Grand Roman Joldes,Adam Wittek,Karol Miller
Grand Roman Joldes
To obtain a very fast solution for finite element models used in surgical simulations low order elements such as the linear tetrahedron or the linear under-integrated hexahedron must be used. Automatic hexahedral mesh generation for complex...
An integrated solution and analysis of bioluminescence tomography and diffuse optical tomography [0.03%]
光发光断层扫描和扩散光学断层扫描的集成解决方案及分析方法研究
Weimin Han,Wenxiang Cong,Kamran Kazmi et al.
Weimin Han et al.
While diffuse optical tomography (DOT) has been studied for years, bioluminescence tomography (BLT) is emerging as a promising optical molecular imaging tool. These two modalities have different goals. DOT is for reconstruction of optical p...
Duan Chen,Guo-Wei Wei,Wen-Xiang Cong et al.
Duan Chen et al.
A new computational technique, the matched interface and boundary (MIB) method, is presented to model the photon propagation in biological tissue for the optical molecular imaging. Optical properties have significant differences in differen...
Near infrared optical tomography using NIRFAST: Algorithm for numerical model and image reconstruction [0.03%]
基于NIRFAST的近红外光学断层成像正逆问题算法及实现
Hamid Dehghani,Matthew E Eames,Phaneendra K Yalavarthy et al.
Hamid Dehghani et al.
Diffuse optical tomography, also known as near infrared tomography, has been under investigation, for non-invasive functional imaging of tissue, specifically for the detection and characterization of breast cancer or other soft tissue lesio...
Interior SPECT- Exact and Stable ROI Reconstruction from Uniformly Attenuated Local Projections [0.03%]
基于均匀吸收的局部投影精确而稳定的ROI层析重构算法研究(SPECT)
Hengyong Yu,Jiansheng Yang,Ming Jiang et al.
Hengyong Yu et al.
Single photon emission computed tomography (SPECT) is an important biomedical imaging modality. However, since gamma cameras are expensive and bulky, truncated projection data are either preferred or unavoidable. Inspired by the recent resu...
A Parallel Adaptive Finite Element Method for the Simulation of Photon Migration with the Radiative-Transfer-Based Model [0.03%]
基于辐射传输模型的光子迁移并行自适应有限元模拟方法研究
Yujie Lu,Arion F Chatziioannou
Yujie Lu
Whole-body optical molecular imaging of mouse models in preclinical research is rapidly developing in recent years. In this context, it is essential and necessary to develop novel simulation methods of light propagation for optical imaging,...
Surface Smoothing and Quality Improvement of Quadrilateral/Hexahedral Meshes with Geometric Flow [0.03%]
几何流四边形/六面体网格表面 smoothing 及质量改进方法研究
Yongjie Zhang,Chandrajit Bajaj,Guoliang Xu
Yongjie Zhang
This paper describes an approach to smooth the surface and improve the quality of quadrilateral/hexahedral meshes with feature preserved using geometric flow. For quadrilateral surface meshes, the surface diffusion flow is selected to remov...