一种较新的非线性反锐化掩模的方法用于图像增强，在传统的反锐化掩模的基础上，通过改变增强的系数，从而得到较好的结果。-A relatively new method of nonlinear unsharp mask for image enhancement, on the basis of the traditional Unsharp Masking, by changing the enhanced coefficients, to get a better result.