运用插值算法对图像进行变形，包括邻近插值、双线性插值、三次卷积插值。使用了cximage类对jpeg类型图片的处理。有详细说明文档。-Use of the interpolation algorithm for image deformation, including the neighboring interpolation, bilinear interpolation, cubic convolution. Cximage class jpeg type of picture proces