包括最后计算压缩图像的峰值信噪比和压缩效果的源码,意信号卷积的运算,并且绘制图象，采用的是脉冲对消法。- Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Convolution operation is intended to signal and image rendering, It uses a pulse of consumer law.