可以无误地实现曲线调整，曲线调整算法可以选择，对研究photoshop或光影魔术手的曲线调整功能有很大的帮助！-Curves can be adjusted to achieve correct the curve adjustment algorithm to choose from, the study of light and shadow magic photoshop or hand curve adjustment feat

在excel中加载后可以方便的进行多项式插值计算-spline interpolation