In the direction of this scheme, a watermark algorithm is proposed which can resist the JPEG lossy compressing and images uniting question.The test results prove its both characters.

• 在该方案的指导下,提出了一种抗JPEG压缩和图像合并的水印算法,通过试验,证明该算法具有很强的抗压缩性和抗合并性。