Medical Imaging System Using 3D Rendering and Color Transfer Functions
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Solution Overview
Problem
Current medical imaging technologies rely on two-dimensional slicing data, limiting the ability to visualize internal lesions and distinguish between external lesions and organs, resulting in unclear boundaries and poor diagnostic assistance.
Innovation Solution
A medical imaging system and method utilizing three-dimensional, dynamic real-time rendering with virtual reality interaction, which includes a local medical imaging device with a parsing module and storage, a server, and a terminal device with a user interface, enabling the generation and display of clear three-dimensional images by parsing DICOM files and adjusting transfer function models for enhanced visualization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If two-dimensional slicing data is used for medical imaging, then the imaging system is simple and easy to operate, but the ability to visualize internal lesions and distinguish between external lesions and organs is limited
Solution Approach 1:
The patent transforms two-dimensional medical imaging data into three-dimensional visual representations. The system parses DICOM files and generates 3D models of organs and lesions, allowing doctors to view internal structures from multiple angles and depths, thereby significantly improving lesion visualization accuracy while managing system complexity through modular architecture
2Measurement precision
If surface rendering technology is used to display three-dimensional images, then the external lesion visualization is improved, but the internal lesion identification and organ fusion distinction cannot be achieved
Solution Approach 1:
The patent employs color-coded transfer functions to differentiate between various tissue types, organs, and lesions in 3D space. Different grayscale ranges are mapped to distinct colors, allowing simultaneous visualization of internal and external structures with clear differentiation. This color-based encoding enables internal lesion identification and organ fusion distinction while maintaining manageable system complexity
Solution Approach 2:
The system implements dynamic 3D rendering that allows interactive exploration of internal structures. Doctors can rotate, zoom, and section through 3D models to examine internal lesions from multiple perspectives. The dynamic nature of the rendering enables depth perception and internal structure visualization that static surface rendering cannot provide
3Measurement precision
If three-dimensional editing and rendering is implemented, then the spatial visualization is improved, but the image frames are low in number causing dizziness and lacking intuitive real internal structure
Solution Approach 1:
The patent implements continuous 360-degree rotation capability for 3D medical images, allowing doctors to smoothly explore structures from any angle without interruption. The system maintains continuous frame generation during rotation and zoom operations, preventing dizziness by ensuring smooth transitions. This continuous rendering approach provides intuitive real internal structure visualization while maintaining user comfort
4Measurement precision
If local medical imaging device with reverse rendering editor is used, then the transfer function optimization is improved, but the system complexity and data processing time increase
Solution Approach 1:
The patent implements a reverse rendering editor that pre-optimizes transfer functions based on the specific characteristics of medical imaging data. By performing transfer function optimization in advance and storing optimized parameters, the system achieves high accuracy rendering without requiring extensive real-time computation during actual medical imaging operations, thus balancing accuracy with processing speed
Data Source
AI summary
Disclosed in the present invention are a medical imaging system and method based on virtual reality technique and capable of carrying out interactive and three-dimensional dynamic real-time rendering. The medical imaging system, including a local medical imaging device, a server and a terminal medical imaging device, can realize dynamic real time rendering, and realize more real, steric and intuitive the imaging effect. Based on the system and method, the doctor can realize positioning zoom, rotation, “entering”, moving up and down, change in color and transparency in a particular area and the like of three-dimensional imaging to realize the interactive display of three-dimensional image.