Keywords Reverse engineering;Wavelet;Sectional curve;Triangular mesh;Data Preprocess;Noise filtering;Region segmentation;Geometry image;Image segmentation;Surface fairing;Curve fairing;

• 反求工程;小波;截面曲线;三角网格;数据预处理;噪声去除;区域分割;几何图像;图像分割;曲面光顺;曲线光顺;