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Published on: October 13, 2023
Real-time non-uniform surface refinement model for lung adenocarcinoma surgery
Xiaorui Zhang1,2,3,4, Zhaoming Wang5,6, Wei Sun7,8,6
1Engineering Research Center of Digital Forensics, Jiangsu Engineering Center of Network Monitoring, School of Computer and Software, Ministry of Education, Nanjing University of Information Science & Technology, Nanjing, 210044, China. zxr365@126.com.
This study introduces a real-time non-uniform surface refinement model (RNSM) for virtual lung adenocarcinoma surgery. The RNSM enhances computational efficiency and realism in simulating inhomogeneous soft tissues.
Area of Science:
- Computational biology
- Medical simulation
- Surgical technology
Background:
- Existing virtual lung models struggle with inhomogeneous soft tissues, leading to computational complexity and reduced realism.
- Uniform meshing and global refinement limit accuracy in current virtual surgery simulations.
Purpose of the Study:
- To propose a real-time non-uniform surface refinement model (RNSM) for improved lung adenocarcinoma surgery simulation.
- To enhance the accuracy and computational efficiency of virtual soft tissue modeling.
Main Methods:
- Tetrahedra subdivision based on density for describing inhomogeneous soft tissues.
- Loop subdivision method for refining the model surface.
- Hybrid simulation approach combining linear attenuation for weak deformation and FEM for strong deformation regions.
Main Results:
- The RNSM significantly reduces model complexity while maintaining accuracy.
- Improved realism and accuracy in simulating lung adenocarcinoma surgery.
- Demonstrated real-time deformation enhancement through an optimal algorithm.
Conclusions:
- The proposed RNSM offers a more accurate and faster alternative to existing soft tissue models for lung surgery simulation.
- Non-uniform refinement is key to balancing complexity and realism in virtual surgical environments.
- The hybrid simulation method effectively captures varying deformation characteristics of lung tissues.
