说明： 实现了图像的加水印，去噪，加噪声等功能，粒子图像分割及匹配均为自行编制的子例程，利用matlab写成的窄带噪声发生。 ( Realize image watermarking, de-noising, plus noise and other functions, Particle image segmentation and matching subroutines themselves are prepared, Using matlab written narrowband noise occurs.)
