水印要求完全不被修改，完全脆弱水印一般是从空域LSB算法演变而来。-Watermark demands nothing to modify, the fragile watermark is completely general LSB algorithm has evolved the airspace。

Demo to watermark an image by hiding another image in a certain bit plane. Sometimes called LSB Watermarking or something similar. User is asked which bit plane they want to hide the image in. By Image Analyst.-Demo to watermark an image by hidin

LSB, DWT steganography, souce code