提出了一种新的混沌序列扩频水印算法。
A new chaos-based spread spectrum watermarking algorithm is developed in the wavelet domain for still images.
本文基于三维离散余弦变换（3D-DCT）技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
实验表明，该算法有效降低了检测错误的概率，显著地提高了扩频水印的抗攻击能力。
Experimental results demonstrate that the proposed algorithm is more tamper resistant than general spread spectrum watermark algorithm and the false detection rate is decreased considerably.
应用推荐