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» Anisotropic Smoothness Classes: From Finite Element Approxim...
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14 years 11 months ago
Shape from shading with a linear triangular element surface model
We propose to combine a triangular element surface model with a linearized reflectance map to formulate the shape-from-shading problem. The main idea is to approximate a smooth sur...
Kyoung Mu Lee (Seoul National University), C.-C. J...
ICIP
2002
IEEE
14 years 8 months ago
Fitting smooth surfaces to scattered 3D data using piecewise quadratic approximation
The approximation of surfaces to scattered data is an important problem encountered in a variety of scientific applications, such as reverse engineering, computer vision, computer...
Hélio Pedrini, Murilo Vicente Gonçal...
EUROGRAPHICS
2010
Eurographics
14 years 1 months ago
Interactive High-Quality Visualization of Higher-Order Finite Elements
Higher-order finite element methods have emerged as an important discretization scheme for simulation. They are increasingly used in contemporary numerical solvers, generating a ...
Markus Üffinger, Steffen Frey, Thomas Ertl
MICCAI
2009
Springer
14 years 7 months ago
Modeling Respiratory Motion for Cancer Radiation Therapy Based on Patient-Specific 4DCT Data
Prediction of respiratory motion has the potential to substantially improve cancer radiation therapy. A nonlinear finite element (FE) model of respiratory motion during full breath...
Jaesung Eom, Chengyu Shi, Xie George Xu, Suvran...
MICCAI
2007
Springer
14 years 7 months ago
Real-Time Synthesis of Image Slices in Deformed Tissue from Nominal Volume Images
Abstract. This paper presents a fast image synthesis procedure for elastic volumes under deformation. Given the node displacements of a mesh and the 3D image voxel data of an undef...
Orcun Goksel, Septimiu E. Salcudean