A semi-fragile digital image watermarking algorithm
Chuntian Zhang · Journal of China Institute of Communications · 2003
With the rapid growth of network, the authentication for digital information has attracted much scientific and commercial attention. A novel semi-fragile digital image watermarking algorithm, which is based on JPEG lossy compression, is proposed in this paper. Simulation experiments prove that it will not degrade the objective and subjective quality of original images, and robustness is showed to JPEG lossy compression. The scheme can be used to the detection of manipulation and image content authentication verification.