Polynomial splines over hierarchical T-meshes

  title={Polynomial splines over hierarchical T-meshes},
  author={Jiansong Deng and Falai Chen and Xin Li and Changqi Hu and Weihua Tong and Zhouwang Yang and Yu-Yu Feng},
  journal={Graphical Models},
In this paper, we introduce a new type of splines — polynomial splines over hierarchical T-meshes (called PHT-splines) to model geometric objects. PHT-splines are a generalization of B-splines over hierarchical T-meshes. We present the detailed construction process of spline basis functions over T-meshes which satisfy some good properties with B-splines, such as nonnegativity, local support and partition of unity. As two fundamental operations, cross insertion and cross removal of PHT-splines… CONTINUE READING
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