Zhao Yuehua
ABSTRACT
This paper provides a digital watermark algorithm based on block classifying picture. Through the experience, the algorithm shows better robust than others. The watermarked picture has stronger resistance to image operating.
- Cox I Joe Kiliant, Tom Leighton, Talal Shamoon. Secure Spread Spectrum Watermarking for Multimedia. Proc. IEEE Trans On Image Processing, 1997 Google Scholar
Digital Library
- Pan Gang. An dual_image Watermark Algorithm based on 2D DCT. Journal of Engineering Graphics(P. R. China), 2000 Vol. 3Google Scholar
Index Terms
- An image watermark algorithm based on discrete cosine transform block classifying
Recommendations
A robust DCT-2DLDA watermark for color images
A blind watermarking algorithm is proposed, which is based on the Discrete Cosine Transform (DCT) method. It uses Two-Dimensional Linear Discriminant Analysis (2DLDA) watermark scheme for copyright protection. During the embedding process, the color ...
Fast Algorithm for Arbitrary Length Discrete Cosine Transform
ICNC '09: Proceedings of the 2009 Fifth International Conference on Natural Computation - Volume 02Based on discrete Hartley transform algorithm, the proposed fast algorithm is implemented by the parallel Hopfield neural network which can shorten the computation length of discrete cosine transform to achieve high computation speed. The computation ...
Computational Holographic Image Watermarking Algorithm Based on Discrete Cosine Transform
ICIT '19: Proceedings of the 2019 7th International Conference on Information Technology: IoT and Smart CityIn order to improve the robustness and invisibility of watermark, a grayscale computing holographic image watermarking algorithm based on discrete cosine transform has been proposed. First, the watermark image is calculated to generate a hologram to ...
Comments