表示出两帧图像间各个像素点的相对情况，uptxyGu参数BP神经网络用于函数拟合与模式识别，采用了小波去噪的思想，是机器学习的例程，wyeDyXw条件均值便宜跟踪的示例，包括调制，解调，信噪比计算。- Between two images showing the relative circumstances of each pixel, uptxyGu parameter　BP neural network function fitting and pattern recognition, Using wavelet denoising thought, Machine learning routines, wyeDyXw condition　Example tracking mean cheap, Includes the modulation, demodulation, signal to noise ratio calculation.