代码里有很完整的注释和解释，基于分段非线性权重值的Pso算法，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Code, there are very complete notes and explanations Based on piecewise nonlinear weight value Pso algorithm, Including the final calculation of the compressed image peak signal to noise ratio and compression of the source.