图像处理，LSB最低有效位替换的算法程序，是隐写术简明易懂的一种，新手必备，精简完整，另外还附加一种不太成熟的matching算法程序，仅作参考。-Image processing, LSB LSB replacement algorithm procedure is steganography straightforward one, newcomers must streamline complete, also attach a less sophisticated matching algorithm for reference only.