图像缩放是本人参与过的一个项目。本人利用常用的图像缩放算法（如最近邻插值法，双线性插值算法，三次插值算法，B-样条插值等）对图像进行缩放并分析各个算法的优缺点（本文有相应的算法源程序代码）。最后在对算法进行改进。-Image scaling is a project I worked on. I use common image scaling algorithms (such as nearest neighbor interpolation, bilinear interpolation algorithm, cubic interpolation algorithm, B-spline interpolation, etc.) for image scaling and analyze the advantages and disadvantages of each algorithm (corresponding algorithm source code in this article code). Finally, improvements in the algorithm.