基于孙根年教授的本地趋势线，对回归分析的非线性拟合-Based on the local trend line, the regression analysis of nonlinear fitting

局部小曲面拟合的VB2010源码。适用于飞机等大型曲面局部制孔的法线分析。-Local small surface fitting VB2010 source. Local surface normals for large aircraft such as hole-analysis.

演示验证线性相关算法，主要用于离散点的局部极小值提取（基于多种阈值选取）。还包括最小二乘拟合，三次样条插值等内容。-Demonstration Verification Linear correlation algorithm is mainly used for local minimum extraction of discrete points (based on a variety of threshold selection). Including least squares fitt

压缩感知恢复算法，使用新的范数来提升图像恢复能力，包含论文和代码。-We propose a compressive sensing algorithm that exploits geometric properties of images to recover images of high quality few measurements. The image reconstruction is done by iterating the two following steps: 1) e