Abstract: According to radical basis function combined with implicit polynomials，a new implicit surface reconstruction algorithm for holding features is presented.The use of compactly supported elements generates a sparse solution space，reducing the computational complexity and making the technique practical for large models.Through a simple adjustment to obtain the number of supported domain points，the reconstruction results can hold the original characteristics.Experimental results show that the algorithm can maintain the characteristics of the original model.

摘要： 结合径向基函数和隐式曲面构造原理，提出了一种保特征的隐式曲面重建算法。应用紧支撑单元产生稀疏的矩阵，降低了计算复杂度，可重建大规模的点云数据。通过几次简单调整支撑域内点的个数，获得保持原特征的重建效果。实验结果证明，算法可以保持原模型的特征。