B-Spline Theory

Fundamental research on B-spline basis functions, knot vectors, and the De Boor algorithm. We explore local support properties, smoothness conditions, and efficient evaluation methods.

Basis FunctionsKnot VectorsDe Boor AlgorithmLocal Control

NURBS Modeling

Non-Uniform Rational B-splines provide flexibility in representing conic sections and free-form curves. Our research covers weight optimization, curve/surface construction, and industrial applications.

Weight ControlRational CurvesSurface ModelingCAD/CAM

Subdivision Surfaces

Study of subdivision algorithms including Catmull-Clark and Doo-Sabin methods. We investigate convergence properties, smoothness analysis, and practical implementation techniques.

Catmull-ClarkDoo-SabinLimit SurfacesMesh Refinement

Isogeometric Analysis

Bridging CAD and CAE through NURBS-based finite element methods. Our work enables seamless integration of geometric design and numerical simulation.

FEMCAD/CAE IntegrationPDE SolutionsShape Optimization

Curve & Surface Fitting

Developing algorithms for approximating scattered data with smooth spline curves and surfaces. We focus on least-squares methods and parameter optimization.

Least SquaresData ApproximationParameter OptimizationReconstruction

Spline Applications

Applying spline theory to real-world problems in CNC machining, 3D printing, automotive design, computer graphics, and animation.

CNC Machining3D PrintingAutomotive DesignComputer Graphics