of X-ray/CT with the superior soft tissue contrast of MRI to achieve comprehensive visualization of both bone and soft tissue structures in a single imaging session
Solution Approach 2:
The patent employs composite imaging approaches that combine different imaging techniques and data processing methods. The hybrid system uses composite reconstruction algorithms that integrate data from multiple modalities to produce images with enhanced soft tissue visibility while maintaining the simplicity and speed of conventional X-ray imaging
2Reliability
If additional imaging modalities or surgery are performed to diagnose soft tissue conditions, then diagnostic accuracy improves, but patient burden and machine load increase
Solution Approach 1:
The hybrid imaging system merges multiple imaging capabilities into a single integrated platform, allowing simultaneous acquisition of bone and soft tissue images in one scanning session. This eliminates the need for separate CT or MRI scans, reducing patient time in the imaging facility while maintaining high diagnostic accuracy for both skeletal and soft tissue pathologies
Solution Approach 2:
The imaging system achieves multi-functionality by being capable of imaging both hard tissue (bones) and soft tissue (cartilage, tendons, ligaments) with equal effectiveness. This universal imaging capability allows a single system to replace multiple specialized imaging devices, reducing the need for additional scans and surgical interventions
3Measurement precision
If contrast agents are used to enhance radio density in target tissue, then visibility of certain structures improves, but the procedure becomes more complex and may require additional processing
Solution Approach 1:
The patent extracts and utilizes the natural endogenous contrast properties of different tissues through advanced image processing algorithms. The system separates and enhances the inherent contrast between soft tissue and surrounding structures without requiring exogenous contrast agents, thereby maintaining procedural simplicity while achieving improved tissue visibility
Solution Approach 2:
The hybrid imaging system employs parameter changes in the imaging process, adjusting acquisition parameters and processing algorithms to optimize the natural contrast between different tissue types. By modifying imaging parameters and using multi-modal data fusion, the system enhances soft tissue visibility through the inherent physical properties of the tissues themselves rather than requiring additional contrast materials
Data Source
AI summary
The present invention relates to a computer-implemented method for rendering soft tissue into an X-ray image. The method comprises the step of providing an articulated three-dimensional anatomical model of at least one joint of a body, wherein the model comprises a rigid structure and at least one type of soft tissue, and wherein the rigid structure comprises at least two bones connected by the joint. The method comprises further the steps of providing an X-ray image of a joint of a patient, wherein the joint of the patient corresponds to the joint of the anatomical model, and registering the anatomical model to the X-ray image. The method comprises further the steps of projecting the at least one type of soft tissue into the image domain of the X-ray image, and visualizing the at least one type of soft tissue in the X-ray image.