A novel watermarking algorithm for digital image based on DCT and SVD is proposed in this paper, which combines both merits of discrete cosine transform (DCT) and singular value decomposition (SVD).

• 摘要结合奇异值分解(SVD)和离散余弦变换(DCT)的特点，提出了一种基于离散余弦变换与奇异值分解的数字图像水印算法。