利用图像原像素，构造coon曲面，实现图像的放大，实验结果比双三次插值要好-image processing

在Visual Studio 环境下，用C#作为开发语言，opengl作为显示工具。采用三次样条作为插值方法，绘制有限个点构成的光滑曲面。-In Visual Studio environment, using C# as development language, opengl as the display tool. Using cubic spline as the interpolation method, a finite number of dots to draw a smooth